WO2007145118A1 - 複合光学素子 - Google Patents
複合光学素子 Download PDFInfo
- Publication number
- WO2007145118A1 WO2007145118A1 PCT/JP2007/061470 JP2007061470W WO2007145118A1 WO 2007145118 A1 WO2007145118 A1 WO 2007145118A1 JP 2007061470 W JP2007061470 W JP 2007061470W WO 2007145118 A1 WO2007145118 A1 WO 2007145118A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical
- optical element
- composite
- composite optical
- surface portion
- Prior art date
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
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
- G02B27/0037—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration with diffracting elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00269—Fresnel lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/0073—Optical laminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
- B29D11/00769—Producing diffraction gratings
-
- 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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
- G02B27/4238—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices
-
- 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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
- G02B5/1852—Manufacturing methods using mechanical means, e.g. ruling with diamond tool, moulding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
- G02B5/189—Structurally combined with optical elements not having diffractive power
- G02B5/1895—Structurally combined with optical elements not having diffractive power such optical elements having dioptric power
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
Definitions
- the present invention relates to a composite optical element, and more particularly to a composite optical element in which a second optical unit is bonded to a first optical unit.
- a composite optical element having two or more optical parts is known.
- a second optical part is bonded to the first optical part.
- Such composite optical elements are used in various optical systems. For example, they can be used as lenses by forming a diffractive structure on the joint surface.
- the diffractive structure formed on the joint surface is a slit-like or groove-like shape having a fine equidistant interval of several tens to several hundreds per minute interval (about 1 mm).
- a diffracted light beam is generated in a direction determined by the pitch (interval) of the slits and grooves and the wavelength of the light. Then, by collecting the diffracted light flux at one point, the composite optical element having such a diffractive structure can be used as a lens.
- the composite optical element is used as a lens
- a composite optical element in which a second optical part made of a resin is joined to a first optical part made of glass is used.
- This structure makes it possible to use the h-line (404. (7nm) force can also make the diffraction efficiency more than 90% in a wide wavelength range up to C-line (656.3 nm).
- Patent Document 1 Japanese Patent Laid-Open No. 11-287904
- the composite optical element has two or more optical parts, and the respective optical parts are mutually!
- the present invention has been made in view of the strong points, and its object is to provide optical characteristics. It is to provide a composite optical element capable of improving the performance.
- the composite optical element of the present invention includes a first optical unit and a second optical unit.
- the first optical unit has a first optical functional surface and has a first glass force.
- the first and second concavo-convex surface portions are present on a part of each of the first and second optical function surfaces.
- FIG. 1 is a schematic cross-sectional view of a composite optical element according to a first embodiment.
- FIG. 2 is a cross-sectional view showing a method for manufacturing a composite optical element according to Embodiment 1;
- FIG. 2 is a cross-sectional view showing a method for manufacturing a composite optical element according to Embodiment 1;
- FIG. 3 is a schematic cross-sectional view of a composite optical element that is useful for the first modification of Embodiment 1.
- FIG. 4 is a schematic cross-sectional view of a composite optical element that works on the second modification of Embodiment 1.
- FIG. 5 is a schematic cross-sectional view of a composite optical element that can be applied to the third modification of the first embodiment.
- FIG. 6 is a schematic cross-sectional view of a composite optical element that works on the fourth modification of Embodiment 1.
- FIG. 7 is a schematic cross-sectional view of a composite optical element according to the second embodiment.
- FIG. 8 is a schematic cross-sectional view of a composite optical element according to Embodiment 3.
- Embodiment 1 a compound lens is given as a specific example of a compound optical element, and its structure and molding method are shown.
- FIG. 1 is a schematic cross-sectional view showing the structure of the composite optical element 1 according to the present embodiment.
- the second optical unit 20 is bonded to the first optical unit 10 at the lens surface (first optical functional surface) 12 of the first optical unit 10.
- the first optical unit 10 also has a first glass force, and a first uneven surface portion 12 a exists on a part of the lens surface 12.
