CN104875405A - Processing method of terahertz optical lens - Google Patents
Processing method of terahertz optical lens Download PDFInfo
- Publication number
- CN104875405A CN104875405A CN201510290629.9A CN201510290629A CN104875405A CN 104875405 A CN104875405 A CN 104875405A CN 201510290629 A CN201510290629 A CN 201510290629A CN 104875405 A CN104875405 A CN 104875405A
- Authority
- CN
- China
- Prior art keywords
- optical lens
- thz wave
- wave optical
- processed
- methylpentene
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
An embodiment of the invention provides a processing method of a terahertz optical lens, and aims at effectively improving the problems of the prior art that the processing of the terahertz optical lens is more complex and the production efficiency is lower. The method includes subjecting materials used for manufacturing the terahertz optical lens to be processed to thermoforming with a mold to obtain the terahertz optical lens; the mold is matched with the shape of the processed terahertz optical lens. The method is capable of significantly improving the production efficiency of the terahertz optical lens, convenient to implement and easy to promote and apply.
Description
Technical field
The present invention relates to product processing technique field, in particular to a kind of THz wave optical lens processing method.
Background technology
In Terahertz THz wave system system, the optical element transmit THz ripple, controlled is extremely important, wherein, the lens retrained THz wave diffraction effect are devices of outbalance in each optical element, inventor finds after deliberation, existing THz wave optical lens is all carry out retrofit to single lens, and process is comparatively complicated, and production efficiency is lower.
Summary of the invention
In view of this, the object of the embodiment of the present invention is to provide a kind of THz wave optical lens processing method, comparatively complicated to improve THz wave optical lens process in prior art, the problem that production efficiency is lower.
To achieve these goals, the technical scheme of embodiment of the present invention employing is as follows:
First aspect, embodiments provides a kind of THz wave optical lens processing method, comprising:
Use mould to carry out thermoplastic shaping to the material manufacturing the THz wave optical lens processed, obtain processed described THz wave optical lens, described mould mates with processed described THz wave optical lens shape.
In conjunction with first aspect, embodiments provide the first possible embodiment of first aspect, wherein, the described material manufacturing the described THz wave optical lens processed is 4-methylpentene TPX material, described use mould carries out thermoplastic shaping to the material manufacturing the THz wave optical lens processed, obtain processed described THz wave optical lens, comprising:
Use mould to carry out thermoplastic shaping to 4-methylpentene TPX material, obtain processed described THz wave optical lens.
In conjunction with the first possible embodiment of first aspect, embodiments provide the embodiment that the second of first aspect is possible, wherein, described use mould carries out thermoplastic shaping to 4-methylpentene TPX material, obtain processed described THz wave optical lens, comprising:
By the temperature higher than described 4-methylpentene TPX material melting point, by described 4-methylpentene TPX heating materials to softening;
Use mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, obtain processed described THz wave optical lens.
In conjunction with the embodiment that the second of first aspect is possible, embodiments provide the third possible embodiment of first aspect, wherein, softening described 4-methylpentene TPX material is carried out thermoplastic shaping by described use mould, obtain processed described THz wave optical lens, comprising:
Adopt micro precise injection molding machine to use mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, obtain processed described THz wave optical lens.
In conjunction with the third possible embodiment of first aspect, embodiments provide the 4th kind of possible embodiment of first aspect, wherein, described mould there is binary optical micro-structural, adopt described micro precise injection molding machine to use described mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, the described THz wave optical lens processed obtained is binary optical micro-structural.
In conjunction with the 4th kind of possible embodiment of first aspect, embodiments provide the 5th kind of possible embodiment of first aspect, wherein, described mould there is anti-reflection structure, adopt described micro precise injection molding machine to use described mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, the described THz wave optical lens processed obtained is the composite microstructure lens comprising binary optical micro-structural and anti-reflection structure.
