IL279500B - Measuring technique for refractive index inhomogeneity between plates of a light guide optical element (loe) - Google Patents

Measuring technique for refractive index inhomogeneity between plates of a light guide optical element (loe)

Info

Publication number
IL279500B
IL279500B IL279500A IL27950020A IL279500B IL 279500 B IL279500 B IL 279500B IL 279500 A IL279500 A IL 279500A IL 27950020 A IL27950020 A IL 27950020A IL 279500 B IL279500 B IL 279500B
Authority
IL
Israel
Prior art keywords
plates
fringes
interferogram
deviation
light
Prior art date
Application number
IL279500A
Other languages
English (en)
Hebrew (he)
Other versions
IL279500A (en
Inventor
Jonathan Gelberg
Yuval Rubin
Michael Adel
Original Assignee
Lumus Ltd
Jonathan Gelberg
Yuval Rubin
Michael Adel
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 Lumus Ltd, Jonathan Gelberg, Yuval Rubin, Michael Adel filed Critical Lumus Ltd
Publication of IL279500A publication Critical patent/IL279500A/en
Publication of IL279500B publication Critical patent/IL279500B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • 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
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • 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
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J9/0215—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods by shearing interferometric methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0207—Details of measuring devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0228—Testing optical properties by measuring refractive power
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/35—Testing of optical devices, constituted by fibre optics or optical waveguides in which light is transversely coupled into or out of the fibre or waveguide, e.g. using integrating spheres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/37—Testing of optical devices, constituted by fibre optics or optical waveguides in which light is projected perpendicularly to the axis of the fibre or waveguide for monitoring a section thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
IL279500A 2018-06-21 2019-06-20 Measuring technique for refractive index inhomogeneity between plates of a light guide optical element (loe) IL279500B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862687833P 2018-06-21 2018-06-21
PCT/IB2019/055207 WO2019244093A1 (en) 2018-06-21 2019-06-20 Measurement technique for refractive index inhomogeneity between plates of a lightguide optical element (loe)

Publications (2)

Publication Number Publication Date
IL279500A IL279500A (en) 2021-01-31
IL279500B true IL279500B (en) 2022-09-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
IL279500A IL279500B (en) 2018-06-21 2019-06-20 Measuring technique for refractive index inhomogeneity between plates of a light guide optical element (loe)

Country Status (9)

Country Link
US (1) US11454590B2 (cg-RX-API-DMAC7.html)
EP (1) EP3807620B1 (cg-RX-API-DMAC7.html)
JP (1) JP7381090B2 (cg-RX-API-DMAC7.html)
KR (1) KR102775254B1 (cg-RX-API-DMAC7.html)
CN (2) CN119595595A (cg-RX-API-DMAC7.html)
IL (1) IL279500B (cg-RX-API-DMAC7.html)
MY (1) MY207547A (cg-RX-API-DMAC7.html)
TW (1) TWI819008B (cg-RX-API-DMAC7.html)
WO (1) WO2019244093A1 (cg-RX-API-DMAC7.html)

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