WO2022208130A1 - Dispositif optique dispersif, système optique dispersif le comprenant et son utilisation notamment pour la récupération d'énergie solaire - Google Patents

Dispositif optique dispersif, système optique dispersif le comprenant et son utilisation notamment pour la récupération d'énergie solaire Download PDF

Info

Publication number
WO2022208130A1
WO2022208130A1 PCT/IB2021/052631 IB2021052631W WO2022208130A1 WO 2022208130 A1 WO2022208130 A1 WO 2022208130A1 IB 2021052631 W IB2021052631 W IB 2021052631W WO 2022208130 A1 WO2022208130 A1 WO 2022208130A1
Authority
WO
WIPO (PCT)
Prior art keywords
dispersive optical
solar energy
energy harvesting
dispersive
optical system
Prior art date
Application number
PCT/IB2021/052631
Other languages
English (en)
Inventor
Mathieu Rubi
Sebastián Alagón Carrillo
Chin Lee ONG
Dmitrii UNUCHEK
Yuhang Liu
Original Assignee
Freshape Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Freshape Sa filed Critical Freshape Sa
Priority to CN202180096373.1A priority Critical patent/CN117063097A/zh
Priority to PCT/IB2021/052631 priority patent/WO2022208130A1/fr
Publication of WO2022208130A1 publication Critical patent/WO2022208130A1/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/10—Prisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
    • F24S23/31—Arrangements for concentrating solar-rays for solar heat collectors with lenses having discontinuous faces, e.g. Fresnel lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0038—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light
    • G02B19/0042—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light for use with direct solar radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/12—Beam splitting or combining systems operating by refraction only
    • G02B27/126—The splitting element being a prism or prismatic array, including systems based on total internal reflection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/043—Mechanically stacked PV cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0543—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the refractive type, e.g. lenses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0549—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising spectrum splitting means, e.g. dichroic mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens

Definitions

  • the present invention generally relates to dispersive optical devices and systems, and use thereof especially for solar energy harvesting.
  • Dispersive optical devices and systems are known as such in the art.
  • Figures 1 to 4 illustrate various examples of such known devices and systems as used in the context of solar energy harvesting.
  • FIG 1 schematically illustrates a dispersive optical system 1000 as disclosed in “Single element spectral splitting solar concentrator for multiple cells CPV system ”, Marco Stefancich et al. , The Optical Society (OSA), Optics Express, Volume 20, Issue 8, pp. 9004-9018, April 9, 2012 (https://doi.ora/10.1384/OE.20.009004).
  • This dispersive optical system 1000 provides dispersion as well as concentration of incoming light L using a curved optical structure 1100 including multiple prismatic elements configured and designed to split as well as concentrate light of different wavelength bands onto specific points, e.g. onto different cells or sub-cells of a photovoltaic stage 1500 positioned at a given focal length Z.
  • Each prismatic element acts as a dispersing prism splitting the incoming light L into a corresponding spectrum, the geometry of each prismatic element and the curvature of the optical structure 1100 being selected to adequately focus light of the different wavelength bands at the selected focal points.
  • the required optical structure 1100 is rather complex and the geometry thereof needs to be carefully designed to achieve the desired dispersion of light and focal length Z.
  • FIG. 2 schematically depicts a dispersive optical system (or “DOS”) 2000 as disclosed in “Dispersive Optical Systems for Highly-Concentrated Solar Spectrum Splitting: Concept, Design, and Performance Analyses” , Si Kuan Thio and Sung-Yong Park, MDPI Journals, Energys, Solar Energy and Photovoltaic Systems, Volume 12, Issue 24, 4719, published on December 11 , 2019 (https://doi.Org/10.3390/en12244719).
  • This dispersive optical system 2000 is designed to separate incident sunlight L into two wavelength bands of visible range (VIS), for photovoltaic conversion by means of associated photovoltaic panels/cells 2500, and infrared range (IR), for thermal heating by means of associated thermal absorbers 2600.
  • VIS visible range
  • IR infrared range
  • the system 2000 comprises a dispersive optical system including a multilayer optical structure consisting of a Fresnel lens 2100, a diffracting grating 2200 and a multiplicity of juxtaposed compound prismatic elements 2300/2400 comprising a low-dispersion Littrow prism 2300 and a high-dispersion triangular prism 2400, similar to an Amici prism.
  • Figure 3 schematically depicts a dispersive optical system 3000 as disclosed in “Large Scale Spectral Splitting Concentrator Photovoltaic System Based on Double Flat Waveguides” , Ngoc Hai Vu, Thanh Tuan Pham and Seoyong Shin, MDPI Journals, Energys, Solar Energy and Photovoltaic Systems, Volume 13, Issue 9, 2360, published on May 9, 2020
  • This dispersive optical system 3000 is designed to separate incident sunlight L into a middle energy (mid E) wavelength band (l ⁇ 850 nm) and a low energy (low E) wavelength band (l > 850 nm) using a double flat waveguide structure 3200/3300 for photovoltaic conversion by means of associated photovoltaic cells 3500A, 3500B. More specifically, incident sunlight L is focussed onto selected portions of the double flat waveguide structure 3200/3300 by means of a Fresnel lens array 3100.
  • the mid E wavelength band Upon reaching the upper flat waveguide 3200, the mid E wavelength band is reflected by redirecting structures consisting of prismatic elements 3210 with a dichroic mirror coating and propagates inside the upper flat waveguide 3200 to reach the associated mid E wavelength band photovoltaic cell 3500A.
  • the low E wavelength band that passes through the dichroic mirrors 3210 is transmitted to the lower flat waveguide 3300 where it is reflected by redirecting mirrors 3310 and propagates inside the lower flat waveguide 3300 to similarly reach the associated low E wavelength band photovoltaic cell 3500B.
  • FIG. 4 schematically depicts yet another example of a dispersive optical system 4000 as disclosed in International (PCT) Publication No. WO 2010/045634 A2.
  • the system 4000 includes a spectrum-splitting element 4100 (e.g. a sinusoidal grating or other suitable grating structure), a concentrating element 4200 (e.g. a polychromatic lens) and a sub-cell array 4500.
  • Incident sunlight L is split by diffraction into rotationally symmetric spectra S1 , S2 exhibiting corresponding spectral bands li, l2, ... AN that are focused by the concentrating element 4200 into a plurality of corresponding, concentric wavelength-specific regions.
  • the sub-cell array 4500 comprises a corresponding plurality of wavelength-sensitive photovoltaic sub-cells 4500i, 4500 2 , ... 4500N placed on a substrate such that each sub-cell 4500i, 4500 2 , ... 4500N is illuminated by concentrated light corresponding to the relevant spectral bands Ai, K2 ... AN.
  • a general aim of the invention is to provide a dispersive optical device and system that can be suitably used to perform dispersion (i.e. spectral splitting) of incoming light.
  • an aim of the present invention is to provide such a solution that can suitably be used to perform spectral splitting of incoming sunlight as well as concentrate the resulting dispersed light for efficient solar energy harvesting.
  • a further aim of the invention is to provide such a solution that is reasonably simple and cost-efficient to implement.
  • Another aim of the invention is to provide such as a solution that allows implementation into a solar energy harvesting system that is compact and relies upon the use of a reasonably affordable optical system to disperse and concentrate light onto the relevant photovoltaic stage.
  • Yet another aim of the invention is to provide such a solution that is scalable and can accommodate a large variety of applications, configurations and/or dimensions.
  • a dispersive optical device comprising an optically dispersive element with a pair of angled surfaces, namely an upper surface and a lower surface, positioned along the path of incident light to cause refraction and dispersion of the incident light entering the upper surface and exiting the lower surface.
  • the dispersive optical device further comprises a mirror element positioned under the lower surface and angled with respect to the lower surface to cause dispersed light emerging from the lower surface to be reflected back towards and through the optically dispersive element to cause further refraction and dispersion of the dispersed light entering the lower surface and exiting the upper surface.
  • dispersion of light can be increased and improved as light undergoes refraction and dispersion four times upon crossing the upper and lower surfaces of the optically dispersive element, as well as total reflection onto the surface of the mirror element, thus achieving higher light concentration ability as well as improved spectral split, which brings further benefits, especially in terms of system integration and the ability to build more compact optical systems, especially for solar energy harvesting.
  • the invention in particular yields increased light dispersion, high solar energy concentration, greater overall system compactness, and improved efficiency.
  • the angle of the mirror element with respect to the lower surface may optionally be adjustable. Adjustability of the mirror element is not however absolutely required and the adequate angle of the mirror element with respect to the lower surface of the optically dispersive element may be set once and for all upon producing the dispersive optical device.
  • the angle of the mirror element with respect to the lower surface may in particular be comprised between 20 degrees and 60 degrees.
  • the angle formed by the upper and lower surfaces may be comprised between 20 degrees and 60 degrees.
  • the optically dispersive element is or comprises a prismatic optical element with essentially flat upper and lower faces.
  • the prismatic optical element may advantageously be an essentially triangular prism, in particular an essentially isosceles triangular prism.
  • the optically dispersive element may further comprise a converging lens element with a convex upper surface forming said upper surface of the optically dispersive element, which converging lens element is affixed to the upper flat face of the prismatic optical element to cause convergence of the dispersed light exiting the upper surface of the optically dispersive element.
  • the upper surface of the optically dispersive element may be a convex surface causing convergence of the dispersed light exiting the upper surface of the optically dispersive element.
  • a side surface of the optically dispersive element is preferably substantially aligned with the path of the incident light.
  • an upper corner formed between the side surface and the upper surface of the optically dispersive element may be flattened and provided with a mirror surface to reflect part of the incident light at an angle.