- the second optical unit 20 also has a force other than the first glass (for example, energy curing grease) and has a lens surface (second optical functional surface) 22 on the side opposite to the first bonding surface.
- a part of 22 has a second uneven surface portion 22a.
- the first and second uneven surface portions 12a and 22a are both diffractive portions formed in a sawtooth shape in cross section.
- the composite optical element 1 In the composite optical element 1 according to the present embodiment, the first and second irregularities Surface portions 12a and 22a are present on part of lens surfaces 12 and 22, respectively. For this reason, the composite optical element 1 that is effective in this embodiment has the uneven surface portion formed into a desired shape with higher accuracy than the composite optical element 1 in which the uneven surface portion exists on the entire lens surface. Degradation of optical characteristics (such as aberration and light collection rate) can be prevented.
- the first optical unit 10 is also an aspherical lens.
- the first optical unit 10 has a lens surface (third optical functional surface) 13 on the side opposite to the lens surface 12, and the lens surface 13 is formed smoothly.
- the lens surface 12 includes a first uneven surface portion 12a and a smoothly formed first smooth surface portion (not shown).
- the first concave convex surface part 12a exists around the optical axis of the first optical part 10, and specifically exists on a circumference centered on one point on the optical axis and functions as a diffraction part. To do.
- the first smooth surface portion is present at the periphery of the first uneven surface portion 12a. Therefore, in the lens surface 12, the optical pattern is different between the first uneven surface portion 12a and the first smooth surface portion.
- the second optical unit 20 is preferably made of energy-curing resin.
- the energy-curing resin is a resin that is solidified by irradiation with predetermined energy, and is, for example, an ultraviolet-curing resin, a heat-curing resin, or an electron beam-curing resin.
- the lens surface 22 includes a second uneven surface portion 22a and smoothly formed second and third smooth surface portions (both not shown). Specifically, the lens surface 22 includes a second smooth surface portion, a second uneven surface portion 22a, and a third smooth surface portion in a direction from the optical axis toward the peripheral edge, with one point on the center of the optical axis as the center. Are arranged on concentric circles. Therefore, in the lens surface 22, the optical power differs between the second smooth surface portion, the third smooth surface portion, and the second uneven surface portion 22a.
- the second uneven surface portion 22 a overlaps a part of the first uneven surface portion 12 a in the optical axis direction of the composite optical element 1. Therefore, when viewing the composite optical element 1 from below in FIG. 1, the second smooth surface portion overlaps the first uneven surface portion 12a around the optical axis of the composite optical element 1, and the second uneven surface portion 22a at the periphery. Is overlapped with the first uneven surface portion 12a, and further, at the periphery, the third smooth surface portion is overlapped with the first smooth surface portion. Accordingly, since there are three regions having different optical powers on the lower surface of the composite optical element 1 shown in FIG. 1, the composite optical element 1 can collect three lights having different wavelengths.
- FIGS. 2A to 2D are schematic sectional views showing a method for manufacturing the composite optical element 1 according to the present embodiment.
- the first optical member 55 to be the first optical unit 10 was press-molded through the steps shown in FIGS. 2 (a) and (b). Thereafter, when the composite optical element 1 is molded by pressing the resin preform 60 on the first optical member 55 in the steps shown in FIGS. Since the composite optical element 1 is manufactured using the press molding method in this way, the aspherical lens surface and the uneven surface portion having a sawtooth cross section can be molded by one molding, and the molding accuracy can be easily achieved. It can be molded well. Below, the manufacturing method is shown concretely.
- a mold for molding the first optical member 55 and a glass preform 50 are prepared.
- the glass preform 50 preferably has a shape very similar to the first optical member 55.
- the molding die has an upper die 81 and a lower die 82, and the upper die 81 and the lower die 82 have molding surfaces 81a and 82a, respectively. Since the molding surface 81a is a surface for molding the upper lens surface of the first optical member 55 (the lens surface that becomes the lens surface 13 of the first optical unit 10), it is formed smoothly.
