FR2222650B3 - - Google Patents

Info

Publication number
FR2222650B3
FR2222650B3 FR7410011A FR7410011A FR2222650B3 FR 2222650 B3 FR2222650 B3 FR 2222650B3 FR 7410011 A FR7410011 A FR 7410011A FR 7410011 A FR7410011 A FR 7410011A FR 2222650 B3 FR2222650 B3 FR 2222650B3
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7410011A
Other versions
FR2222650A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rank Organization Ltd
Original Assignee
Rank Organization Ltd
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 Rank Organization Ltd filed Critical Rank Organization Ltd
Publication of FR2222650A1 publication Critical patent/FR2222650A1/fr
Application granted granted Critical
Publication of FR2222650B3 publication Critical patent/FR2222650B3/fr
Expired legal-status Critical Current

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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
FR7410011A 1973-03-22 1974-03-22 Expired FR2222650B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1383173A GB1411655A (en) 1973-03-22 1973-03-22 Optical diffractometers

Publications (2)

Publication Number Publication Date
FR2222650A1 FR2222650A1 (fr) 1974-10-18
FR2222650B3 true FR2222650B3 (fr) 1977-01-07

Family

ID=10030170

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7410011A Expired FR2222650B3 (fr) 1973-03-22 1974-03-22

Country Status (6)

Country Link
US (1) US3927253A (fr)
JP (1) JPS5027554A (fr)
DE (1) DE2413690A1 (fr)
FR (1) FR2222650B3 (fr)
GB (1) GB1411655A (fr)
ZA (1) ZA741869B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32660E (en) * 1982-04-19 1988-05-03 Siscan Systems, Inc. Confocal optical imaging system with improved signal-to-noise ratio
US4634880A (en) * 1982-04-19 1987-01-06 Siscan Systems, Inc. Confocal optical imaging system with improved signal-to-noise ratio
US6750968B2 (en) * 2000-10-03 2004-06-15 Accent Optical Technologies, Inc. Differential numerical aperture methods and device
CN102528293A (zh) * 2012-01-11 2012-07-04 广东省南方彩色制版有限公司 一种可调深度的印刷模版飞秒激光打孔装置
US10571334B2 (en) 2017-12-15 2020-02-25 Horiba Instruments Incorporated System and method for selective resolution for concave grating spectrometer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045531A (en) * 1956-04-05 1962-07-24 Walter G Finch Optical grating
US3451755A (en) * 1964-08-05 1969-06-24 Us Air Force Particle size and distribution analysis using spatial filtering techniques
US3520610A (en) * 1965-03-08 1970-07-14 Technical Operations Inc Particle distribution readout using holographic methods
US3480933A (en) * 1966-10-12 1969-11-25 Ampex Spatial filtering noise reduction scheme for a magnetooptic readout system
US3409872A (en) * 1966-12-05 1968-11-05 Exxon Production Research Co Optical diffraction system for analyzing and processing seismic data
US3435411A (en) * 1967-08-29 1969-03-25 Mobil Oil Corp Seismic wavelength filtering in optical data processing
US3729252A (en) * 1970-06-05 1973-04-24 Eastman Kodak Co Optical spatial filtering with multiple light sources
US3729634A (en) * 1971-09-20 1973-04-24 Recognition Systems Automatic beam ratio control system for holography
US3816647A (en) * 1972-04-05 1974-06-11 Northrop Corp Optical correlation of scanned real-time signals

Also Published As

Publication number Publication date
ZA741869B (en) 1975-03-26
DE2413690A1 (de) 1974-10-17
US3927253A (en) 1975-12-16
JPS5027554A (fr) 1975-03-20
GB1411655A (en) 1975-10-29
FR2222650A1 (fr) 1974-10-18

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Legal Events

Date Code Title Description
ST Notification of lapse