  • a dispersive optical system comprising a plurality of dispersive optical devices in accordance with the invention.
  • the dispersive optical devices are positioned to form at least one gapless array of dispersive optical devices juxtaposed one next to the other.
  • Each gapless array of juxtaposed dispersive optical devices may in particular include an integral optical structure composed of the optically dispersive elements of the juxtaposed dispersive optical devices.
  • the dispersive optical system comprises first and second gapless arrays of juxtaposed dispersive optical devices positioned in a planarly symmetric configuration.
  • the dispersive optical system comprises a single gapless array of juxtaposed dispersive optical devices positioned in a rotationally symmetrical configuration, in particular configured such that the juxtaposed dispersive optical devices form concentric ring structures.
  • the plurality of dispersive optical devices may form a substantially flat optical arrangement.
  • the dispersive optical devices may in particular be individually oriented in accordance with a Fresnel structure.
  • the plurality of dispersive optical devices may alternatively form a curved optical arrangement.
  • the dispersive optical system may further comprise an integral converging lens structure overlying the plurality of dispersive optical devices.
  • the dispersive optical devices may be supported so as to be retractable from a deployed, operating position to a retracted, inoperative position.
  • the dispersive optical devices may especially be retractable by translation and/or rotation.
  • dispersive optical device of the invention as optical concentrating device for solar energy harvesting, as well as use of the dispersive optical system of the invention as optical concentrating system for solar energy harvesting.
  • a solar energy harvesting system comprising a dispersive optical system in accordance with the invention acting as optical concentrating system, and a solar energy harvesting device positioned to receive light concentrated onto it by the dispersive optical system.
  • the solar energy harvesting device comprises a wavelength-sensitive photovoltaic stage, which wavelength-sensitive photovoltaic stage is configured, along with the dispersive optical system, to concentrate light of selected wavelength bands onto different locations of the wavelength-sensitive photovoltaic stage.
  • the solar energy harvesting device preferably further comprises a focusing stage to focus light of the selected wavelength bands onto the different locations of the wavelength-sensitive photovoltaic stage.
  • the focusing stage may include a plurality of focusing lenses each corresponding to a given one of the different locations of the wavelength-sensitive photovoltaic stage.
  • the focusing stage may include an array of focusing lenses matching the different locations of the wavelength-sensitive photovoltaic stage or an integral lens structure overlying the different locations of the wavelength-sensitive photovoltaic stage.
  • the solar energy harvesting device further comprises an upper photovoltaic stage to perform photovoltaic conversion of direct incident light.
  • photovoltaic conversion is preferably performed by means of single junction solar cells or sub-cells, especially monocrystalline or polycrystalline solar cells or sub-cells, to ensure optimal conversion efficiency.
  • the single-junction solar cells or sub-cells are preferably made of silicon (Si), germanium (Ge), gallium arsenide (GaAs), indium gallium phosphide (InGaP), aluminium indium phosphide (AllnP) or another lll-V semiconductor material.
  • the single-junction solar cells or sub-cells may alternatively be thin-film solar cells or sub-cells based on cadmium telluride (CdTe), copper indium gallium selenide (CIGS) or lead halide perovskite.
  • CdTe cadmium telluride
  • CIGS copper indium gallium selenide
  • lead halide perovskite lead halide perovskite
  • the solar energy harvesting device may advantageously further include an integrated cooling stage.
  • the solar energy harvesting device may especially be liquid-cooled, preferably by evaporative cooling.
  • the solar energy harvesting device may be supported so as to be retractable from a deployed, operating position to a retracted, inoperative position.
  • the solar energy harvesting system may further comprise a shutter mechanism interposed between the solar energy harvesting device and the dispersive optical system, which shutter mechanism is configured to be opened or closed to respectively allow or prevent the dispersive optical system to concentrate light onto the solar energy harvesting device.
  • the solar energy harvesting system further comprises a transparent protective cover configured to cover at least the dispersive optical system during operation.
  • the dispersive optical devices are supported so as to be retractable from a deployed, operating position to a retracted, inoperative position
  • the solar energy harvesting system further comprises a protective cover configured to cover at least the dispersive optical system in the retracted, inoperative position.
  • the dispersive optical system may be configured to rotate about a position of the solar energy harvesting device to adjust to relative movement of the Sun in the sky.
  • the solar energy harvesting system preferably further comprises a control system configured to automatically adjust a rotational position of the dispersive optical system with respect to the solar energy harvesting device as a function of the relative movement of the Sun in the sky.
  • control system may in particular be configured to adjust the rotational position of the dispersive optical system as a function of a measured output of the solar energy harvesting device. This measured output may in particular be based on a differential measurement.
  • FIGS 1 to 4 are schematic views of dispersive optical systems in accordance with the state of the art
  • Figure 5 is a schematic side view of a dispersive optical device in accordance with an embodiment of the invention
  • Figure 6 is a schematic side view of a solar energy harvesting system comprising an optical system including a plurality of juxtaposed dispersive optical devices as shown in Figure 1 ;
  • Figure 7 is a schematic isometric view of a solar energy harvesting system in accordance with a first embodiment variant of the invention.
  • Figures 7A and 7B are schematic side views of the solar energy harvesting system of Figure 7 taken along x and y axes;
  • Figure 8 is a schematic isometric view of a solar energy harvesting system in accordance with a second embodiment variant of the invention.
  • Figures 8A and 8B are schematic side views of the solar energy harvesting system of Figure 8 taken along x and y axes;
  • Figure 9 is a schematic isometric view of a solar energy harvesting system in accordance with a third embodiment variant of the invention.
  • Figures 9A and 9B are schematic side views of the solar energy harvesting system of Figure 9 taken along x and y axes;
  • Figure 10 is a schematic isometric view of a solar energy harvesting system in accordance with a fourth embodiment variant of the invention.
  • Figures 10A and 10B are schematic cross-sectional views of the solar energy harvesting system of Figure 10 taken along x and y axes;
  • Figure 11A is a schematic perspective view of a retractable frame system in a deployed, operating state
  • Figure 11 B is a schematic perspective view of the retractable frame system of Figure 11A in a retracted, inoperative state
  • FIGS. 12A-12D are schematic side views of a solar energy harvesting system in accordance with a further embodiment of the invention.
  • Figures 13A and 13B are schematic side views of a dispersive optical device in accordance with a further embodiment of the invention.
  • Figures 14A to 14C are illustrative of embodiment variants of the dispersive optical device of Figure 5;
  • Figure 15 is a schematic side view of a dispersive optical system in according with a further embodiment of the invention.
  • Figure 16 is a schematic isometric view of a solar energy harvesting system in accordance with yet another embodiment variant of the invention;
  • Figure 16A is a schematic cross-sectional view of the solar energy harvesting system of Figure 16.
  • FIGS 17A to 17C are schematic side views of embodiment variants of the solar energy harvesting device shown in Figure 6;
  • Figure 18A is a schematic side view of a solar energy harvesting system as shown e.g. in Figures 7 and 7A-B in accordance with a further embodiment of the invention.
  • Figure 18B is a schematic side view of a solar energy harvesting system as shown e.g. in Figures 7 and 7A-B, depicted in a retracted, inoperative state, in accordance with yet another embodiment of the invention.
  • Embodiments of the dispersive optical device and system of the invention will especially be described hereinafter in the particular context of a use thereof for solar energy harvesting, but it will be appreciated that other uses could be contemplated, including e.g. for spectrometry, optical computing applications, laser tuning, optical coherence tomography, etc..
