DE69511488T2 - Selektiver Infrarotdetektor - Google Patents

Selektiver Infrarotdetektor

Info

Publication number
DE69511488T2
DE69511488T2 DE69511488T DE69511488T DE69511488T2 DE 69511488 T2 DE69511488 T2 DE 69511488T2 DE 69511488 T DE69511488 T DE 69511488T DE 69511488 T DE69511488 T DE 69511488T DE 69511488 T2 DE69511488 T2 DE 69511488T2
Authority
DE
Germany
Prior art keywords
infrared detector
selective infrared
selective
detector
infrared
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
DE69511488T
Other languages
English (en)
Other versions
DE69511488D1 (de
Inventor
Yrjo Koskinen
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.)
Vaisala Oy
Original Assignee
Vaisala Oy
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 Vaisala Oy filed Critical Vaisala Oy
Application granted granted Critical
Publication of DE69511488D1 publication Critical patent/DE69511488D1/de
Publication of DE69511488T2 publication Critical patent/DE69511488T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/001—Optical devices or arrangements for the control of light using movable or deformable optical elements based on interference in an adjustable optical cavity

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE69511488T 1994-07-07 1995-07-06 Selektiver Infrarotdetektor Expired - Fee Related DE69511488T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI943251A FI98325C (fi) 1994-07-07 1994-07-07 Selektiivinen infrapunadetektori

Publications (2)

Publication Number Publication Date
DE69511488D1 DE69511488D1 (de) 1999-09-23
DE69511488T2 true DE69511488T2 (de) 2000-04-27

Family

ID=8541073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69511488T Expired - Fee Related DE69511488T2 (de) 1994-07-07 1995-07-06 Selektiver Infrarotdetektor

Country Status (5)

Country Link
US (1) US5589689A (de)
EP (1) EP0693683B1 (de)
JP (1) JPH0943051A (de)
DE (1) DE69511488T2 (de)
FI (1) FI98325C (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004013851B4 (de) * 2004-03-20 2021-06-17 Robert Bosch Gmbh Verfahren zur Herstellung eines Interferenzfilter aus alternierenden Luft-Halbleiter-Schichtsystemen sowie ein mit dem Verfahren hergestellter Infrarotfilter
EP4375629A1 (de) * 2022-11-25 2024-05-29 Murata Manufacturing Co., Ltd. Interferometer mit absorptionsschicht

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004013851B4 (de) * 2004-03-20 2021-06-17 Robert Bosch Gmbh Verfahren zur Herstellung eines Interferenzfilter aus alternierenden Luft-Halbleiter-Schichtsystemen sowie ein mit dem Verfahren hergestellter Infrarotfilter
EP4375629A1 (de) * 2022-11-25 2024-05-29 Murata Manufacturing Co., Ltd. Interferometer mit absorptionsschicht

Also Published As

Publication number Publication date
FI98325C (fi) 1997-05-26
US5589689A (en) 1996-12-31
EP0693683A1 (de) 1996-01-24
FI943251A0 (fi) 1994-07-07
FI943251A (fi) 1996-01-08
EP0693683B1 (de) 1999-08-18
JPH0943051A (ja) 1997-02-14
FI98325B (fi) 1997-02-14
DE69511488D1 (de) 1999-09-23

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