In conjunction with the 5th kind of possible embodiment of first aspect, embodiments provide the 6th kind of possible embodiment of first aspect, wherein, described anti-reflection structure is sub-wavelength anti-reflection microstructure.
In conjunction with first aspect, embodiments provide the 7th kind of possible embodiment of first aspect, wherein, described mould is take metal as host material, the structure of lithography for mating with processed described THz wave optical lens shape.
In conjunction with first aspect, embodiments provide the 8th kind of possible embodiment of first aspect, wherein, described thermoplastic shaping comprise in injection mo(u)lding, extrusion molding and blow molding any one.
In the embodiment of the present invention, abandon in prior art and retrofit has been carried out to single lens, make the mode of lens, adopt mould to carry out thermoplastic shaping dexterously and obtain THz wave optical lens, this cooked mode, makes THz wave optical lens be able to batch rapid shaping, easy to process, production efficiency is higher, realistic demand.
Further, in the embodiment of the present invention, abandon in prior art the scheme adopting polymer, High Resistivity Si etc. to make lens, select 4-methylpentene TPX material to manufacture lens, compared with other polymer, TPX material is higher than at the temperature of fusing point, viscosity is little, easily flows, therefore, TPX material adopts general thermoplastics processing forming method can be shaping, as injection mo(u)lding, extrusion molding, blow molding etc.The molding shrinkage of TPX is very little, is conducive to machine-shaping; Material is hard, has good optical manufacturing performance, in Terahertz THz field, can substitute Tsurupica super lens, but more cheaply, more easily obtain than super lens; TPX has nothing to do in the transparency of terahertz wave band and temperature, and refractive index varies with temperature very little, therefore can make " cold " window in cryostat; TPX material transmissivity is higher, and light transmittance can not change with the change of processing conditions, does not also change with product thickness, and thus, the lens transmission manufactured by TPX material is higher, translucent effect is more stable.
Further, in the embodiment of the present invention, adopt micro precise injection molding machine, also known as microminiature precise injection machine, TPX material is carried out thermoplastic shaping, fully ensure that lens formed precision, ensure that the serviceability of the lens of machine-shaping.
Further, in the embodiment of the present invention, by mould, lens are processed as binary optical micro-structural, based on binary optical characteristic, binary optical lenses has the thin characteristic of thickness while realizing element function, less on the intensity transmission impact of Terahertz THz ripple, improves lens performance.
Further, in the embodiment of the present invention, be provided with anti-reflection structure, anti-reflection structure is sub-wavelength anti-reflection microstructure, with adopt polymer anti-reflection film as anti-reflection components integers transmitance very Limited Phase ratio in prior art, sub-wavelength anti-reflection microstructure can high efficiency, significantly improve antireflective effect.
Further, in the embodiment of the present invention, sub-wavelength anti-reflection microstructure and binary optical micro-structural are combined, the THz wave optical lens of " composite microstructure " has been become by Mould Machining, significantly improve lens performance, new approaches are provided, for the large-scale promotion application of THz wave is laid a good foundation for improving THz wave element transmitance.
Further, in the embodiment of the present invention, ingenious Choice and design is carried out to lens material therefor, structure, adopted thermoplastic shaping to obtain THz wave optical lens, achieved the high efficiency of terahertz optics lens, low cost processing, realistic demand.