  • FIG. 5 is a schematic side view of a dispersive optical device (or module), designated globally by reference numeral 10, in accordance with an embodiment of the invention. It essentially comprises an optically dispersive element consisting, in the illustrated example, of a prismatic optical element P with a pair of angled surfaces PA, PB and an associated mirror element M.
  • the pair of angled surfaces PA, PB in effect consist of an upper surface PA and lower surface PB respectively forming first and second interfaces between two transparent mediums of different Abbe numbers, e.g. air (or any other transparent medium in which the optically dispersive element P is located) and the prism material.
  • the prism material exhibits a low Abbe number compared to the medium (e.g. air) in which it is located.
  • the optically dispersive element P may be made of any suitable material transparent to the relevant wavelengths of incident light L, including but not limited to glass and transparent plastics.
  • the optically dispersive element P is an essentially triangular prism (here preferably an isosceles triangular prism) with a side surface po that is substantially aligned with the path of incident light L.
  • This side surface po is not meant to contribute to the dispersion of light. Alignment of the side surface po with the path of incident light L is particularly desired to ensure optimal efficiency, especially in the context of the use of this device for solar energy harvesting, as this will become apparent from the following description.
  • the geometry of the optically dispersive element P may however differ from the illustrated prismatic configuration depending on practical requirements and further considerations aimed at e.g. optimizing efficiency (see e.g. Figures 13A- B to 14A-C discussed below, where Figure 13B shows a slightly modified dispersive optical device 10 * and Figures 14B and 14C show further embodiments of dispersive optical devices 10A, 10B).
  • the angle formed by the upper and lower surfaces PA, PB of the optically dispersive element P is of the order of 50 degrees. It will once again be appreciated, however, that the relevant angles and geometry of the optically dispersive element P may differ from the illustrated configuration depending on practical requirements. In that respect, the angle formed by the angled surfaces PA, PB may for instance be comprised between 20 degrees and 60 degrees.
  • refraction and dispersion of incident light L takes place at the first interface (namely upon reaching the upper surface PA of the optically dispersive element P) - as identified by “input” location a in Figure 5 - depending on the relevant refractive indexes of the two transparent mediums.
  • the dispersed light undergoes further refraction and dispersion at the second interface (namely upon reaching the lower surface PB of the optically dispersive element P) - as identified by location b in Figure 5.
  • the mirror element M is positioned, according to the invention, under the lower surface PB and angled with respect to this lower surface PB (such angle being designated by reference Q in Figure 5) to cause dispersed light emerging from the lower surface PB to undergo total reflection - as identified by location c in Figure 5 - and be reflected back towards and through the optically dispersive element P.
  • the dispersed light undergoes refraction and dispersion, a third time, at the second interface upon entering again the lower surface PB - as identified by location d in Figure 5 - as then, a fourth time, as the dispersed light emerges from the upper surface PA - as identified by “output” location e in Figure 5.
  • refraction and dispersion of light occur four times upon crossing the first and second interfaces of the optically dispersive element P, as well as total reflection onto the surface of the mirror element M.
  • incoming light L entering the dispersive optical element 10 at the “input” location on the first interface is dispersed and propagates through the device 10, and emerges at the “output” location on the same first interface as dispersed light (i.e. a dispersed spectrum) with a determined angle and dispersion.
  • Angle a in Figure 5 denotes the angle of deflection between the incoming light L and a (given) longest wavelength A l ong of the dispersed light spectrum at the output location.
  • Angle b in Figure 5 denotes the total angle of dispersion of the dispersed light spectrum at the output location, namely the angle formed between the (given) longest wavelength A l ong and a (given) shortest wavelength As h or t of the dispersed light spectrum.
  • the angle Q of the mirror element M with respect to the lower surface PB of the optically dispersive element P is preferably adjustable, thus allowing adjustment of the angle of deflection a.
  • the angle of deflection a can be increased or decreased by respectively reducing or increasing the angle Q of the mirror element M with respect to the lower surface PB.
  • This ability to potentially adjust the angle Q of the mirror element M with respect to the lower surface PB of the optically dispersive element P brings benefits especially in the context of the use of the dispersive optical device 10 as optical concentrator, as it provides for the ability to adjust the angle at which the dispersed light emerges from the dispersive optical device 10, and thus adjustment of a position of the relevant focal points.
  • the angle Q of the mirror element M with respect to the lower surface PB may be comprised between 20 degrees and 60 degrees, and be advantageously adjusted or adjustable to any angle comprised in this range.
  • any appropriate mechanical solution to secure and position the mirror element M with respect to the optically dispersive element P could be contemplated.
  • One solution could for instance consist in attaching the mirror element M to the lower corner between the side surface po and the lower surface PB of the optically dispersive element P by means of a fixed structure or, optionally, an adjustable hinge or like articulation (not specifically shown). In effect, sufficient room is provided on the lower part of the side surface po of the optically dispersive element P to integrate the necessary connection or articulation mechanism, without interfering with optical operation of the dispersive optical device 10 or otherwise impairing optical efficiency thereof.
  • the total angle of dispersion b is increased, thus inducing and achieving better spectral split, which in turn allows improvement in overall system architecture including e.g. improved overall compactness of the resulting solar energy harvesting system in which the dispersive optical device(s) of the invention may be used.
  • the angle of deflection a can be adjusted depending on the relevant angle Q of the mirror element M with respect to the lower surface PB of the optically dispersive element P, giving greater flexibility, especially with regard to the ability to concentrate the dispersed light at desired positions.
  • the angle of deflection a is not solely dependent on the dispersion induced by the optically dispersive element P, but a function of the angle Q of the mirror element M. This especially brings benefits in overall system integration, especially in the context of the use of the dispersive optical device of the invention as optical concentrator for solar energy harvesting.
  • Figure 6 is a schematic side view of a solar energy harvesting system, designated globally by reference numeral 100, comprising an optical system 20 including a plurality of juxtaposed dispersive optical devices 10 as shown in Figure 5.
  • Figure 6 shows - by way of illustration - two gapless arrays 20a, 20b of three dispersive optical devices 10, arranged in each case so as to be juxtaposed one next to the other, which two gapless arrays 20a, 20b are positioned in a planarly symmetric configuration (with respect to an imaginary median vertical plane) so as to concentrate the resulting dispersed light to a central location coinciding with the position of a solar energy harvesting device 50.
  • the arrays 20a, 20b are gapless in the sense that no space subsists between the relevant dispersive optical devices 10 of each array 20a, 20b.
  • Figure 6 show two arrays 20a, 20b of individual dispersive optical devices 10, the relevant optically dispersive elements P could be merged into a common, integral optical structure. Schematic illustrations thereof are depicted in Figures 7, 7A-B to 10, 10A-B, where reference O designates such integral optical structure (see also Figures 15, 16 and 16A).
  • the solar energy harvesting device 50 shown schematically in Figure 6 may take any appropriate structure and construction. It suffices to understand that, in the illustrative example, the solar energy harvesting device 50 is provided, on its lower face, with a wavelength-sensitive photovoltaic stage 51 suitable for performing photovoltaic conversion of the dispersed light concentrated onto it by the dispersive optical system 20.
