SG11202112799QA - An imaging system and a light encoding device therefor - Google Patents

An imaging system and a light encoding device therefor

Info

Publication number
SG11202112799QA
SG11202112799QA SG11202112799QA SG11202112799QA SG11202112799QA SG 11202112799Q A SG11202112799Q A SG 11202112799QA SG 11202112799Q A SG11202112799Q A SG 11202112799QA SG 11202112799Q A SG11202112799Q A SG 11202112799QA SG 11202112799Q A SG11202112799Q A SG 11202112799QA
Authority
SG
Singapore
Prior art keywords
imaging system
encoding device
device therefor
light encoding
light
Prior art date
Application number
SG11202112799QA
Inventor
Guangya Zhou
Yu Du
Koon Lin Cheo
Fook Siong Chau
Original Assignee
Nat Univ Singapore
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 Nat Univ Singapore filed Critical Nat Univ Singapore
Publication of SG11202112799QA publication Critical patent/SG11202112799QA/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/2846—Investigating the spectrum using modulation grid; Grid spectrometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/2823—Imaging spectrometer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0229—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using masks, aperture plates, spatial light modulators or spatial filters, e.g. reflective filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0256—Compact construction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/06—Scanning arrangements arrangements for order-selection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
    • 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
    • G02B27/46—Systems using spatial filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J2003/1204—Grating and filter
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B2207/00—Coding scheme for general features or characteristics of optical elements and systems of subclass G02B, but not including elements and systems which would be classified in G02B6/00 and subgroups
    • G02B2207/129—Coded aperture imaging

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectrometry And Color Measurement (AREA)
SG11202112799QA 2019-07-26 2020-07-27 An imaging system and a light encoding device therefor SG11202112799QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201906945W 2019-07-26
PCT/SG2020/050430 WO2021021020A1 (en) 2019-07-26 2020-07-27 An imaging system and a light encoding device therefor

Publications (1)

Publication Number Publication Date
SG11202112799QA true SG11202112799QA (en) 2021-12-30

Family

ID=74230855

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202112799QA SG11202112799QA (en) 2019-07-26 2020-07-27 An imaging system and a light encoding device therefor

Country Status (4)

Country Link
US (1) US20220307903A1 (en)
CN (1) CN114207392A (en)
SG (1) SG11202112799QA (en)
WO (1) WO2021021020A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023009069A2 (en) * 2021-07-26 2023-02-02 National University Of Singapore Cascaded, self-calibrated, single-pixel infrared hadamard transform spectrometer
US20230185084A1 (en) * 2021-12-15 2023-06-15 Beijing Voyager Technology Co., Ltd. Hadamard mask for improving detection resolution during a scanning procedure of an optical sensing system
US11906358B2 (en) * 2021-12-15 2024-02-20 Beijing Voyager Technology Co., Ltd. Receiver with a Hadamard mask for improving detection resolution during a scanning procedure of an optical sensing system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720469A (en) * 1971-01-25 1973-03-13 Spectral Imaging Inc Spectrometric imager
DE3045156C2 (en) * 1980-12-01 1983-12-08 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Device for spectral analysis
JP3799092B2 (en) * 1995-12-29 2006-07-19 アジレント・テクノロジーズ・インク Light modulation device and display device
US7180588B2 (en) * 1999-04-09 2007-02-20 Plain Sight Systems, Inc. Devices and method for spectral measurements
US7339170B2 (en) * 2003-07-16 2008-03-04 Shrenik Deliwala Optical encoding and reconstruction
DE102007047010B4 (en) * 2007-10-01 2010-05-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Micromechanical device for modulation of electromagnetic radiation and optical system with the same
AU2015309700A1 (en) * 2014-08-29 2017-03-30 Commonwealth Scientific And Industrial Research Organisation Imaging method and apparatus
CN107655570B (en) * 2017-09-12 2020-01-10 安徽理工大学 Synchronous mobile mechanical template type Hadamard spectrometer

Also Published As

Publication number Publication date
US20220307903A1 (en) 2022-09-29
CN114207392A (en) 2022-03-18
WO2021021020A1 (en) 2021-02-04

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