SG11202113373TA - Spectrometer and method of detecting an electromagnetic (em) wave spectrum - Google Patents

Spectrometer and method of detecting an electromagnetic (em) wave spectrum

Info

Publication number
SG11202113373TA
SG11202113373TA SG11202113373TA SG11202113373TA SG11202113373TA SG 11202113373T A SG11202113373T A SG 11202113373TA SG 11202113373T A SG11202113373T A SG 11202113373TA SG 11202113373T A SG11202113373T A SG 11202113373TA SG 11202113373T A SG11202113373T A SG 11202113373TA
Authority
SG
Singapore
Prior art keywords
spectrometer
electromagnetic
detecting
wave spectrum
spectrum
Prior art date
Application number
SG11202113373TA
Inventor
Guangya Zhou
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 SG11202113373TA publication Critical patent/SG11202113373TA/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
    • G01J3/02—Details
    • G01J3/0272—Handheld
    • 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
    • G01J3/021—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using plane or convex mirrors, parallel phase plates, or particular reflectors
    • 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
    • G01J3/0216—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using light concentrators or collectors or condensers
    • 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
    • G01J3/04—Slit arrangements slit adjustment
    • 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
    • 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
    • G01J3/04—Slit arrangements slit adjustment
    • G01J2003/045—Sequential slits; Multiple slits
    • 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
    • G01J2003/061—Mechanisms, e.g. sine bar

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
SG11202113373TA 2019-08-13 2020-08-11 Spectrometer and method of detecting an electromagnetic (em) wave spectrum SG11202113373TA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201907423S 2019-08-13
PCT/SG2020/050464 WO2021029827A1 (en) 2019-08-13 2020-08-11 Spectrometer and method of detecting an electromagnetic (em) wave spectrum

Publications (1)

Publication Number Publication Date
SG11202113373TA true SG11202113373TA (en) 2021-12-30

Family

ID=74571274

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202113373TA SG11202113373TA (en) 2019-08-13 2020-08-11 Spectrometer and method of detecting an electromagnetic (em) wave spectrum

Country Status (4)

Country Link
US (1) US20220381611A1 (en)
CN (1) CN114072642A (en)
SG (1) SG11202113373TA (en)
WO (1) WO2021029827A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4377645A2 (en) * 2021-07-26 2024-06-05 National University of Singapore Cascaded, self-calibrated, single-pixel infrared hadamard transform spectrometer
WO2023033744A2 (en) * 2021-09-06 2023-03-09 National University Of Singapore Spectrometer and method of detecting a spectrum
CN114279564B (en) * 2021-12-23 2024-04-30 中国科学院国家空间科学中心 Parallel compressed sensing computed tomography spectrometer and imaging spectrum reconstruction method thereof

Family Cites Families (5)

* 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
US5416325A (en) * 1993-04-29 1995-05-16 Arch Development Corporation Fourier transform infrared spectrometer
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
CN103090971B (en) * 2013-01-24 2014-12-31 中国科学院空间科学与应用研究中心 Ultra-sensitive time resolution imaging spectrometer and time resolution imaging method thereof
US8922769B2 (en) * 2013-03-12 2014-12-30 Thermo Scientific Portable Analytical Instruments Inc. High resolution MEMS-based Hadamard spectroscopy

Also Published As

Publication number Publication date
US20220381611A1 (en) 2022-12-01
WO2021029827A1 (en) 2021-02-18
CN114072642A (en) 2022-02-18

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