  • such wavelength-sensitive photovoltaic stage 51 may in particular comprise wavelength-sensitive photovoltaic cells or sub-cells 51 A, 51 B that are positioned so as to receive light of corresponding wavelength bands concentrated thereon by the dispersive optical system 20.
  • Cells or sub-cells 51 A are sensitized for photovoltaic conversion of longer wavelength bands, while cell or sub-cell 51 B is sensitized for photovoltaic conversion of shorter wavelength bands.
  • An individual skilled in the art will evidently understand that the illustration of Figure 6 is schematic and that a greater number of wavelength-sensitive photovoltaic cells or sub-cells may be contemplated in practice.
  • Photovoltaic conversion is preferably performed by means of single junction solar cells or sub-cells 51 A, 51 B to ensure optimal conversion efficiency.
  • Monocrystalline or polycrystalline solar cells or sub-cells may especially come into consideration.
  • Such single-junction solar cells or sub-cells 51 A, 51 B may be made of silicon (Si), germanium (Ge), gallium arsenide (GaAs), indium gallium phosphide (InGaP), aluminium indium phosphide (AllnP), or any other suitable lll-V semiconductor material.
  • the single-junction solar cells or sub-cells 51 A, 51 B may also be thin-film solar cells or sub-cells based e.g. on cadmium telluride (CdTe), copper indium gallium selenide (CIGS) or lead halide perovskite.
  • the harvesting device 50 further comprises a focusing stage 52 designed to focus light of the selected wavelength bands onto the relevant locations of the wavelength-sensitive photovoltaic stage 51.
  • the focusing stage 52 here includes a plurality of focusing lenses each corresponding to a given one of the wavelength-sensitive photovoltaic cells or sub-cells 51 A, 51 B.
  • the focusing stage may however take any appropriate configuration.
  • Figure 17B for instance schematically shows an embodiment variant where the focusing stage consists of an array of focusing lens 52 * rather than individual focusing lenses 52.
  • Figure 17C schematically shows another embodiment variant where the focusing stage consists of an integral lens structure overlying the wavelength-sensitive photovoltaic cells or sub-cells 51 A, 51 B.
  • an upper portion of the harvesting device 50 is preferably provided with an upper photovoltaic stage 55 to perform photovoltaic conversion of direct incident light L.
  • the harvesting device 50 preferably further comprises an integrated cooling stage 50a.
  • This integrated cooling stage 50a may especially be liquid-cooled (especially by evaporative cooling) and/or implement any other cooling structure or element (e.g. air ventilation, etc.) to provide efficient cooling of the harvesting device 50.
  • the integrated cooling stage 50a may conveniently be constructed as a hollow supportive structure bearing the photovoltaic stages 51 , 55 on its lower and upper faces and housing, within its inner cavity, the relevant cooling components necessary to ensure appropriate cooling, including e.g. wicking material, coolant pipes, cooling medium supply, air ventilation, etc..
  • FIG. 7 is a schematic isometric view of a solar energy harvesting system 100 in accordance with a first embodiment variant of the invention, which harvesting system 100 in essence follows the principles that have been described with reference to the schematic illustration of Figure 6.
  • the dispersive optical system 20 exhibits a generally flat configuration with two planarly symmetrical gapless arrays 20a, 20b of juxtaposed dispersive optical devices (or modules) 10, each gapless array 20a, 20b consisting here of ten juxtaposed devices/modules 10.
  • the plane of symmetry is understood to be an imaginary vertical plane perpendicular to the x axis and comprising the harvesting device 50.
  • the harvesting device 50 here exhibits a longitudinal configuration extending along the y axis.
  • the optically dispersive elements P of all dispersive optical devices/modules 10 forming the gapless arrays 20a, 20b shown in Figures 7 and 7A-B are advantageously merged into respective integral optical structures O.
  • FIG 8 is a schematic isometric view of a solar energy harvesting system 100A in accordance with a second embodiment variant of the invention.
  • the dispersive optical system 20A exhibits in this case a curved configuration with two planarly symmetrical gapless arrays 20Aa, 20Ab of juxtaposed dispersive optical devices/modules 10.
  • the plane of symmetry is again understood to be an imaginary vertical plane perpendicular to the x axis and comprising the harvesting device 50A.
  • the harvesting device 50A here exhibits a more compact configuration as light is concentrated on a smaller area due to the curvature of the arrays 20Aa, 20Ab.
  • the optically dispersive elements P of all dispersive optical devices/modules 10 forming the gapless arrays 20Aa, 20Ab shown in Figures 8 and 8A-B are advantageously merged into respective integral optical structures O.
  • FIG. 9 is a schematic isometric view of a solar energy harvesting system 100B in accordance with a third embodiment variant of the invention.
  • the dispersive optical system 20B exhibits, much like the first embodiment variant, a generally flat configuration with two planarly symmetrical gapless arrays 20Ba, 20Bb of juxtaposed dispersive optical devices/modules 10.
  • the plane of symmetry is once again understood to be an imaginary vertical plane perpendicular to the x axis and comprising the harvesting device 50B.
  • the harvesting device 50B here exhibits a more compact configuration, similar to the harvesting device 50A shown in Figures 8 and 8A-B, owing to the fact that the dispersive optical devices 10 are individually oriented in accordance with a Fresnel structure to achieve similar concentration efficiency.
  • the optically dispersive elements P of all dispersive optical devices/modules 10 forming the gapless arrays 20Ba, 20Bb shown in Figures 9 and 9A-B are likewise merged into respective integral optical structures O.
  • Figure 10 is a schematic isometric view of a solar energy harvesting system 100C in accordance with a fourth embodiment variant of the invention.
  • the dispersive optical system 20C exhibits, much like the first and third embodiment variants, a generally flat configuration, however with a single, rotationally symmetrical gapless array 20Ca of juxtaposed dispersive optical devices/modules 10.
  • the axis of symmetry is thus understood to be an imaginary vertical axis perpendicular to the x-y plane and passing by the harvesting device 50C.
  • the harvesting device 50C likewise exhibits a compact configuration.
  • the single gapless array 20Ca of juxtaposed dispersive optical devices/modules 10 is configured such that the juxtaposed dispersive optical devices/modules 10 form concentric ring structures, all optically dispersive elements P being merged into an integral optical structure O. Thanks to this concentric, circular arrangement, dispersed light will be concentrated onto a smaller central area, hence the more compact configuration.
  • the solar energy harvesting device may be supported so as to be retractable from a deployed operating position (as shown e.g. in Figures 6, 7, 8, 9 and 10) to a retracted, inoperative position, especially during the night (or if environmental conditions are suboptimal due to e.g. rain, snowfall, a sandstorm, etc.), in order to avoid deposition of dust or any other hazard that could tarnish, damage or otherwise interfere with proper operation of the harvesting device.
  • the dispersive optical devices 10 (or the dispersive optical system as a whole) could likewise be supported so as to be retractable from a deployed, operating position (as shown e.g.
  • a dedicated shutter mechanism could be interposed between the solar energy harvesting device and the dispersive optical system and be configured to be selectively opened or closed to respectively allow or prevent the dispersive optical system to concentrate light onto the associated solar energy harvesting device.
  • the solar energy harvesting system may be fully deployed to harvest solar energy with optimal efficiency.
  • the dispersive optical system could in that regard serve as window blinds to at least partially obscure windows of buildings or as shadowing structure to cast shadows on areas to be protected from excessive sunlight exposure. This being said, selective retraction of the harvesting device and/or dispersive optical system may nevertheless be necessary or opportune, for instance when no particular solar energy harvesting is required.
  • the harvesting device and/or dispersive optical system may be retracted for the purpose of protecting potentially vulnerable components of the system from environmental hazard.
  • the solar energy harvesting system could nevertheless be deployed if operating conditions, although sub-optimal, may allow for sufficient solar energy harvesting, albeit with reduced efficiency.
  • FIG 18A schematically shows a solar energy harvesting system 100 (as already discussed in connection with Figures 7 and 7A-B) that is further provided with a transparent protective cover 60 configured to cover at least the dispersive optical system 20 (as well as the solar energy harvesting device 50 if needed).