- the molding surface 82a is a surface for molding the lower lens surface of the first optical member 55 (the lens surface serving as the lens surface 12 of the first optical unit 10).
- the first optical member 55 is molded by pressing as shown in FIG.
- the upper mold 81 and the lower mold 82 may be pressed against the glass preform 50 at the same time.
- the lower mold 82 may be pressed against the glass preform 50. May be. Then cool it down. Thereby, the first optical member 55 can be molded.
- a forming die and a resin preform for forming the second optical member 65 are prepared.
- the resin preform 60 it is preferable to use a previously melted resin which is preferably made of an energy-curing resin (for example, an ultraviolet-curing resin, a heat-curing resin, or an electron beam-curing resin).
- the soft preform temperature of the resin preform 60 is It is preferably lower than the glass transition temperature of one glass.
- the molding die has a lower die 91, and the lower die 91 has a molding surface 9 la.
- the molding surface 9 la is a surface for molding the lens surface of the second optical member 65, an uneven portion corresponding to the second uneven surface portion is formed on a part of the forming surface 91a. Then, the molten resin preform 60 is set on the molding surface 91a, and the first optical member 55 is set on the lower mold 91 such that the optical axis of the first optical member 55 and the center axis of the molding surface 91a are aligned.
- the second optical member 65 is bonded to the lower lens surface of the first optical member 55 by pressing.
- the soft temperature of the resin preform 60 is lower than the glass transition temperature of the first glass
- the first optical material on the bonded surface The deformation of the lower lens surface due to the melting of the member 55 can be prevented.
- the second optical member 65 is solidified by irradiation with predetermined energy.
- the predetermined energy is, for example, ultraviolet energy when a resin preform 60 made of ultraviolet-cured resin is used.
- the composite optical element 1 shown in FIG. 1 can be formed.
- the first uneven surface portion 12a exists in a part of the lens surface 12, and the second uneven surface portion 22a exists in a part of the lens surface 22. Therefore, the first and second concavo-convex surface portions 12a and 22a can be molded easily and with high molding accuracy as compared with a composite optical element having a concavo-convex surface portion on the entire lens surface. As a result, the optical characteristics can be improved in the composite optical element 1 according to the present embodiment.
- the composite optical element 1 that works according to the present embodiment is manufactured by using the pressing method, it can be accurately molded by a single molding. Therefore, unlike the case where the composite optical element is formed using a molding method other than the pressing method (for example, a polishing method or a grinding method), the composite optical element can be manufactured with a high manufacturing yield.
- Such a composite optical element 1 can be mounted on an optical device such as an imaging device, an illumination device, and an optical disc recording / reproducing device.
- the imaging device is a device for photographing a subject, for example, a digital still camera or a digital video camera.
- the illumination device is a device for irradiating light on an object to be illuminated, and is, for example, a projector. Also light days Recording / playback devices record and play back digital versatile discs (hereinafter referred to as DVDs), compact discs (hereinafter referred to as CDs), Blu-ray discs (registered trademarks, hereinafter referred to as BDs (registered trademarks)), etc. Device.
- DVDs, CDs, and BDs have different light source wavelengths and optical disc thicknesses for recording and playback, so that a single optical disc recording and playback device can record and playback DVDs, CDs, and BDs.
- the composite optical element 1 which is effective in the present embodiment is used, an optical disc recording / reproducing apparatus compatible with a plurality of types of information recording media can be realized.
- the shape of the first and second optical parts and the shape of the first and second uneven surface parts are not limited to the above description. The modification is shown below.
- FIG. 3 is a schematic cross-sectional view of the composite optical element 101 that works on the first modification.
- the first optical unit 110 is formed in a plate shape, and the first concave / convex surface portion 112a and the second concave / convex surface portion 122a are both diffractive portions formed in a stepped cross section. is there.