Embodiment of the present invention structure is simple, it is ingenious to design, it is convenient to implement, have outstanding substantive distinguishing features and marked improvement, is applicable to large-scale promotion application.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the embodiment of the present invention.The object of the embodiment of the present invention and other advantages are by realizing at write description, claims and accompanying drawing and obtaining.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
A kind of work flow schematic diagram that Fig. 1 provides for the embodiment of the present invention;
The another kind of work flow schematic diagram that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Embodiment
Terahertz THz ripple refers to that frequency is from 0.1THz to 10THz, corresponding wavelength from 3 microns to 30 microns, the electromagnetic wave between microwave and infrared band.Be with a wide range of applications because THz ripple has following basic characteristics: transient state: pulse THz ripple typical pulse-widths, in ps magnitude, can carry out time resolution research to various material easily; Broadband property: in pulse THz ripple, pulse is only containing several cycles, and bandwidth is GHz-THz, can in the spectral signature of inner analysis material on a large scale; Coherence: the computing formula of coherence length is L=λ 2/ Δ λ, because the wavelength of THz ripple is longer, so coherence length is large; Low energy: THz ripple photon energy is meV magnitude, much smaller than the photon energy of X-ray, does not have ionization damage risk to material when exposed material; Penetrability: THz ripple has very high penetrability to nonpolar megohmite insulant, this point and X-ray form complementation; Fear water-based: water has strong absorption to THz ripple, thus can carry out matter water-containing quantity research and control of product quality with THz ripple; The characteristic absorption of spectrum: the vibration of many polar molecules and rotational energy level are at terahertz wave band.
In THz wave system system, except THz wave source and THz detector, importantly to the optical element that THz ripple transmits and controls.Now, people carry out a lot with regard to the research of THz wave source and THz detector, but relatively less about the design studies of THz optical element, because THz wave-wave is long very long, diffraction effect is obvious, most importantly to the lens that THz wave diffraction effect retrains in THz system optics.How High-efficient Production THz wave optical lens has become the key factor affecting the production application of THz wave optical lens.
Based on this, as shown in Figure 1, embodiments provide a kind of THz wave optical lens processing method, comprising:
Step S100: manufacture the mould mated with processed THz wave optical lens shape;
In order to ensure Making mold precision, be preferably host material with metal, the mould that lithography mates with processed THz wave optical lens shape.
Step S101: with described mould, thermoplastic shaping is carried out to the material manufacturing the THz wave optical lens processed, obtain processed described THz wave optical lens.
It should be noted that, step S100 only carries out when manufacturing the THz wave optical lens processed for the first time, after completing Making mold, later manufacture process all only need use the mould made to carry out thermoplastic shaping to the material manufacturing the THz wave optical lens processed, and obtains processed described THz wave optical lens.
Inventor finds after deliberation, and 4-methylpentene TPX is a kind of crystalline high polymer, and except having general purpose polyolefin properties of materials, it also has very outstanding optical property, mechanical performance, resistance to elevated temperatures etc.TPX material is made up of non-polar group, thus has high permeability to THz ripple, and in addition, TPX is also higher to the light transmittance of visible ray, reaches more than 90%.The refractive index of TPX changes very little from visible light wave range to terahertz wave band, therefore can do collimated reference light with visible ray, greatly simplifies collimation and the debugging efforts of complicated terahertz optics system.Based on this, in the embodiment of the present invention, preferred lens is formed by the manufacture of 4-methylpentene TPX material.
TPX fusing point, up to 240 DEG C, is the polyolefin based materials that fusing point is the highest, and Vicat softening point, more than 170 DEG C, can use at relatively high temperatures.The density of TPX is low, and be 0.83g/cm3, refractive index is also low, is 1.463, and low-index material has lower reflection loss under not plating conditions.Higher than at the temperature of fusing point, viscosity is little, easily flows, and therefore, adopts general thermoplastics processing forming method can be shaping, as injection mo(u)lding, extrusion molding, blow molding etc.And the molding shrinkage of TPX is very little, is conducive to machine-shaping.TPX material is hard, and the optical manufacturing performance had, in THz field, can substitute Tsurupica super lens, but more cheaply, more easily obtain than it.TPX has nothing to do in the transparency of terahertz wave band and temperature, and refractive index varies with temperature very little, therefore can make " cold " window in cryostat.
Based on this, in the embodiment of the present invention, preferably use mould to carry out thermoplastic shaping to 4-methylpentene TPX material, obtain processed described THz wave optical lens.