  • a transparent protective cover 60 could be provided in a permanent manner or be configured so as to be selectively deployable/retractable in case of need. It will be appreciated that such a transparent protective cover 60 may similarly be provided as a protective means in connection with other embodiments, including e.g. the embodiments shown in Figures 8-8A-B to 10-10A-B.
  • FIG 18B schematically shows a solar energy harvesting system 100 (as already discussed in connection with Figures 7 and 7A-B) depicted in a retracted, inoperative state, namely with the two gapless arrays 20a, 20b pivoted towards each other into a vertical configuration, thus reducing the resulting shading area produced by the optical system 20 compared to the deployed, operative state depicted e.g. in Figure 18A.
  • a protective cover 70 is similarly provided to cover at least the optical system 20 (including possibly the harvesting device 50).
  • the aforementioned protective covers 60, 70 could be one and the same protective cover configured to fulfil both functions or distinct protective covers that are preferably retractable or otherwise removable.
  • FIGS 11A-B are schematic illustrations of a retractable frame system 200, respectively in a deployed, operating state and retracted, inoperative state that could for instance be used or adapted to provide retractability (namely by translation) of components of the solar energy harvesting system.
  • the retractable frame system 200 shown in Figures 11 A-B includes in essence two parallel longitudinal frame elements 200A, 200B supporting one or more (here three) transversal members 210 that are supported at both ends on associated longitudinal guides 225 via sleeve bearings 220 allowing each transversal member 210 to slide in the longitudinal direction. Selective retraction or deployment of the transversal members 210 along the longitudinal guides 225 may be controlled by an associated driving mechanism including e.g. a drive motor 250.
  • an associated driving mechanism including e.g. a drive motor 250.
  • Each of the transversal members 210 may support a longitudinal solar energy harvesting device 50 as shown e.g. in Figures 7 and 7A-B.
  • Other retractable frame systems may be contemplated with a view to provide the relevant solar energy harvesting device and/or the associated dispersive optical system with the ability to be selectively retracted.
  • retractability of the solar energy harvesting device and/or of the dispersive optical devices/system may be implemented in any appropriate manner, for instance by translation and/or rotation of the relevant components.
  • FIGS 12A-D are schematic side views of a solar energy harvesting system 100 * in accordance with a further embodiment of the invention.
  • the harvesting system 100 * is similar to the harvesting system 100 discussed with reference to Figure 6.
  • the refinement resides in the fact that the dispersive optical system 20 * is configured to rotate about a position of the solar energy harvesting device 50 * to adjust to relative movement of the Sun in the sky as schematically illustrated by Figures 12A-C.
  • a dedicated control system could be provided and configured to automatically adjust a rotational position of the dispersive optical system 20 * with respect to the solar energy harvesting device 50 * as a function of the relative movement of the Sun in the sky.
  • This could be achieved in different ways, for instance by providing a dedicated Sun tracking system to specifically track relative movement of the Sun in the sky.
  • the control system could be configured to adjust the rotational position of the dispersive optical system as a function of a measured output of the solar energy harvesting device 50 * as schematically depicted in Figure 12D, namely by providing e.g.
  • a differential stage 500 to measure a difference in energy output DAMR of the lateral photovoltaic cells 51 A and by providing an associated control unit 550 to automatically adjust the rotational position of the dispersive optical system 20 * with respect to the harvesting device 50 * in case of a noticeable difference in the measured energy output, which can be interpreted as being indicative of a relative misalignment with the actual position of the Sun in the sky.
  • the geometry of the optically dispersive element may differ from the strictly prismatic configuration illustrated in Figure 5 depending on practical requirements and further considerations aimed at e.g. optimizing efficiency.
  • a “dead” zone Z proximate to the side surface po of the prismatic optical element P of Figure 5 is not fully exploitable as light reflected at the base of the mirror element M will in effect hit the side surface po and not be concentrated where desired. This “dead” zone Z thus leads to corresponding optical efficiency losses.
  • Performance calculations of the total solar energy harvesting efficiency of the solar energy harvesting system of the invention show that a total photovoltaic conversion efficiency of approx. 35% or more is achievable, which is above the maximum efficiency of single-junction cells that is typically measured at about 28.8%.
  • FIG 14B shows a dispersive optical device 10A in accordance with another embodiment of the invention.
  • the dispersive optical device 10A comprises an optically dispersive element PA that differs from the optically dispersive element P shown in Figure 14A in that the upper surface PA thereof is a convex surface causing convergence of the dispersed light exiting the upper surface PA of the optically dispersive element PA, thus leading to greater light concentration and better separation between the relevant light concentration zones.
  • FIG 14C shows a dispersive optical device 10B in accordance with another embodiment of the invention.
  • the dispersive optical device 10B comprises an optically dispersive element C/P that includes a similar prismatic optical element P as shown in Figure 14A, but that is additionally provided with a converging lens element C with a convex upper surface forming the upper surface PA of the optically dispersive element C/P.
  • This converging lens element C is affixed to the upper flat face PAA of the prismatic optical element P to cause convergence of the dispersed light exiting the upper surface PA of the optically dispersive element C/P, thus likewise leading to greater light concentration and better separation between the relevant light concentration zones.
  • an integral converging lens structure C’ may be provided, overlying the plurality of dispersive optical devices 10 in order to similarly achieve greater light concentration and better separation between the relevant light concentration zones.
  • Figures 16 and 16A are schematic views of a dispersive optical system 20D deriving from the principle discussed in connection with Figures 10 and 10A- B (namely with a single, rotationally symmetrical gapless array 20Da of juxtaposed dispersive optical devices/modules 10) and embodying the principle shown in Figure 15. More precisely, an integral converging lens structure CD is provided, overlying the gapless array 20Da of dispersive optical devices 10.
  • the actual geometry of the optically dispersive element could be modified compared to the strictly prismatic geometry shown e.g. in Figure 5 as evidenced e.g. by the embodiments depicted in Figures 14B and 14C.
  • the optically dispersive element does not necessarily have to exhibit an essentially isosceles triangular configuration and other essentially triangular or non-triangular configurations could be contemplated.
  • each of the upper and lower surfaces of the optically dispersive element may be essentially flat or curved surfaces, for instance convex surfaces, depending on the desired application.
  • each dispersive optical device/module composing the relevant dispersive optical system may in effect vary depending on the relative location thereof compared to the solar energy harvesting device.
  • dispersive optical device and system of the invention has been described in the particular context of solar energy harvesting, the dispersive technology of the invention may be applied for other uses, such as spectrometry, optical computing applications, laser tuning, optical coherence tomography, etc..
  • PAA upper face of prismatic element P (embodiment of Figure 14C)
  • PB lower surface (second interface) of optically dispersive element P, P A resp. C/P po side surface of optically dispersive element P, PA, resp. C/P (aligned with path of incoming light L)
  • 51 (lower) photovoltaic stage (wavelength-sensitive) for photovoltaic conversion of light concentrated by dispersive optical system 20
  • 51 A wavelength-sensitive photovoltaic cells or sub-cells / photovoltaic stage for photovoltaic conversion of light of longer wavelengths
  • 51 B wavelength-sensitive photovoltaic stage cell or sub-cell / photovoltaic stage for photovoltaic conversion of light of shorter wavelengths
  • 52 focusing stage (focusing lenses)
  • 100C solar energy harvesting system (fourth embodiment variant) 20’ dispersive optical system / optical concentrating system (further embodiment variant)
  • 4200 concentrating element e.g. lens