- the first optical unit 110 has a planar lens surface 112 and a lens surface 113
- the second optical unit 120 is joined to the first optical unit 110 at the lens surface 112.
- the composite optical element 101 according to this modification has the first and second uneven surface portions 112a and 122a that function as the diffractive portion as in the first embodiment, it is substantially the same as in the first embodiment. Has the same effect.
- FIG. 4 is a schematic cross-sectional view of a composite optical element 201 that works on the second modification.
- the first optical unit 110 is plate-like, like the composite optical element 101 that works according to the first modified example, but the first uneven surface part 212a and the second uneven surface part.
- 222a is a lens array portion in which a plurality of concave lenses are arranged.
- the first and second uneven surface portions 212a and 222a are lens array portions, and therefore, light having a wavelength is transmitted through the first uneven surface portion 212a and collected.
- the first concave / convex surface portion 212a and the second concave / convex surface portion 222a are overlapped with light having a wavelength ( ⁇ ⁇ ). Then, it can be focused by passing through the spot.
- FIG. 5 is a schematic cross-sectional view of a composite optical element 301 that works on the third modification.
- the composite optical element 301 according to the present modification is formed substantially the same as the composite optical element 1 according to the first embodiment, but the first uneven surface portion 12a and the second uneven surface portion 22a are both in a step-like phase. It is a step part.
- the first and second uneven surface portions 12a and 22a are phase step portions, and therefore the first uneven surface portion 12a and the first uneven surface portion 12a and the second uneven surface portion At the place where the surface portion 22a overlaps, the phase of the incident light beam can be converted.
- FIG. 6 is a schematic cross-sectional view of a composite optical element 401 that works on the fourth modification.
- the composite optical element 401 according to this modification is formed substantially the same as the composite optical element 1 according to the first embodiment, but the first uneven surface portion 12a and the second uneven surface portion 22a are both antireflection portions. .
- each of the first and second uneven surface portions 12a and 22a has a plurality of cone-shaped protrusions, and the pitch between the protrusions is substantially the same as the wavelength for preventing reflection. .
- both the first and second uneven surface portions 12a and 22a are antireflection portions, reflection of light having a wavelength of about the above pitch is prevented.
- the pitch at the first uneven surface portion 12a is different from the pitch at the second uneven surface portion 22a, reflection of two lights having different wavelengths can be prevented.
- FIG. 7 is a schematic cross-sectional view showing the configuration of the composite optical element 2 according to the second embodiment.
- the third uneven surface portion 33a also exists on a part of the lens surface 33 of the first optical portion 30 as shown in FIG. Then, the third uneven surface portion 33a may be a diffractive portion formed in a sawtooth shape in the same manner as in the first embodiment, and the first to fourth modifications may be misaligned.
- the shape can be! /
- FIG. 8 is a schematic cross-sectional view showing the configuration of the composite optical element 3 according to the third embodiment.
- the composite optical element 3 that is useful in the present embodiment further includes a third optical unit 40 as shown in FIG.
- the third optical unit 40 is bonded to the first optical unit 10 at the lens surface 13 of the first optical unit 10 described in the first embodiment.
- a lens surface (fourth optical function surface) 42 is provided on the opposite side.
- a fourth uneven surface portion 42a is present on a part of the lens surface 42.
- the fourth concavo-convex surface portion 42a may be a diffractive portion formed in a sawtooth cross-section like the third concavo-convex surface portion 33a described in the second embodiment, and may be the first to fourth modifications. In the example, it may be the shape described in some way! /.
- the present invention may have the following configurations for the first to third embodiments.
- the lens surface of the first optical unit is an aspherical surface, it may be a flat surface as described in the first and second modifications, and may be a spherical surface, a cylindrical surface, an elliptical surface, and a spherical surface. It may be a toric surface.
- the second optical part is made of energy curable resin, it may be made of thermoplastic resin.
- thermoplastic resin When molding the second optical part using thermoplastic resin, set the molten resin on the concave and convex surface part of the lower mold, press the force first optical part, and cool down when molding is completed.
