JPS6454401A - Prism for optical switch - Google Patents

Prism for optical switch

Info

Publication number
JPS6454401A
JPS6454401A JP21014287A JP21014287A JPS6454401A JP S6454401 A JPS6454401 A JP S6454401A JP 21014287 A JP21014287 A JP 21014287A JP 21014287 A JP21014287 A JP 21014287A JP S6454401 A JPS6454401 A JP S6454401A
Authority
JP
Japan
Prior art keywords
polarized light
light separating
separating film
mirror surface
prism
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
JP21014287A
Other languages
Japanese (ja)
Inventor
Mitsuo Kinoshita
Takayuki Nakano
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.)
FDK Corp
Original Assignee
FDK Corp
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 FDK Corp filed Critical FDK Corp
Priority to JP21014287A priority Critical patent/JPS6454401A/en
Publication of JPS6454401A publication Critical patent/JPS6454401A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To position a polarized light separating film and a mirror surface with high accuracy by cementing two parallel quadrangular prisms together and constituting one parallel quadrangular prism on the whole, and forming the polarized light separating film on the cemented surface of the two prisms. CONSTITUTION:Both prisms A and B are cemented into one parallel quadrangular prism. The polarized light separating film 7 is formed on the cemented surface, the surface of the prism A parallel to the polarized light separating film 7 is a mirror surface 8, and the surface of the prism B parallel to the polarized light separating film 7 is a mirror surface 8. This surface 6 and the mirror surface 8 of the polarized light separating film 7 correspond to the mirror surface 6 of a magneto-optical effect type optical switch and the mirror surface 8 of the polarized light separating film 7. Thus, the mirror surface 6, polarized light separating film 7, and mirror surface 8 are formed of the two parallel quadrangular prisms A and B, so their parallelism is easily obtained with high accuracy.
JP21014287A 1987-08-26 1987-08-26 Prism for optical switch Pending JPS6454401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21014287A JPS6454401A (en) 1987-08-26 1987-08-26 Prism for optical switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21014287A JPS6454401A (en) 1987-08-26 1987-08-26 Prism for optical switch

Publications (1)

Publication Number Publication Date
JPS6454401A true JPS6454401A (en) 1989-03-01

Family

ID=16584472

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21014287A Pending JPS6454401A (en) 1987-08-26 1987-08-26 Prism for optical switch

Country Status (1)

Country Link
JP (1) JPS6454401A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE39243E1 (en) 1996-12-18 2006-08-22 Seiko Epson Corporation Optical element, polarization illumination device, and projector
JP2017194686A (en) * 2016-04-19 2017-10-26 リモ パテントフェルヴァルトゥング ゲーエムベーハー ウント コー．カーゲーＬＩＭＯ Ｐａｔｅｎｔｖｅｒｗａｌｔｕｎｇ ＧｍｂＨ ＆ Ｃｏ．ＫＧ Laser device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108504A (en) * 1981-12-23 1983-06-28 Fujitsu Ltd Production of polarizing prism
JPS62113103A (en) * 1985-11-12 1987-05-25 ジ−・テイ−・イ−・ラボラトリ−ズ・インコ−ポレイテツド Optical beam splitter prism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108504A (en) * 1981-12-23 1983-06-28 Fujitsu Ltd Production of polarizing prism
JPS62113103A (en) * 1985-11-12 1987-05-25 ジ−・テイ−・イ−・ラボラトリ−ズ・インコ−ポレイテツド Optical beam splitter prism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE39243E1 (en) 1996-12-18 2006-08-22 Seiko Epson Corporation Optical element, polarization illumination device, and projector
USRE40251E1 (en) 1996-12-18 2008-04-22 Seiko Epson Corporation Optical element, polarization illumination device, and projector
JP2017194686A (en) * 2016-04-19 2017-10-26 リモ パテントフェルヴァルトゥング ゲーエムベーハー ウント コー．カーゲーＬＩＭＯ Ｐａｔｅｎｔｖｅｒｗａｌｔｕｎｇ ＧｍｂＨ ＆ Ｃｏ．ＫＧ Laser device

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