SG11202013228XA - Metasurfaces for laser speckle reduction - Google Patents
Metasurfaces for laser speckle reductionInfo
- Publication number
- SG11202013228XA SG11202013228XA SG11202013228XA SG11202013228XA SG11202013228XA SG 11202013228X A SG11202013228X A SG 11202013228XA SG 11202013228X A SG11202013228X A SG 11202013228XA SG 11202013228X A SG11202013228X A SG 11202013228XA SG 11202013228X A SG11202013228X A SG 11202013228XA
- Authority
- SG
- Singapore
- Prior art keywords
- metasurfaces
- laser speckle
- speckle reduction
- reduction
- laser
- 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
- G02B27/48—Laser speckle optics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/002—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/0006—Coupling light into the fibre
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0225—Out-coupling of light
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18386—Details of the emission surface for influencing the near- or far-field, e.g. a grating on the surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/42—Arrays of surface emitting lasers
- H01S5/423—Arrays of surface emitting lasers having a vertical cavity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0425—Electrodes, e.g. characterised by the structure
- H01S5/04256—Electrodes, e.g. characterised by the structure characterised by the configuration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Semiconductor Lasers (AREA)
- Projection Apparatus (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862693065P | 2018-07-02 | 2018-07-02 | |
| PCT/US2019/040302 WO2020010084A1 (en) | 2018-07-02 | 2019-07-02 | Metasurfaces for laser speckle reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202013228XA true SG11202013228XA (en) | 2021-01-28 |
Family
ID=69059931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202013228XA SG11202013228XA (en) | 2018-07-02 | 2019-07-02 | Metasurfaces for laser speckle reduction |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20210263329A1 (en) |
| EP (1) | EP3799626A4 (en) |
| KR (1) | KR20210088520A (en) |
| CN (1) | CN113168022A (en) |
| SG (1) | SG11202013228XA (en) |
| WO (1) | WO2020010084A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3676973A4 (en) | 2017-08-31 | 2021-05-05 | Metalenz, Inc. | Transmissive metasurface lens integration |
| US11978752B2 (en) | 2019-07-26 | 2024-05-07 | Metalenz, Inc. | Aperture-metasurface and hybrid refractive-metasurface imaging systems |
| CN114265130B (en) * | 2021-12-31 | 2023-05-05 | 济南大学 | Transreflective light modulation and control device based on all-dielectric super-surface and working method thereof |
| US11927769B2 (en) | 2022-03-31 | 2024-03-12 | Metalenz, Inc. | Polarization sorting metasurface microlens array device |
| WO2023232818A1 (en) * | 2022-06-03 | 2023-12-07 | Nil Technology Aps | Optical elements providing collimation and fan-out or diffusion |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100259804A1 (en) * | 2007-12-03 | 2010-10-14 | Seereal Technologies S.A. | Illumination Unit Comprising an Optical Wave Guide and an Imaging Means |
| US8152307B2 (en) * | 2009-12-21 | 2012-04-10 | Microvision, Inc. | Diffractive optical element having periodically repeating phase mask and system for reducing perceived speckle |
| TWI527062B (en) * | 2011-09-27 | 2016-03-21 | Ｌｇ化學股份有限公司 | Transparent conducting substrate and method for preparing the same |
| US8743923B2 (en) * | 2012-01-31 | 2014-06-03 | Flir Systems Inc. | Multi-wavelength VCSEL array to reduce speckle |
| US9625637B2 (en) * | 2012-08-13 | 2017-04-18 | 3M Innovative Properties Company | Diffractive lighting devices with 3-dimensional appearance |
| US9995930B2 (en) | 2015-04-08 | 2018-06-12 | Samsung Electronics Co., Ltd. | Focusing device comprising a plurality of scatterers and beam scanner and scope device |
| US20170235162A1 (en) * | 2015-07-13 | 2017-08-17 | Purdue Research Foundation | Time-varying metasurface structure |
| US11231544B2 (en) * | 2015-11-06 | 2022-01-25 | Magic Leap, Inc. | Metasurfaces for redirecting light and methods for fabricating |
| JP6993405B2 (en) * | 2016-08-22 | 2022-01-13 | マジック リープ， インコーポレイテッド | Dithering methods and equipment for wearable display devices |
| US20180129866A1 (en) * | 2016-11-10 | 2018-05-10 | Intel Corporation | Meta illuminator |
| EP3676973A4 (en) * | 2017-08-31 | 2021-05-05 | Metalenz, Inc. | Transmissive metasurface lens integration |
| US11353626B2 (en) * | 2018-02-05 | 2022-06-07 | Samsung Electronics Co., Ltd. | Meta illuminator |
-
2019
- 2019-07-02 SG SG11202013228XA patent/SG11202013228XA/en unknown
- 2019-07-02 CN CN201980057425.7A patent/CN113168022A/en active Pending
- 2019-07-02 EP EP19830958.5A patent/EP3799626A4/en active Pending
- 2019-07-02 WO PCT/US2019/040302 patent/WO2020010084A1/en unknown
- 2019-07-02 US US17/255,918 patent/US20210263329A1/en active Pending
- 2019-07-02 KR KR1020217002672A patent/KR20210088520A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP3799626A1 (en) | 2021-04-07 |
| WO2020010084A1 (en) | 2020-01-09 |
| KR20210088520A (en) | 2021-07-14 |
| US20210263329A1 (en) | 2021-08-26 |
| CN113168022A (en) | 2021-07-23 |
| EP3799626A4 (en) | 2022-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IL279635A (en) | Laser radar | |
| GB201716780D0 (en) | Laser system | |
| SG11202013228XA (en) | Metasurfaces for laser speckle reduction | |
| GB2553719B (en) | Laser component | |
| GB2586512B (en) | Holographic projection | |
| CA208970S (en) | Mirror | |
| GB2542117B (en) | Laser projection device | |
| GB2578523B (en) | Holographic projection | |
| GB2586511B (en) | Holographic projector | |
| PL3686692T3 (en) | Holographic projector | |
| GB2582370B (en) | Holographic projector | |
| GB201614571D0 (en) | Speckle reduction | |
| CA192919S (en) | Beam | |
| GB2586131B (en) | Holographic projector | |
| LT3660987T (en) | Laser device | |
| SG11202104145XA (en) | Paralimbal laser probe | |
| EP3855586A4 (en) | Laser device | |
| GB2580849B (en) | A laser | |
| IL276543A (en) | A laser | |
| AU201816632S (en) | Laser level | |
| ZAF201801591S (en) | Beam | |
| ZAF201801592S (en) | Beam | |
| ZAF201801593S (en) | Beam | |
| ZAF201801034S (en) | Beam | |
| ZAF201801033S (en) | Beam |