DE3264603D1 - Optical fourier transform device and optical correlator using the same - Google Patents

Optical fourier transform device and optical correlator using the same

Info

Publication number
DE3264603D1
DE3264603D1 DE8282400164T DE3264603T DE3264603D1 DE 3264603 D1 DE3264603 D1 DE 3264603D1 DE 8282400164 T DE8282400164 T DE 8282400164T DE 3264603 T DE3264603 T DE 3264603T DE 3264603 D1 DE3264603 D1 DE 3264603D1
Authority
DE
Germany
Prior art keywords
optical
same
fourier transform
transform device
correlator
Prior art date
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
DE8282400164T
Other languages
English (en)
Inventor
Laurence Pichon
Jean-Pierre Huignard
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE3264603D1 publication Critical patent/DE3264603D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
    • G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
    • G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements
    • G06E3/003—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
DE8282400164T 1981-02-06 1982-01-28 Optical fourier transform device and optical correlator using the same Expired DE3264603D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8102410A FR2499735A1 (fr) 1981-02-06 1981-02-06 Dispositif optique transformateur de fourier et correlateur optique mettant en oeuvre ce dispositif optique transformateur de fourier

Publications (1)

Publication Number Publication Date
DE3264603D1 true DE3264603D1 (en) 1985-08-14

Family

ID=9254937

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282400164T Expired DE3264603D1 (en) 1981-02-06 1982-01-28 Optical fourier transform device and optical correlator using the same

Country Status (5)

Country Link
US (1) US4514038A (de)
EP (1) EP0058592B1 (de)
JP (1) JPS57148720A (de)
DE (1) DE3264603D1 (de)
FR (1) FR2499735A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556950A (en) * 1983-09-02 1985-12-03 Environmental Research Institute Of Michigan Incoherent optical processor
GB2154092A (en) * 1984-02-07 1985-08-29 Standard Telephones Cables Ltd Optical correlator
ATE74674T1 (de) * 1984-11-14 1992-04-15 Northern Telecom Ltd Zweidimensionales optisches informationsverarbeitungsgeraet.
US4695973A (en) * 1985-10-22 1987-09-22 The United States Of America As Represented By The Secretary Of The Air Force Real-time programmable optical correlator
US4723222A (en) * 1986-06-27 1988-02-02 The United States Of America As Represented By The Secretary Of The Air Force Optical correlator for analysis of random fields
US4932741A (en) * 1988-07-20 1990-06-12 Grumman Aerospace Corporation Optical correlator system
JPH0830830B2 (ja) * 1988-09-07 1996-03-27 セイコー電子工業株式会社 光学的相関処理装置
IT1232051B (it) * 1989-03-24 1992-01-23 Cselt Centro Studi Lab Telecom Dispositivo per la correlazione fra fasci ottici
US5107351A (en) * 1990-02-16 1992-04-21 Grumman Aerospace Corporation Image enhanced optical correlator system
US5233554A (en) * 1990-09-10 1993-08-03 United Technologies Corporation Programmable optical correlator
FR2681988A1 (fr) * 1991-09-27 1993-04-02 Thomson Csf Laser de puissance a deflexion.
FR2696014B1 (fr) * 1992-09-18 1994-11-04 Thomson Csf Miroir à conjugaison de phase.
FR2755516B1 (fr) 1996-11-05 1999-01-22 Thomson Csf Dispositif compact d'illumination
ES2147714B1 (es) * 1998-11-26 2001-04-01 Univ Madrid Politecnica Transformador de fourier de señales opticas en el dominio temporal, basado en redes de difraccion en fibra.
FR2819061B1 (fr) * 2000-12-28 2003-04-11 Thomson Csf Dispositif de controle de polarisation dans une liaison optique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362466A1 (fr) * 1976-08-19 1978-03-17 Thomson Csf Cellule d'enregistrement holographique, memoire et dispositif de calcul optique utilisant une telle cellule
FR2468947A1 (fr) * 1979-11-05 1981-05-08 Thomson Csf Systeme de correlation optique en temps reel

Also Published As

Publication number Publication date
EP0058592B1 (de) 1985-07-10
FR2499735A1 (fr) 1982-08-13
EP0058592A1 (de) 1982-08-25
JPS57148720A (en) 1982-09-14
US4514038A (en) 1985-04-30
FR2499735B1 (de) 1985-02-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee