IL162543A0 - Improved spatial wavefront analysisand 3d measurement - Google Patents

Improved spatial wavefront analysisand 3d measurement

Info

Publication number
IL162543A0
IL162543A0 IL16254302A IL16254302A IL162543A0 IL 162543 A0 IL162543 A0 IL 162543A0 IL 16254302 A IL16254302 A IL 16254302A IL 16254302 A IL16254302 A IL 16254302A IL 162543 A0 IL162543 A0 IL 162543A0
Authority
IL
Israel
Prior art keywords
analysisand
measurement
improved spatial
spatial wavefront
wavefront
Prior art date
Application number
IL16254302A
Other languages
English (en)
Original Assignee
Nano Or Technologies Israel Lt
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 Nano Or Technologies Israel Lt filed Critical Nano Or Technologies Israel Lt
Publication of IL162543A0 publication Critical patent/IL162543A0/xx

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
    • 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
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02083—Interferometers characterised by particular signal processing and presentation
    • G01B9/02087—Combining two or more images of the same region
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • G11B7/0051—Reproducing involving phase depth effects
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G11B7/24088—Pits for storing more than two values, i.e. multi-valued recording for data or prepits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
IL16254302A 2002-01-24 2002-10-16 Improved spatial wavefront analysisand 3d measurement IL162543A0 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US35175302P 2002-01-24 2002-01-24
US40659302P 2002-08-27 2002-08-27
PCT/IL2002/000833 WO2003062743A1 (fr) 2002-01-24 2002-10-16 Analyse spatiale amelioree d'un front d'onde et mesure en 3d

Publications (1)

Publication Number Publication Date
IL162543A0 true IL162543A0 (en) 2005-11-20

Family

ID=27616813

Family Applications (1)

Application Number Title Priority Date Filing Date
IL16254302A IL162543A0 (en) 2002-01-24 2002-10-16 Improved spatial wavefront analysisand 3d measurement

Country Status (4)

Country Link
US (2) US7609388B2 (fr)
EP (1) EP1476715B1 (fr)
IL (1) IL162543A0 (fr)
WO (1) WO2003062743A1 (fr)

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Also Published As

Publication number Publication date
EP1476715B1 (fr) 2018-10-10
EP1476715A1 (fr) 2004-11-17
US20110149298A1 (en) 2011-06-23
EP1476715A4 (fr) 2009-07-15
US7609388B2 (en) 2009-10-27
WO2003062743A1 (fr) 2003-07-31
US20050007603A1 (en) 2005-01-13

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