JPS5590984A - Making method of multibranching hologram photo coupler - Google Patents

Making method of multibranching hologram photo coupler

Info

Publication number
JPS5590984A
JPS5590984A JP16526378A JP16526378A JPS5590984A JP S5590984 A JPS5590984 A JP S5590984A JP 16526378 A JP16526378 A JP 16526378A JP 16526378 A JP16526378 A JP 16526378A JP S5590984 A JPS5590984 A JP S5590984A
Authority
JP
Japan
Prior art keywords
laser beam
beams
split
hologram
multibranching
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
JP16526378A
Other languages
English (en)
Inventor
Hideo Segawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP16526378A priority Critical patent/JPS5590984A/ja
Publication of JPS5590984A publication Critical patent/JPS5590984A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Holo Graphy (AREA)
JP16526378A 1978-12-29 1978-12-29 Making method of multibranching hologram photo coupler Pending JPS5590984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16526378A JPS5590984A (en) 1978-12-29 1978-12-29 Making method of multibranching hologram photo coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16526378A JPS5590984A (en) 1978-12-29 1978-12-29 Making method of multibranching hologram photo coupler

Publications (1)

Publication Number Publication Date
JPS5590984A true JPS5590984A (en) 1980-07-10

Family

ID=15808998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16526378A Pending JPS5590984A (en) 1978-12-29 1978-12-29 Making method of multibranching hologram photo coupler

Country Status (1)

Country Link
JP (1) JPS5590984A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387955A (en) * 1981-02-03 1983-06-14 The United States Of America As Represented By The Secretary Of The Air Force Holographic reflective grating multiplexer/demultiplexer
JPS60225873A (ja) * 1984-04-24 1985-11-11 グラマン・エアロスペ−ス・コ−ポレ−シヨン 色消しホログラフィック光学部材の製造方法
JPS6225710A (ja) * 1985-07-26 1987-02-03 Matsushita Electric Ind Co Ltd 光合波・分波器
JPS6225709A (ja) * 1985-07-26 1987-02-03 Matsushita Electric Ind Co Ltd 光合波・分波器
JPS6275503A (ja) * 1985-09-30 1987-04-07 Matsushita Electric Ind Co Ltd 光合波・分波器
JPH04362986A (ja) * 1990-09-14 1992-12-15 Nippon Telegr & Teleph Corp <Ntt> 情報記録装置
JP2000249819A (ja) * 1999-02-26 2000-09-14 Mitsubishi Electric Corp グレーティング製造方法及びグレーティング製造装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387955A (en) * 1981-02-03 1983-06-14 The United States Of America As Represented By The Secretary Of The Air Force Holographic reflective grating multiplexer/demultiplexer
JPS60225873A (ja) * 1984-04-24 1985-11-11 グラマン・エアロスペ−ス・コ−ポレ−シヨン 色消しホログラフィック光学部材の製造方法
JPS6225710A (ja) * 1985-07-26 1987-02-03 Matsushita Electric Ind Co Ltd 光合波・分波器
JPS6225709A (ja) * 1985-07-26 1987-02-03 Matsushita Electric Ind Co Ltd 光合波・分波器
JPS6275503A (ja) * 1985-09-30 1987-04-07 Matsushita Electric Ind Co Ltd 光合波・分波器
JPH04362986A (ja) * 1990-09-14 1992-12-15 Nippon Telegr & Teleph Corp <Ntt> 情報記録装置
JP2000249819A (ja) * 1999-02-26 2000-09-14 Mitsubishi Electric Corp グレーティング製造方法及びグレーティング製造装置

Similar Documents

Publication Publication Date Title
BG30630A3 (en) Apparatus for registration and reproducing of data and signs with laser light source
JPS5640737A (en) Damage detector for optical fiber for laser power transmission
KR920006745A (ko) 광학식 부호기
FR2646245B1 (fr) Dispositif de lecture optique pour support d&#39;enregistrement optique
JPS5590984A (en) Making method of multibranching hologram photo coupler
JPS5455184A (en) Semiconductor laser light source unit
JPS5598719A (en) High speed scanner
JPS5767815A (en) Measuring method for position of reflector using light
JPS54143660A (en) Optical system for semiconductor laser
JPS5622231A (en) Optical disk duplicator
JPS56104573A (en) Picture recording device
JPS54158814A (en) Picture information reader
JPS5430042A (en) Simultaneously scanner for plural beams
JPS55163566A (en) Hologram lens and its production and optical system signal using this hologram lens
JPS56141662A (en) Light beam scanner
JPS56153207A (en) Measuring device for film thickness
JPS5581301A (en) Making method of total reflecting optical member
JPS57120242A (en) Optical information reproducing device
JPS5472068A (en) Optical processor
JPS57175215A (en) Laser beam recorder
JPS54156652A (en) Laser recording method
JPS55155328A (en) Scanner
JPS54108602A (en) Optical reproducer
JPS5580180A (en) Optical signal reader
JPS5424042A (en) Optical identifying device