As shown in Figure 2, preferred implementation comprises: step S200: by the temperature higher than described 4-methylpentene TPX material melting point, by described 4-methylpentene TPX heating materials to softening; Step S201: use mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, obtain processed described THz wave optical lens.
In order to fully guarantee lens formed precision, guarantee the serviceability of the lens of machine-shaping, in the embodiment of the present invention, preferably adopt micro precise injection molding machine to use mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, obtain processed described THz wave optical lens.Wherein, micro precise injection molding machine, also known as microminiature precise injection machine, can directly buy.
While carrying out above-mentioned design processing, inventor finds, the thickness of commercial lens is larger.What no matter lens adopted is polymeric material or High Resistivity Si, has certain absorption at THz wave band.Lens thickness is comparatively large, can have obvious absorption to transmitted THz ripple.In addition, the anti-reflection film that current commercial THz wave optical lens can be selected is polymer anti-reflection film, and transmitance is limited, and after plating anti-reflection film, the overall transmitance of element only has about 90%.Apply after so multiple lens transmit THz ripple, THz intensity of wave can reduce greatly, thus affects THz effect.
Inventor finds after deliberation, binary optical device has the features such as lightweight, transreplication, cost are low, and the function such as small, the array that can realize that traditional optical has been difficult to, integrated and any wavefront transformation, if lens adopt binary optical micro-structural, then can reduce lens thickness while realizing element function, thus significantly reduce lens to the impact of the intensity transmission of Terahertz THz ripple.
Based on this, preferred described mould there is binary optical micro-structural, adopt described micro precise injection molding machine to use described mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, the described THz wave optical lens processed obtained is binary optical micro-structural.
Binary optical is the emerging optical branching got up based on Diffraction of light wave theoretical developments, is that optics interpenetrates with microelectric technique, intersects and the front subject formed.The plane relief type binary optical device made based on CAD and micron order process technology has the features such as lightweight, transreplication, cost are low, because binary optical micro-structural is prior art, thus more do not speak more bright to its concrete structure in the embodiment of the present invention.
In order to improve lens antireflective effect further, preferred described mould there is anti-reflection structure, adopt described micro precise injection molding machine to use described mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, the described THz wave optical lens processed obtained is the composite microstructure lens comprising binary optical micro-structural and anti-reflection structure.
In many ways discovery is studied to the lens of binary optical micro-structural, the antireflective effect by described anti-reflection structural design being sub-wavelength anti-reflection microstructure lens is best, thus, in the embodiment of the present invention, preferred described anti-reflection structure is sub-wavelength anti-reflection microstructure, because sub-wavelength anti-reflection microstructure is prior art, thus more do not speak more bright to its concrete structure in the embodiment of the present invention.
Empirical tests, sub-wavelength anti-reflection microstructure and binary optical micro-structural are combined, the THz wave optical lens of " composite microstructure " that process, can remarkable thinning lens thickness, reduce lens to the impact of Terahertz THz ripple intensity transmission, improve anti-reflection structure transmitance, improve lens antireflective effect.
In the embodiment of the present invention, abandon in prior art and retrofit has been carried out to single lens, make the mode of lens, adopt mould to carry out thermoplastic shaping dexterously and obtain THz wave optical lens, this cooked mode, makes THz wave optical lens be able to batch rapid shaping, easy to process, production efficiency is higher, realistic demand.
In the embodiment of the present invention, abandon in prior art the scheme adopting polymer, High Resistivity Si etc. to make lens, select transmission-type lens, be " composite microstructure " by transmission-type Lens Design, namely binary optical micro-structural adds the anti-reflection micro-structural of sub-wavelength, 4-methylpentene TPX material is selected to manufacture lens dexterously, and adopt thermoplastic shaping to manufacture lens, lens are made both to have had higher antireflective effect, there is again lower generation processing cost, new approaches are provided, for the large-scale promotion application of THz wave is laid a good foundation for improving THz wave element transmitance.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (9)
1. a THz wave optical lens processing method, is characterized in that, comprising:
Use mould to carry out thermoplastic shaping to the material manufacturing the THz wave optical lens processed, obtain processed described THz wave optical lens, described mould mates with processed described THz wave optical lens shape.
