FR2626981B1 - Filtre optique a coupure franche et a tres faible coefficient de transmission au-dela - Google Patents

Filtre optique a coupure franche et a tres faible coefficient de transmission au-dela

Info

Publication number
FR2626981B1
FR2626981B1 FR8801293A FR8801293A FR2626981B1 FR 2626981 B1 FR2626981 B1 FR 2626981B1 FR 8801293 A FR8801293 A FR 8801293A FR 8801293 A FR8801293 A FR 8801293A FR 2626981 B1 FR2626981 B1 FR 2626981B1
Authority
FR
France
Prior art keywords
optical filter
transmission coefficient
low transmission
free cut
cut
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 - Fee Related
Application number
FR8801293A
Other languages
English (en)
Other versions
FR2626981A1 (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.)
LEFEVRE ANNE MARIE
Original Assignee
LEFEVRE ANNE MARIE
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 LEFEVRE ANNE MARIE filed Critical LEFEVRE ANNE MARIE
Priority to FR8801293A priority Critical patent/FR2626981B1/fr
Publication of FR2626981A1 publication Critical patent/FR2626981A1/fr
Application granted granted Critical
Publication of FR2626981B1 publication Critical patent/FR2626981B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Filters (AREA)
FR8801293A 1988-02-04 1988-02-04 Filtre optique a coupure franche et a tres faible coefficient de transmission au-dela Expired - Fee Related FR2626981B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8801293A FR2626981B1 (fr) 1988-02-04 1988-02-04 Filtre optique a coupure franche et a tres faible coefficient de transmission au-dela

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8801293A FR2626981B1 (fr) 1988-02-04 1988-02-04 Filtre optique a coupure franche et a tres faible coefficient de transmission au-dela

Publications (2)

Publication Number Publication Date
FR2626981A1 FR2626981A1 (fr) 1989-08-11
FR2626981B1 true FR2626981B1 (fr) 1992-02-14

Family

ID=9362929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8801293A Expired - Fee Related FR2626981B1 (fr) 1988-02-04 1988-02-04 Filtre optique a coupure franche et a tres faible coefficient de transmission au-dela

Country Status (1)

Country Link
FR (1) FR2626981B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9113684D0 (en) * 1991-06-25 1991-08-21 Smiths Industries Plc Display filter arrangements
CH695281A5 (de) * 1993-04-02 2006-02-28 Balzers Hochvakuum Verfahren zur Herstellung eines Filters, danach hergestellte optische Schicht, optisches Bauelement mit einer derartigen Schicht und Braeunungsanlage mit einem solchen Element.
DE19841304A1 (de) * 1998-09-10 2000-03-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Glühlampe
EP1311880B1 (fr) * 2000-08-21 2007-10-03 3M Innovative Properties Company Filtres optiques reflechissants a attenuation amelioree
US7081991B2 (en) 2003-03-14 2006-07-25 Rockwell Collins, Inc. Dye-based filter
US7481954B2 (en) 2003-03-14 2009-01-27 Rockwell Collins, Inc. Composition for a light filtering material
DE102004055081A1 (de) * 2004-11-15 2006-05-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Glühlampe mit Absorptions- und Interferenzfilter
US8016468B2 (en) 2009-11-25 2011-09-13 Osram Sylvania Inc. Signal indicator lamp assembly for a vehicle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858977A (en) * 1972-01-18 1975-01-07 Canadian Patents Dev Optical interference authenticating means
JPS6020721B2 (ja) * 1979-12-27 1985-05-23 富士写真フイルム株式会社 多色光学フイルタ−及びその製造方法
JPS60232504A (ja) * 1984-05-02 1985-11-19 Minolta Camera Co Ltd 光学フイルタ

Also Published As

Publication number Publication date
FR2626981A1 (fr) 1989-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse