JPS5238939A - Optical coupler - Google Patents

Optical coupler

Info

Publication number
JPS5238939A
JPS5238939A JP11424675A JP11424675A JPS5238939A JP S5238939 A JPS5238939 A JP S5238939A JP 11424675 A JP11424675 A JP 11424675A JP 11424675 A JP11424675 A JP 11424675A JP S5238939 A JPS5238939 A JP S5238939A
Authority
JP
Japan
Prior art keywords
optical
optical coupler
light
lessen
incident
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.)
Granted
Application number
JP11424675A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5629245B2 (show.php
Inventor
Kiyoshi Nawata
Tetsuhiko Ikegami
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP11424675A priority Critical patent/JPS5238939A/ja
Publication of JPS5238939A publication Critical patent/JPS5238939A/ja
Publication of JPS5629245B2 publication Critical patent/JPS5629245B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4207—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Semiconductor Lasers (AREA)
JP11424675A 1975-09-23 1975-09-23 Optical coupler Granted JPS5238939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11424675A JPS5238939A (en) 1975-09-23 1975-09-23 Optical coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11424675A JPS5238939A (en) 1975-09-23 1975-09-23 Optical coupler

Publications (2)

Publication Number Publication Date
JPS5238939A true JPS5238939A (en) 1977-03-25
JPS5629245B2 JPS5629245B2 (show.php) 1981-07-07

Family

ID=14632938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11424675A Granted JPS5238939A (en) 1975-09-23 1975-09-23 Optical coupler

Country Status (1)

Country Link
JP (1) JPS5238939A (show.php)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5140371A (en) * 1974-10-04 1976-04-05 Mitsubishi Heavy Ind Ltd Haigasuchuno nox no nh3 setsushokukangenhoniokeru nh3 chunyuryoseigyohoho
JPS54139563A (en) * 1978-04-21 1979-10-30 Nippon Telegr & Teleph Corp <Ntt> Optical fiber coupler
JPS55108609A (en) * 1979-02-13 1980-08-21 Nippon Telegr & Teleph Corp <Ntt> Optical fiber connector plug
JPS55148483A (en) * 1979-05-08 1980-11-19 Canon Inc Semiconductor laser device
JPS55148482A (en) * 1979-05-08 1980-11-19 Canon Inc Semiconductor laser device
JPS55164803A (en) * 1979-06-12 1980-12-22 Fujitsu Ltd Coupling method of semiconductor laser and optical fiber
JPS5621113A (en) * 1979-07-27 1981-02-27 Nec Corp Light isolator coupler
JPS56158494A (en) * 1980-05-12 1981-12-07 Matsushita Electric Ind Co Ltd Output control device for semiconductor laser
JPS5815287A (ja) * 1981-07-21 1983-01-28 Nec Home Electronics Ltd 光半導体装置
JPS5816585A (ja) * 1982-06-09 1983-01-31 Canon Inc 半導体レ−ザ−装置
JPS58134489A (ja) * 1982-02-04 1983-08-10 Mitsubishi Electric Corp レ−ザダイオ−ドモジユ−ル
FR2549243A1 (fr) * 1983-06-24 1985-01-18 Lyonnaise Transmiss Optiques Coupleur directif a composants associes pour ondes lumineuses
JPS60128409A (ja) * 1983-12-15 1985-07-09 Matsushita Electric Ind Co Ltd レ−ザモジユ−ル装置
JPS6181629U (show.php) * 1985-10-19 1986-05-30
US4790618A (en) * 1985-11-01 1988-12-13 Nec Corporation Semiconductor laser module
US10456414B2 (en) 2011-09-16 2019-10-29 Gilead Pharmasset Llc Methods for treating HCV

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5041559A (show.php) * 1973-08-02 1975-04-16
JPS5092749A (show.php) * 1973-12-17 1975-07-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5041559A (show.php) * 1973-08-02 1975-04-16
JPS5092749A (show.php) * 1973-12-17 1975-07-24

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5140371A (en) * 1974-10-04 1976-04-05 Mitsubishi Heavy Ind Ltd Haigasuchuno nox no nh3 setsushokukangenhoniokeru nh3 chunyuryoseigyohoho
JPS54139563A (en) * 1978-04-21 1979-10-30 Nippon Telegr & Teleph Corp <Ntt> Optical fiber coupler
JPS55108609A (en) * 1979-02-13 1980-08-21 Nippon Telegr & Teleph Corp <Ntt> Optical fiber connector plug
JPS55148483A (en) * 1979-05-08 1980-11-19 Canon Inc Semiconductor laser device
JPS55148482A (en) * 1979-05-08 1980-11-19 Canon Inc Semiconductor laser device
JPS55164803A (en) * 1979-06-12 1980-12-22 Fujitsu Ltd Coupling method of semiconductor laser and optical fiber
JPS5621113A (en) * 1979-07-27 1981-02-27 Nec Corp Light isolator coupler
JPS56158494A (en) * 1980-05-12 1981-12-07 Matsushita Electric Ind Co Ltd Output control device for semiconductor laser
JPS5815287A (ja) * 1981-07-21 1983-01-28 Nec Home Electronics Ltd 光半導体装置
JPS58134489A (ja) * 1982-02-04 1983-08-10 Mitsubishi Electric Corp レ−ザダイオ−ドモジユ−ル
JPS5816585A (ja) * 1982-06-09 1983-01-31 Canon Inc 半導体レ−ザ−装置
FR2549243A1 (fr) * 1983-06-24 1985-01-18 Lyonnaise Transmiss Optiques Coupleur directif a composants associes pour ondes lumineuses
JPS60128409A (ja) * 1983-12-15 1985-07-09 Matsushita Electric Ind Co Ltd レ−ザモジユ−ル装置
JPS6181629U (show.php) * 1985-10-19 1986-05-30
US4790618A (en) * 1985-11-01 1988-12-13 Nec Corporation Semiconductor laser module
US10456414B2 (en) 2011-09-16 2019-10-29 Gilead Pharmasset Llc Methods for treating HCV

Also Published As

Publication number Publication date
JPS5629245B2 (show.php) 1981-07-07

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