- the materials of the first and second optical parts are not limited to the above materials.
- the material may be either glass or resin.
- the first and second optical parts may be mixed with impurities without affecting the optical characteristics.
- the first optical part is not limited to one formed by a press molding method, and may be one formed by etching or one formed by injection molding. Further, the second optical part may be one that is applied to the lens surface of the first optical part by a coating method such as spin coating or squeezing, and then cured.
- first and second uneven surface portions are present around the optical axis, they are not limited to the periphery of the optical axis, and may be present, for example, at the periphery. Further, two or more types of uneven surface portions may exist on the same lens surface.
- the present invention can be mounted on an optical disk recording / playback device, and in addition, an image pickup device (digital still camera, digital video camera, etc.) and a display device (projector etc.) can be mounted. is there.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Head (AREA)
- Lenses (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/304,607 US8537475B2 (en) | 2006-06-13 | 2007-06-06 | Composite optical element |
JP2008521169A JP5147693B2 (ja) | 2006-06-13 | 2007-06-06 | 複合光学素子 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006163597 | 2006-06-13 | ||
JP2006-163597 | 2006-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007145118A1 true WO2007145118A1 (ja) | 2007-12-21 |
Family
ID=38831635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/061470 WO2007145118A1 (ja) | 2006-06-13 | 2007-06-06 | 複合光学素子 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8537475B2 (ja) |
JP (1) | JP5147693B2 (ja) |
WO (1) | WO2007145118A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120008210A1 (en) * | 2010-02-26 | 2012-01-12 | Panasonic Corporation | Diffractive lens and image capture device using the same |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5683172B2 (ja) * | 2010-08-30 | 2015-03-11 | キヤノン株式会社 | 回折光学素子及び光学系 |
JP2012189995A (ja) * | 2011-02-22 | 2012-10-04 | Panasonic Corp | 回折光学素子およびそれを用いた撮像装置 |
CN102782535A (zh) * | 2011-02-22 | 2012-11-14 | 松下电器产业株式会社 | 衍射光学元件及包括该衍射光学元件的摄像装置 |
JP2012189991A (ja) * | 2011-02-23 | 2012-10-04 | Panasonic Corp | 回折光学素子およびそれを用いた撮像装置 |
JP6628137B2 (ja) * | 2016-01-20 | 2020-01-08 | パナソニックIpマネジメント株式会社 | ヘッドアップディスプレイ |
JP6786377B2 (ja) * | 2016-12-21 | 2020-11-18 | 株式会社日立製作所 | 光学部品およびそれを用いた撮像システム |
US11826935B2 (en) | 2018-03-20 | 2023-11-28 | Docter Optics Se | Method for producing a lens element |
DE102020119043A1 (de) * | 2019-10-09 | 2021-04-15 | Docter Optics Se | Verfahren zum Herstellen eines optischen Elementes, insbesondere einer Scheinwerferlinse für einen Kraftfahrzeugscheinwerfer |
US11708289B2 (en) | 2020-12-03 | 2023-07-25 | Docter Optics Se | Process for the production of an optical element from glass |
DE102022101728A1 (de) | 2021-02-01 | 2022-08-04 | Docter Optics Se | Verfahren zur Herstellung eines optischen Elementes aus Glas |