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne un dispositif optique dispersif (10) comprenant un élément à dispersion optique (P) avec une paire de surfaces inclinées (pA, pB), à savoir une surface supérieure (pA) et une surface inférieure (pB), positionnées le long du trajet de lumière incidente (L) pour provoquer la réfraction et la dispersion de la lumière incidente (L) entrant dans la surface supérieure (pA) et sortant de la surface inférieure (pB). Le dispositif optique dispersif (10) comprend en outre un élément miroir (M) positionné sous la surface inférieure (pB) et formant un angle par rapport à la surface inférieure (pB) pour provoquer une lumière dispersée émergeant de la surface inférieure (pB) à être réfléchie vers et à travers l'élément à dispersion optique (P) pour provoquer une réfraction et une dispersion supplémentaires de la lumière dispersée entrant dans la surface Inférieure (pB) et sortant de la surface supérieure (pA). Un tel dispositif optique dispersif (10) peut en particulier être utilisé comme dispositif de concentration optique pour la récupération d'énergie solaire.
PCT/IB2021/052631 2021-03-30 2021-03-30 Dispositif optique dispersif, système optique dispersif le comprenant et son utilisation notamment pour la récupération d'énergie solaire WO2022208130A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202180096373.1A CN117063097A (zh) 2021-03-30 2021-03-30 特别用于太阳能收集的色散光学装置、包含该装置的色散光学系统及其用途
PCT/IB2021/052631 WO2022208130A1 (fr) 2021-03-30 2021-03-30 Dispositif optique dispersif, système optique dispersif le comprenant et son utilisation notamment pour la récupération d'énergie solaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2021/052631 WO2022208130A1 (fr) 2021-03-30 2021-03-30 Dispositif optique dispersif, système optique dispersif le comprenant et son utilisation notamment pour la récupération d'énergie solaire

