JPS528838A - Light attenuator - Google Patents

Light attenuator

Info

Publication number
JPS528838A
JPS528838A JP8400375A JP8400375A JPS528838A JP S528838 A JPS528838 A JP S528838A JP 8400375 A JP8400375 A JP 8400375A JP 8400375 A JP8400375 A JP 8400375A JP S528838 A JPS528838 A JP S528838A
Authority
JP
Japan
Prior art keywords
light attenuator
light
attenuator
high precision
attenuate light
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
JP8400375A
Other languages
Japanese (ja)
Inventor
Yoshinobu Mihashi
Toshio Nemoto
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP8400375A priority Critical patent/JPS528838A/en
Publication of JPS528838A publication Critical patent/JPS528838A/en
Pending legal-status Critical Current

Links

Landscapes

  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

PURPOSE: To attenuate light with high precision by using a mechanical variable iris and diffraction lattice.
COPYRIGHT: (C)1977,JPO&Japio
JP8400375A 1975-07-10 1975-07-10 Light attenuator Pending JPS528838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8400375A JPS528838A (en) 1975-07-10 1975-07-10 Light attenuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8400375A JPS528838A (en) 1975-07-10 1975-07-10 Light attenuator

Publications (1)

Publication Number Publication Date
JPS528838A true JPS528838A (en) 1977-01-24

Family

ID=13818378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8400375A Pending JPS528838A (en) 1975-07-10 1975-07-10 Light attenuator

Country Status (1)

Country Link
JP (1) JPS528838A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58163912A (en) * 1982-03-25 1983-09-28 Amada Co Ltd Method and apparatus for modulating laser beam
JPS58147315U (en) * 1982-03-30 1983-10-04 ミツミ電機株式会社 Width increase circuit
JPS6431490A (en) * 1987-07-28 1989-02-01 Okuma Machinery Works Ltd Laser output controller

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620599A (en) * 1969-06-30 1971-11-16 Bell Telephone Labor Inc Nonpolarizing wire-grid diffraction-type optical attenuator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620599A (en) * 1969-06-30 1971-11-16 Bell Telephone Labor Inc Nonpolarizing wire-grid diffraction-type optical attenuator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58163912A (en) * 1982-03-25 1983-09-28 Amada Co Ltd Method and apparatus for modulating laser beam
JPS6318168B2 (en) * 1982-03-25 1988-04-18 Amada Co Ltd
JPS58147315U (en) * 1982-03-30 1983-10-04 ミツミ電機株式会社 Width increase circuit
JPS6431490A (en) * 1987-07-28 1989-02-01 Okuma Machinery Works Ltd Laser output controller

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