2. THz wave optical lens processing method according to claim 1, it is characterized in that, the described material manufacturing the described THz wave optical lens processed is 4-methylpentene TPX material, described use mould carries out thermoplastic shaping to the material manufacturing the THz wave optical lens processed, obtain processed described THz wave optical lens, comprising:
Use mould to carry out thermoplastic shaping to 4-methylpentene TPX material, obtain processed described THz wave optical lens.
3. THz wave optical lens processing method according to claim 2, is characterized in that, described use mould carries out thermoplastic shaping to 4-methylpentene TPX material, obtains processed described THz wave optical lens, comprising:
By the temperature higher than described 4-methylpentene TPX material melting point, by described 4-methylpentene TPX heating materials to softening;
Use mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, obtain processed described THz wave optical lens.
4. THz wave optical lens processing method according to claim 3, is characterized in that, softening described 4-methylpentene TPX material is carried out thermoplastic shaping by described use mould, obtains processed described THz wave optical lens, comprising:
Adopt micro precise injection molding machine to use mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, obtain processed described THz wave optical lens.
5. THz wave optical lens processing method according to claim 4, it is characterized in that, described mould there is binary optical micro-structural, adopt described micro precise injection molding machine to use described mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, the described THz wave optical lens processed obtained is binary optical micro-structural.
6. THz wave optical lens processing method according to claim 5, it is characterized in that, described mould there is anti-reflection structure, adopt described micro precise injection molding machine to use described mould that softening described 4-methylpentene TPX material is carried out thermoplastic shaping, the described THz wave optical lens processed obtained is the composite microstructure lens comprising binary optical micro-structural and anti-reflection structure.
7. THz wave optical lens processing method according to claim 6, is characterized in that, described anti-reflection structure is sub-wavelength anti-reflection microstructure.
8. THz wave optical lens processing method according to claim 1, is characterized in that, described mould is take metal as host material, the structure of lithography for mating with processed described THz wave optical lens shape.
9. THz wave optical lens processing method according to claim 1, is characterized in that, described thermoplastic shaping comprise in injection mo(u)lding, extrusion molding and blow molding any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510290629.9A CN104875405A (en) | 2015-05-29 | 2015-05-29 | Processing method of terahertz optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510290629.9A CN104875405A (en) | 2015-05-29 | 2015-05-29 | Processing method of terahertz optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104875405A true CN104875405A (en) | 2015-09-02 |
Family
ID=53943201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510290629.9A Pending CN104875405A (en) | 2015-05-29 | 2015-05-29 | Processing method of terahertz optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104875405A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0765734A2 (en) * | 1995-09-29 | 1997-04-02 | JOHNSON & JOHNSON VISION PRODUCTS, INC. | Molding arrangement to achieve short mold cycle time |
| CN1213336A (en) * | 1996-01-18 | 1999-04-07 | 保谷株式会社 | Method of manufactureing lens, injection mold for molding of lens and molded lens |
| JPH11177123A (en) * | 1997-12-12 | 1999-07-02 | Ricoh Co Ltd | Manufacture of optical element for optical pickup |
| CN1343161A (en) * | 1999-03-25 | 2002-04-03 | 索拉国际公司 | Molding method for manufacturing thin thermoplastic lenses |
