CH551631A - OPTICAL FILTER FOR WAVELENGTHS IN THE INFRARED AND NEAR INFRARED AREAS. - Google Patents

OPTICAL FILTER FOR WAVELENGTHS IN THE INFRARED AND NEAR INFRARED AREAS.

Info

Publication number
CH551631A
CH551631A CH1035670A CH1035670A CH551631A CH 551631 A CH551631 A CH 551631A CH 1035670 A CH1035670 A CH 1035670A CH 1035670 A CH1035670 A CH 1035670A CH 551631 A CH551631 A CH 551631A
Authority
CH
Switzerland
Prior art keywords
infrared
wavelengths
optical filter
areas
near infrared
Prior art date
Application number
CH1035670A
Other languages
German (de)
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of CH551631A publication Critical patent/CH551631A/en

Links

Classifications

    • 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)
  • Compositions Of Macromolecular Compounds (AREA)
CH1035670A 1969-08-28 1970-07-08 OPTICAL FILTER FOR WAVELENGTHS IN THE INFRARED AND NEAR INFRARED AREAS. CH551631A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85363669A 1969-08-28 1969-08-28

Publications (1)

Publication Number Publication Date
CH551631A true CH551631A (en) 1974-07-15

Family

ID=25316543

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1035670A CH551631A (en) 1969-08-28 1970-07-08 OPTICAL FILTER FOR WAVELENGTHS IN THE INFRARED AND NEAR INFRARED AREAS.

Country Status (5)

Country Link
CH (1) CH551631A (en)
DE (1) DE2033339A1 (en)
FR (1) FR2063145A7 (en)
IL (1) IL34589A (en)
NL (1) NL7009319A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706067A1 (en) * 1994-09-07 1996-04-10 Kureha Kagaku Kogyo Kabushiki Kaisha Plastic optical filter
US5672655A (en) * 1994-09-13 1997-09-30 Kureha Kagaku Kogyo Kabushiki Kaisha Plastic optical material and production process thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2646424A1 (en) * 1976-10-14 1978-04-20 Siemens Ag FILTER FOR PHOTODETECTORS
FR2491219A1 (en) * 1980-09-30 1982-04-02 Commissariat Energie Atomique Solar radiation filtration device - comprises gellable soln. of absorbing salt, e.g. copper sulphate or chloride, used e.g. in greenhouse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706067A1 (en) * 1994-09-07 1996-04-10 Kureha Kagaku Kogyo Kabushiki Kaisha Plastic optical filter
US5672655A (en) * 1994-09-13 1997-09-30 Kureha Kagaku Kogyo Kabushiki Kaisha Plastic optical material and production process thereof

Also Published As

Publication number Publication date
IL34589A0 (en) 1970-07-19
NL7009319A (en) 1971-03-02
FR2063145A7 (en) 1971-07-09
IL34589A (en) 1973-01-30
DE2033339A1 (en) 1971-03-04
FR2063145B3 (en) 1973-06-08

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Legal Events

Date Code Title Description
PL Patent ceased