GB8519003D0 - Expanded beam termination - Google Patents

Expanded beam termination

Info

Publication number
GB8519003D0
GB8519003D0 GB858519003A GB8519003A GB8519003D0 GB 8519003 D0 GB8519003 D0 GB 8519003D0 GB 858519003 A GB858519003 A GB 858519003A GB 8519003 A GB8519003 A GB 8519003A GB 8519003 D0 GB8519003 D0 GB 8519003D0
Authority
GB
United Kingdom
Prior art keywords
expanded beam
beam termination
termination
expanded
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.)
Withdrawn
Application number
GB858519003A
Other versions
GB2178554A (en
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB08519003A priority Critical patent/GB2178554A/en
Publication of GB8519003D0 publication Critical patent/GB8519003D0/en
Publication of GB2178554A publication Critical patent/GB2178554A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • 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
    • G02B6/26—Optical coupling means
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
    • G02B6/327—Optical coupling means having lens focusing means positioned between opposed fibre ends with angled interfaces to reduce reflections
    • 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
    • G02B6/4202—Packages, e.g. shape, construction, internal or external details for coupling an active element with fibres without intermediate optical elements, e.g. fibres with plane ends, fibres with shaped ends, bundles
    • G02B6/4203—Optical features
    • 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)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Optical Couplings Of Light Guides (AREA)
GB08519003A 1985-07-27 1985-07-27 Optical expanded beam termination Withdrawn GB2178554A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08519003A GB2178554A (en) 1985-07-27 1985-07-27 Optical expanded beam termination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08519003A GB2178554A (en) 1985-07-27 1985-07-27 Optical expanded beam termination

Publications (2)

Publication Number Publication Date
GB8519003D0 true GB8519003D0 (en) 1985-09-04
GB2178554A GB2178554A (en) 1987-02-11

Family

ID=10582964

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08519003A Withdrawn GB2178554A (en) 1985-07-27 1985-07-27 Optical expanded beam termination

Country Status (1)

Country Link
GB (1) GB2178554A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE455662B (en) * 1986-11-28 1988-07-25 Hasselblad Ab Victor IMAGE SENDER
DE3737635A1 (en) * 1987-11-06 1989-05-18 Philips Patentverwaltung OPTICAL HETERODYN TIME AREA REFLECTOR
NL8901821A (en) * 1988-08-25 1990-03-16 Philips Nv REFLECTION-LIGHT BULB CONNECTOR PART.
JP2977091B2 (en) * 1990-09-28 1999-11-10 安藤電気株式会社 Optical pulse tester using heterodyne light reception
EP0525433A1 (en) * 1991-07-31 1993-02-03 Siemens Aktiengesellschaft Arrangement for coupling an optical signal into a light-guiding fibre
US5500911A (en) * 1994-08-05 1996-03-19 The Whitaker Corporation Lensed optical fiber assembly and process for alignment with an active device
WO1997032344A1 (en) * 1996-02-28 1997-09-04 The Whitaker Corporation Packaging for optoelectronic device
JP3489323B2 (en) * 1996-03-25 2004-01-19 三菱電機株式会社 Laser diode module, light condensing part and optical coupling method
JP2003241005A (en) * 2002-02-14 2003-08-27 Nippon Sheet Glass Co Ltd Optical module
US7149383B2 (en) * 2003-06-30 2006-12-12 Finisar Corporation Optical system with reduced back reflection

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB416509A (en) * 1933-03-17 1934-09-17 Hilger Ltd Adam Means for controlling undesired reflections in optical apparatus
DE2340687A1 (en) * 1973-08-10 1975-02-20 Sick Optik Elektronik Erwin OPTICAL ARRANGEMENT
DE2716616C2 (en) * 1977-04-15 1983-03-31 Fa. Carl Zeiss, 7920 Heidenheim Wide-angle lens for visual and photographic examination of the fundus
DE2725107C2 (en) * 1977-06-03 1979-08-09 Mergenthaler Linotype Gmbh, 6236 Eschborn Absorption device for the destruction of scattered light, especially in a photo setting machine
DE2836184A1 (en) * 1977-08-29 1979-03-08 Farrand Optical Co Inc OPTICAL DEVICE FOR REPLAYING A PICTURE IMAGE IN INFINITE
GB1558689A (en) * 1977-12-06 1980-01-09 Standard Telephones Cables Ltd Reduction of reflection at fibre optic ends
US4415239A (en) * 1980-10-31 1983-11-15 Humphrey Instruments, Inc. Reflection rejection spherical optical train composed of tipped lens elements
FR2502796A1 (en) * 1981-03-27 1982-10-01 Thomson Csf MICRO-OPTICAL COUPLING BETWEEN A SEMICONDUCTOR LASER AND AN OPTICAL FIBER

Also Published As

Publication number Publication date
GB2178554A (en) 1987-02-11

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)