| CN103128908A (en) * | 2011-11-16 | 2013-06-05 | 埃西勒国际通用光学公司 | Ophthalmic lens containing a Fresnel-surface and method for making the same |
-
2015
- 2015-05-29 CN CN201510290629.9A patent/CN104875405A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0765734A2 (en) * | 1995-09-29 | 1997-04-02 | JOHNSON & JOHNSON VISION PRODUCTS, INC. | Molding arrangement to achieve short mold cycle time |
| CN1213336A (en) * | 1996-01-18 | 1999-04-07 | 保谷株式会社 | Method of manufactureing lens, injection mold for molding of lens and molded lens |
| JPH11177123A (en) * | 1997-12-12 | 1999-07-02 | Ricoh Co Ltd | Manufacture of optical element for optical pickup |
| CN1343161A (en) * | 1999-03-25 | 2002-04-03 | 索拉国际公司 | Molding method for manufacturing thin thermoplastic lenses |
| CN103128908A (en) * | 2011-11-16 | 2013-06-05 | 埃西勒国际通用光学公司 | Ophthalmic lens containing a Fresnel-surface and method for making the same |
Non-Patent Citations (1)
| Title |
|---|
| 胡晓堃: "《集成衍射微结构的THZ发射晶体的研究》", 《信息科技集》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chen et al. | Tunable wideband-narrowband switchable absorber based on vanadium dioxide and graphene | |
| Wu et al. | Numerical study of a wide-angle polarization-independent ultra-broadband efficient selective metamaterial absorber for near-ideal solar thermal energy conversion | |
| CN104849780A (en) | Terahertz-wave optical lens and terahertz-wave system | |
| Gao et al. | Ultra-wideband flexible transparent metamaterial with wide-angle microwave absorption and low infrared emissivity | |
| CN105470796B (en) | Infrared super continuum source in a kind of high brightness ultra wide band | |
| Niu et al. | Improved broadband spectral selectivity of absorbers/emitters for solar thermophotovoltaics based on 2D photonic crystal heterostructures | |
| Pan et al. | A review on the evolvement of optical-frequency filtering in photonic devices in 2016–2021 | |
| Wang et al. | Optimization of periodic nanostructures for enhanced light-trapping in ultra-thin photovoltaics | |
| Ma et al. | High-efficiency and ultrabroadband flexible absorbers based on transversely symmetrical multi-layer structures | |
| Tang et al. | Plasmonic wavy surface for ultrathin semiconductor black absorbers | |
| Cai et al. | Design of multilayer planar film structures for near-perfect absorption in the visible to near-infrared | |
| Pascual et al. | Total light transmittance of glass fiber-reinforced polymer laminates for multifunctional load-bearing structures | |
| Wang et al. | Optimization of epsilon-near-zero multilayers for near-perfect light absorption using an enhanced genetic algorithm | |
| Kumar et al. | Cone-shaped resonator-based highly efficient broadband metamaterial absorber | |
| Li et al. | Multi-functional terahertz metamaterials based on nano-imprinting | |
| Banerjee et al. | Spectroscopic evaluation of optical parameters of a transition metal salt filled polymer material | |
| CN104875405A (en) | Processing method of terahertz optical lens | |
| Liu et al. | Transmission and confocal imaging characteristics of bendable ABS/Ag-coated hollow waveguide at low THz band | |
| Liu et al. | Low infrared emissivity and broadband wide-angle microwave absorption integrated bi-functional camouflage metamaterial with a hexagonal patch based metasurface superstrate | |
| Liu et al. | Optimization configuration of lithograph-free solar energy absorber based on anti-reflection | |
| Wang et al. | Near-infrared narrow-band minus filter based on a Mie magnetic dipole resonance | |
| Almawgani et al. | Graphene-based highly efficient surface plasmon resonance thin film design with Zr-Cr-W multilayer structure for solar energy absorption | |
| CN104600142B (en) | Photovoltaic module | |
| Tian et al. | Semitransparent inverted organic solar cell with improved absorption and reasonable transparency perception based on the nanopatterned MoO 3/Ag/MoO 3 anode | |
| Zhang et al. | Near-infrared absorption enhancement for perovskite solar cells via the rear grating design |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150902 |