DE102021105560A1 (de) | 2021-03-08 | 2022-09-08 | Docter Optics Se | Verfahren zur Herstellung eines optischen Elementes aus Glas |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11287904A (ja) * | 1998-04-01 | 1999-10-19 | Olympus Optical Co Ltd | 回折光学素子及びその製造方法 |
JP2004240417A (ja) * | 2003-01-14 | 2004-08-26 | Nikon Corp | 光学素子及びその製造方法 |
JP2006120247A (ja) * | 2004-10-21 | 2006-05-11 | Sony Corp | 集光レンズ及びその製造方法、これを用いた露光装置、光学ピックアップ装置及び光記録再生装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69517448T2 (de) * | 1995-03-08 | 2000-10-12 | Hitachi, Ltd. | Optische aufzeichnungs- und wiedergabevorrichtung |
JP4587418B2 (ja) * | 2000-09-27 | 2010-11-24 | キヤノン株式会社 | 回折光学素子及び該回折光学素子を有する光学系 |
US20030161044A1 (en) * | 2002-02-04 | 2003-08-28 | Nikon Corporation | Diffractive optical element and method for manufacturing same |
EP1489440A4 (en) * | 2002-03-18 | 2007-02-07 | Nikon Corp | OPTICAL BENDING ELEMENT AND METHOD FOR ITS MANUFACTURE AND OPTICAL ESTABLISHMENT |
-
2007
- 2007-06-06 JP JP2008521169A patent/JP5147693B2/ja not_active Expired - Fee Related
- 2007-06-06 US US12/304,607 patent/US8537475B2/en not_active Expired - Fee Related
- 2007-06-06 WO PCT/JP2007/061470 patent/WO2007145118A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11287904A (ja) * | 1998-04-01 | 1999-10-19 | Olympus Optical Co Ltd | 回折光学素子及びその製造方法 |
JP2004240417A (ja) * | 2003-01-14 | 2004-08-26 | Nikon Corp | 光学素子及びその製造方法 |
JP2006120247A (ja) * | 2004-10-21 | 2006-05-11 | Sony Corp | 集光レンズ及びその製造方法、これを用いた露光装置、光学ピックアップ装置及び光記録再生装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120008210A1 (en) * | 2010-02-26 | 2012-01-12 | Panasonic Corporation | Diffractive lens and image capture device using the same |
Also Published As
Publication number | Publication date |
---|---|
JP5147693B2 (ja) | 2013-02-20 |
US8537475B2 (en) | 2013-09-17 |
US20090323502A1 (en) | 2009-12-31 |
JPWO2007145118A1 (ja) | 2009-10-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007145118A1 (ja) | 複合光学素子 | |
JP4210265B2 (ja) | ハイブリッドレンズの製造方法 | |
JP5159621B2 (ja) | 複合レンズおよびその製造方法 | |
JP4287428B2 (ja) | ハイブリッドレンズユニット及びハイブリッドレンズアレイ | |
JP4672058B2 (ja) | 複合光学素子 | |
KR100853061B1 (ko) | 광학 부품의 제조 장치 | |
JP5147694B2 (ja) | 複合光学素子 | |
JP2004029050A (ja) | 光記録媒体再生用対物レンズおよび光記録媒体再生装置 | |
WO2007132834A1 (ja) | 複合光学素子 | |
WO2007145116A1 (ja) | 複合光学素子およびその製造方法 | |
WO2007145119A1 (ja) | 複合光学素子 | |
JP2007333859A (ja) | 複合光学素子及びその製造方法 | |
JP2008203580A (ja) | 複合光学素子 | |
JP2003232997A (ja) | 接合対物レンズ,光ディスク用対物光学系,及び、接合対物レンズの製造方法 | |
JP2008151836A (ja) | 光学素子 | |
WO2007132833A1 (ja) | 複合レンズおよびその製造方法 | |
JP2007310000A (ja) | 複合光学素子 | |
JP2004256381A (ja) | 光学素子成形方法、光学素子成形用の成形型及び光学素子 | |
JP2004020905A (ja) | 光学部品の製造方法 | |
JP2010160860A (ja) | 複合光学素子、複合光学素子を備えた光ピックアップ | |
JP2010160859A (ja) | 複合光学素子、複合光学素子を備えた光ピックアップ | |
JP2006023621A (ja) | 光学素子の成形方法及び光学素子 | |
JP2008216407A (ja) | 光学素子 | |
JP2008145736A (ja) | 複合光学素子 |
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: 07744813 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2008521169 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12304607 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 07744813 Country of ref document: EP Kind code of ref document: A1 |