Publications (1)

Publication Number Publication Date
WO2022208130A1 true WO2022208130A1 (fr) 2022-10-06

Family

ID=75674882

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2021/052631 WO2022208130A1 (fr) 2021-03-30 2021-03-30 Dispositif optique dispersif, système optique dispersif le comprenant et son utilisation notamment pour la récupération d'énergie solaire

Country Status (2)

Country Link
CN (1) CN117063097A (fr)
WO (1) WO2022208130A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998037389A1 (fr) * 1997-02-24 1998-08-27 Sira Electro-Optics Ltd. Spectrometre d'imagerie
US20070146886A1 (en) * 2005-12-21 2007-06-28 Bookham Technology Plc Unitary optical element providing wavelength selection
WO2010045634A2 (fr) 2008-10-17 2010-04-22 Massachusetts Institute Of Technology Photopiles à multiples jonctions à efficacité ultra élevée utilisant des concentrateurs polychromatiques à diffraction
US20110083741A1 (en) * 2009-10-01 2011-04-14 RNY Solar LLC Multiconverter system comprising spectral separating reflector assembly and methods thereof
US20120081705A1 (en) * 2010-10-01 2012-04-05 Raytheon Company Two material achromatic prism
US20130016431A1 (en) * 2011-07-11 2013-01-17 Jerker Taudien Concentrating and spectrum splitting optical device for solar energy applications
WO2013093796A1 (fr) * 2011-12-21 2013-06-27 Koninklijke Philips Electronics N.V. Dispositif de redirection de lumière

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998037389A1 (fr) * 1997-02-24 1998-08-27 Sira Electro-Optics Ltd. Spectrometre d'imagerie
US20070146886A1 (en) * 2005-12-21 2007-06-28 Bookham Technology Plc Unitary optical element providing wavelength selection
WO2010045634A2 (fr) 2008-10-17 2010-04-22 Massachusetts Institute Of Technology Photopiles à multiples jonctions à efficacité ultra élevée utilisant des concentrateurs polychromatiques à diffraction
US20110083741A1 (en) * 2009-10-01 2011-04-14 RNY Solar LLC Multiconverter system comprising spectral separating reflector assembly and methods thereof
US20120081705A1 (en) * 2010-10-01 2012-04-05 Raytheon Company Two material achromatic prism
US20130016431A1 (en) * 2011-07-11 2013-01-17 Jerker Taudien Concentrating and spectrum splitting optical device for solar energy applications
WO2013093796A1 (fr) * 2011-12-21 2013-06-27 Koninklijke Philips Electronics N.V. Dispositif de redirection de lumière

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MARCO STEFANCICH ET AL.: "Single element spectral splitting solar concentrator for multiple cells CPV system", THE OPTICAL SOCIETY (OSA), OPTICS EXPRESS, vol. 20, no. 8, 9 April 2012 (2012-04-09), pages 9004 - 9018, Retrieved from the Internet <URL:https://doi.org/10.1364/OE.20.009004>
NGOC HAI VUTHANH TUAN PHAMSEOYONG SHIN: "Large Scale Spectral Splitting Concentrator Photovoltaic System Based on Double Flat Waveguides", MDPI JOURNALS, ENERGIES, SOLAR ENERGY AND PHOTOVOLTAIC SYSTEMS, vol. 13, no. 9, 9 May 2020 (2020-05-09), pages 2360, Retrieved from the Internet <URL:https://doi.org/10.3390/enl3O92360>
SI KUAN THIOSUNG-YONG PARK: "Dispersive Optical Systems for Highly-Concentrated Solar Spectrum Splitting: Concept, Design, and Performance Analyses", MDPI JOURNALS, ENERGIES, SOLAR ENERGY AND PHOTOVOLTAIC SYSTEMS, vol. 12, no. 24, 11 December 2019 (2019-12-11), pages 4719, Retrieved from the Internet <URL:https://doi.org/l0.3390/en12244719>

Also Published As

Publication number Publication date
CN117063097A (zh) 2023-11-14

Similar Documents

Publication Publication Date Title
ES2535435T3 (es) Aparato para obtener energía radiante
US6730840B2 (en) Concentrating photovoltaic module and concentrating photovoltaic power generating system
CA2685103C (fr) Panneau solaire guide de lumiere et procede de fabrication correspondant
US5902417A (en) High efficiency tandem solar cells, and operating method
US9040808B2 (en) Light-guide solar panel and method of fabrication thereof
EP2141748B1 (fr) Dispositif photovoltaïque doté de concentration et de dispersion spectrale du faisceau lumineux collecté
US20080314436A1 (en) Solar augmentation system
GB2431513A (en) Solar concentrator
US20070227582A1 (en) Low aspect ratio concentrator photovoltaic module with improved light transmission and reflective properties
JP2013123059A (ja) 集光のための方法及び装置
CA2644551A1 (fr) Collecteur et concentrateur de lumiere
JP2006332113A (ja) 集光型太陽光発電モジュール及び集光型太陽光発電装置
CN108259001A (zh) 一种基于分光谱的光伏组件及光伏电池板
TWI684703B (zh) 側聚光型太陽能百葉窗
WO2022208130A1 (fr) Dispositif optique dispersif, système optique dispersif le comprenant et son utilisation notamment pour la récupération d&#39;énergie solaire
US20170200848A1 (en) Compound kohler solar concentrator with optional spectrum splitting photovoltaic apparatus
CN208028848U (zh) 一种基于分光谱的光伏组件及光伏电池板
US20110247677A1 (en) Temperature-controlled Photovoltaic Matrix and Method of Use
KR100902011B1 (ko) 빔 스프리터를 이용한 태양광 발전장치
US20170179875A1 (en) Beam splitting of solar light by reflective filters
US7206142B1 (en) Refractive spectrum splitting concentrator system
WO2023031655A1 (fr) Appareil d&#39;orientation de lumière solaire et système de collecte d&#39;énergie solaire le comprenant
US11901859B1 (en) Photovoltaic device for enhancing power output of concentrating solar thermal power plants
US20100193009A1 (en) Reflector and system for photovoltaic power generation
GB2476657A (en) Solar energy collection apparatus

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21721601

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 202180096373.1

Country of ref document: CN

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21721601

Country of ref document: EP

Kind code of ref document: A1