JPS51135585A - Photodetector for spectro-photometer - Google Patents

Photodetector for spectro-photometer

Info

Publication number
JPS51135585A
JPS51135585A JP5616075A JP5616075A JPS51135585A JP S51135585 A JPS51135585 A JP S51135585A JP 5616075 A JP5616075 A JP 5616075A JP 5616075 A JP5616075 A JP 5616075A JP S51135585 A JPS51135585 A JP S51135585A
Authority
JP
Japan
Prior art keywords
photodetector
spectro
photometer
antistray
photodiode
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.)
Pending
Application number
JP5616075A
Other languages
Japanese (ja)
Inventor
Tomoyoshi Sato
Iwao Kato
Shigeru Sonobe
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5616075A priority Critical patent/JPS51135585A/en
Publication of JPS51135585A publication Critical patent/JPS51135585A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • 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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0437—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using masks, aperture plates, spatial light modulators, spatial filters, e.g. reflective filters
    • 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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/0214—Constructional arrangements for removing stray light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

PURPOSE:Light receiving surface of photodiode is reduced by providing an antistray-light plate inside the photodetector.
JP5616075A 1975-05-14 1975-05-14 Photodetector for spectro-photometer Pending JPS51135585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5616075A JPS51135585A (en) 1975-05-14 1975-05-14 Photodetector for spectro-photometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5616075A JPS51135585A (en) 1975-05-14 1975-05-14 Photodetector for spectro-photometer

Publications (1)

Publication Number Publication Date
JPS51135585A true JPS51135585A (en) 1976-11-24

Family

ID=13019331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5616075A Pending JPS51135585A (en) 1975-05-14 1975-05-14 Photodetector for spectro-photometer

Country Status (1)

Country Link
JP (1) JPS51135585A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61266925A (en) * 1985-05-22 1986-11-26 Tokyo Rika Kikai Kk Double luminous flux measurement system using photoelectric converting element array
EP2299220A1 (en) * 2008-12-24 2011-03-23 Panasonic Corporation Refrigerator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61266925A (en) * 1985-05-22 1986-11-26 Tokyo Rika Kikai Kk Double luminous flux measurement system using photoelectric converting element array
EP2299220A1 (en) * 2008-12-24 2011-03-23 Panasonic Corporation Refrigerator
EP2299220A4 (en) * 2008-12-24 2012-09-19 Panasonic Corp Refrigerator

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