JPS53100841A - Beam shaping optical system - Google Patents

Beam shaping optical system

Info

Publication number
JPS53100841A
JPS53100841A JP1534177A JP1534177A JPS53100841A JP S53100841 A JPS53100841 A JP S53100841A JP 1534177 A JP1534177 A JP 1534177A JP 1534177 A JP1534177 A JP 1534177A JP S53100841 A JPS53100841 A JP S53100841A
Authority
JP
Japan
Prior art keywords
optical system
beam shaping
shaping optical
longitudinal
transverse directions
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
JP1534177A
Other languages
Japanese (ja)
Inventor
Hiroshi Hanada
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 JP1534177A priority Critical patent/JPS53100841A/en
Priority to US05/913,225 priority patent/US4203652A/en
Publication of JPS53100841A publication Critical patent/JPS53100841A/en
Priority to US06/116,395 priority patent/US4318594A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To treat the beam from the emanating surface of a semiconductor laser, which has different original point of dispersion in the longitudinal and transverse directions, into a parallel or round spot by using an optical system which has different focal lengthes for the longitudinal and transverse directions.
COPYRIGHT: (C)1978,JPO&Japio
JP1534177A 1977-02-15 1977-02-15 Beam shaping optical system Pending JPS53100841A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1534177A JPS53100841A (en) 1977-02-15 1977-02-15 Beam shaping optical system
US05/913,225 US4203652A (en) 1977-02-15 1978-06-06 Beam shaping optical system
US06/116,395 US4318594A (en) 1977-02-15 1980-01-29 Beam shaping optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1534177A JPS53100841A (en) 1977-02-15 1977-02-15 Beam shaping optical system

Publications (1)

Publication Number Publication Date
JPS53100841A true JPS53100841A (en) 1978-09-02

Family

ID=11886078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1534177A Pending JPS53100841A (en) 1977-02-15 1977-02-15 Beam shaping optical system

Country Status (1)

Country Link
JP (1) JPS53100841A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443692A (en) * 1977-09-13 1979-04-06 Matsushita Electric Ind Co Ltd Semiconductor laser condensing optical device
FR2459513A1 (en) * 1979-06-15 1981-01-09 Hitachi Ltd OPTICAL INFORMATION PROCESSING UNIT
JPS5866912A (en) * 1981-10-16 1983-04-21 Olympus Optical Co Ltd Optical device
JP2012173676A (en) * 2011-02-24 2012-09-10 Seiko Epson Corp Light source device and projector
JP2013251222A (en) * 2012-06-04 2013-12-12 Sony Corp Lighting device, projection type display device, and direct view type display device
JP2021531509A (en) * 2018-07-23 2021-11-18 フィスバ・アクチェンゲゼルシャフトFisba Ag A device for collimating a ray field

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443692A (en) * 1977-09-13 1979-04-06 Matsushita Electric Ind Co Ltd Semiconductor laser condensing optical device
FR2459513A1 (en) * 1979-06-15 1981-01-09 Hitachi Ltd OPTICAL INFORMATION PROCESSING UNIT
JPS5866912A (en) * 1981-10-16 1983-04-21 Olympus Optical Co Ltd Optical device
JP2012173676A (en) * 2011-02-24 2012-09-10 Seiko Epson Corp Light source device and projector
JP2013251222A (en) * 2012-06-04 2013-12-12 Sony Corp Lighting device, projection type display device, and direct view type display device
JP2021531509A (en) * 2018-07-23 2021-11-18 フィスバ・アクチェンゲゼルシャフトFisba Ag A device for collimating a ray field

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