FR2767018B1 - Reseau bi-periodique a proprietes optiques optimisees - Google Patents

Reseau bi-periodique a proprietes optiques optimisees

Info

Publication number
FR2767018B1
FR2767018B1 FR9709646A FR9709646A FR2767018B1 FR 2767018 B1 FR2767018 B1 FR 2767018B1 FR 9709646 A FR9709646 A FR 9709646A FR 9709646 A FR9709646 A FR 9709646A FR 2767018 B1 FR2767018 B1 FR 2767018B1
Authority
FR
France
Prior art keywords
zones
doped
electrical conductivity
materials
silicon
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 - Lifetime
Application number
FR9709646A
Other languages
English (en)
Other versions
FR2767018A1 (fr
Inventor
Franck Normand
Gerard Berginc
Frederic Guerin
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
Priority to FR9709646A priority Critical patent/FR2767018B1/fr
Priority to GB9816439A priority patent/GB2329527B/en
Publication of FR2767018A1 publication Critical patent/FR2767018A1/fr
Application granted granted Critical
Publication of FR2767018B1 publication Critical patent/FR2767018B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems

Landscapes

  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Glass Compositions (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Optical Integrated Circuits (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
FR9709646A 1997-07-29 1997-07-29 Reseau bi-periodique a proprietes optiques optimisees Expired - Lifetime FR2767018B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9709646A FR2767018B1 (fr) 1997-07-29 1997-07-29 Reseau bi-periodique a proprietes optiques optimisees
GB9816439A GB2329527B (en) 1997-07-29 1998-07-28 Bi-periodic optical grating with optimised properties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9709646A FR2767018B1 (fr) 1997-07-29 1997-07-29 Reseau bi-periodique a proprietes optiques optimisees

Publications (2)

Publication Number Publication Date
FR2767018A1 FR2767018A1 (fr) 1999-02-05
FR2767018B1 true FR2767018B1 (fr) 1999-10-29

Family

ID=9509763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9709646A Expired - Lifetime FR2767018B1 (fr) 1997-07-29 1997-07-29 Reseau bi-periodique a proprietes optiques optimisees

Country Status (2)

Country Link
FR (1) FR2767018B1 (fr)
GB (1) GB2329527B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2793645B1 (fr) * 1999-05-11 2001-08-10 Thomson Csf Structure inductive grillagee
FR2967506A1 (fr) 2010-11-16 2012-05-18 Thales Sa Hublot optronique transparent ir et reflechissant rf

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353069A (en) * 1980-09-10 1982-10-05 Handel Peter H Absorptive coating for the reduction of the reflective cross section of metallic surfaces and control capabilities therefor
GB2158995A (en) * 1984-02-18 1985-11-20 Pa Consulting Services Improvements in and relating to the absorption of electromagnetic radiation
US4555162A (en) * 1984-03-05 1985-11-26 Itek Corporation Method of fabricating long period optical grating
US5223849A (en) * 1986-11-25 1993-06-29 Chomerics, Inc. Broadband electromagnetic energy absorber

Also Published As

Publication number Publication date
GB2329527B (en) 2002-06-05
GB9816439D0 (en) 1998-09-23
FR2767018A1 (fr) 1999-02-05
GB2329527A (en) 1999-03-24

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