JPS6152411B2 - - Google Patents

Info

Publication number
JPS6152411B2
JPS6152411B2 JP7597281A JP7597281A JPS6152411B2 JP S6152411 B2 JPS6152411 B2 JP S6152411B2 JP 7597281 A JP7597281 A JP 7597281A JP 7597281 A JP7597281 A JP 7597281A JP S6152411 B2 JPS6152411 B2 JP S6152411B2
Authority
JP
Japan
Prior art keywords
mirror
light
sub
splitting device
light splitting
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
Application number
JP7597281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57190234A (en
Inventor
Keiji Ootaka
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP7597281A priority Critical patent/JPS57190234A/ja
Publication of JPS57190234A publication Critical patent/JPS57190234A/ja
Publication of JPS6152411B2 publication Critical patent/JPS6152411B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/108—Beam splitting or combining systems for sampling a portion of a beam or combining a small beam in a larger one, e.g. wherein the area ratio or power ratio of the divided beams significantly differs from unity, without spectral selectivity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/143—Beam splitting or combining systems operating by reflection only using macroscopically faceted or segmented reflective surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP7597281A 1981-05-20 1981-05-20 Photo divider for photometry Granted JPS57190234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7597281A JPS57190234A (en) 1981-05-20 1981-05-20 Photo divider for photometry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7597281A JPS57190234A (en) 1981-05-20 1981-05-20 Photo divider for photometry

Publications (2)

Publication Number Publication Date
JPS57190234A JPS57190234A (en) 1982-11-22
JPS6152411B2 true JPS6152411B2 (enrdf_load_stackoverflow) 1986-11-13

Family

ID=13591655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7597281A Granted JPS57190234A (en) 1981-05-20 1981-05-20 Photo divider for photometry

Country Status (1)

Country Link
JP (1) JPS57190234A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS57190234A (en) 1982-11-22

Similar Documents

Publication Publication Date Title
US6632004B2 (en) Lighting device
US6575582B2 (en) Illumination device
US6027220A (en) Surface light source device outputting polarized frontal illumination light
US4367463A (en) Information mark display device
US5029060A (en) Uniform intensity profile catadioptric lens
US6807369B1 (en) Illumination device and photographing apparatus having the same
JP3437309B2 (ja) 撮影用照明装置
IL106092A (en) A lighting system with an aspherical lens and a method of manufacturing it
JPS5821714A (ja) 光束分割器
JP2004170862A (ja) フレネルレンズ
JPH071344B2 (ja) 光分割装置
JPS6219837A (ja) 透過型スクリ−ン
JPH01244490A (ja) 面光源素子
JP2002072310A (ja) 照明装置および撮影装置
US4486096A (en) Device for measuring incident light
JPS6217721A (ja) 投光装置
US3541919A (en) View finder for a reflex camera including a roof prism
JPS6152411B2 (enrdf_load_stackoverflow)
JPS6255769B2 (enrdf_load_stackoverflow)
US4032938A (en) Miniature single lens reflex camera
JP3495448B2 (ja) 等分岐光束分割素子
US4204269A (en) Optical element for redistributing the light output of a photoflash lamp assembly or the like
JPS6152410B2 (enrdf_load_stackoverflow)
JPS59189334A (ja) 光源装置
JPH04247438A (ja) 照明装置