DE602007002595D1 - Variabler optischer Abschwächer - Google Patents

Variabler optischer Abschwächer

Info

Publication number
DE602007002595D1
DE602007002595D1 DE602007002595T DE602007002595T DE602007002595D1 DE 602007002595 D1 DE602007002595 D1 DE 602007002595D1 DE 602007002595 T DE602007002595 T DE 602007002595T DE 602007002595 T DE602007002595 T DE 602007002595T DE 602007002595 D1 DE602007002595 D1 DE 602007002595D1
Authority
DE
Germany
Prior art keywords
variable optical
optical attenuator
attenuator
variable
optical
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.)
Active
Application number
DE602007002595T
Other languages
English (en)
Inventor
Kenji Rikimaru
Yuji Ishii
Kazuyuki Mori
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE602007002595D1 publication Critical patent/DE602007002595D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B6/26—Optical coupling means
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/3512—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/3532—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being a wavelength independent filter or having spatially dependent transmission properties, e.g. neutral filter or neutral density wedge substrate with plurality of density filters
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3594—Characterised by additional functional means, e.g. means for variably attenuating or branching or means for switching differently polarized beams

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Communication System (AREA)
DE602007002595T 2006-08-10 2007-08-08 Variabler optischer Abschwächer Active DE602007002595D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006218540A JP4570598B2 (ja) 2006-08-10 2006-08-10 光伝送システム

Publications (1)

Publication Number Publication Date
DE602007002595D1 true DE602007002595D1 (de) 2009-11-12

Family

ID=38562791

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007002595T Active DE602007002595D1 (de) 2006-08-10 2007-08-08 Variabler optischer Abschwächer

Country Status (4)

Country Link
US (1) US7805047B2 (de)
EP (1) EP1887392B1 (de)
JP (1) JP4570598B2 (de)
DE (1) DE602007002595D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009258631A (ja) * 2008-03-26 2009-11-05 Fujitsu Ltd 電極およびミラー駆動装置
JP5200696B2 (ja) 2008-06-30 2013-06-05 富士通株式会社 光減衰器
JP5151794B2 (ja) 2008-08-08 2013-02-27 富士通株式会社 光モジュール、光モジュールの光制御方法、光スイッチおよび光スイッチ方法
JP5606297B2 (ja) * 2010-12-02 2014-10-15 三菱電機株式会社 光空間伝搬模擬装置
CN109187344A (zh) * 2018-09-04 2019-01-11 深圳市卡普瑞环境科技有限公司 一种应用于大气分子检测系统的气路结构
CN109581650A (zh) * 2018-11-21 2019-04-05 华中科技大学 一种连续可调的多模光纤衰减器

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337024A (en) 1976-09-16 1978-04-05 Ricoh Co Ltd Exposure adjusting method in copying machine
JPS5368232A (en) 1976-11-30 1978-06-17 Ricoh Co Ltd Control method for exposure amount of copier
JPH0283513A (ja) * 1988-09-20 1990-03-23 Fujitsu Ltd 光無瞬断アッテネータ
US6850655B2 (en) * 1997-06-16 2005-02-01 Novera Optics, Inc. Optical apparatus with faraday rotator, static gain flattening filter and variable optical attenuator
JP2933919B1 (ja) * 1998-08-04 1999-08-16 サンテック株式会社 光アッテネータ及び光アッテネータモジュール
WO2001027681A1 (en) * 1999-10-08 2001-04-19 Agilent Technologies, Inc. Optical imaging system
US6538816B2 (en) * 2000-12-18 2003-03-25 Jds Uniphase Inc. Micro-electro mechanical based optical attenuator
US20030026582A1 (en) 2001-08-02 2003-02-06 In' T Hout Sebastiaan Roderick Variable optical attenuator and method for improved linearity of optical signal attenuation versus actuation signal
TW495040U (en) * 2001-10-31 2002-07-11 Hon Hai Prec Ind Co Ltd Electronic control light attenuator with U-shape light route
JP2004070054A (ja) * 2002-08-07 2004-03-04 Sun Tec Kk 光アッテネータ及び光アッテネータアレー
JP4695342B2 (ja) 2003-09-03 2011-06-08 富士通株式会社 光スイッチ制御装置および移動体制御装置
US7295748B2 (en) * 2005-08-08 2007-11-13 Jds Uniphase Corporation Variable optical attenuator with wavelength dependent loss compensation
JP4485448B2 (ja) 2005-09-30 2010-06-23 富士通株式会社 可動ミラーを用いた光スイッチの制御装置および制御方法

Also Published As

Publication number Publication date
US7805047B2 (en) 2010-09-28
US20080285915A1 (en) 2008-11-20
EP1887392A1 (de) 2008-02-13
JP2008040435A (ja) 2008-02-21
EP1887392B1 (de) 2009-09-30
JP4570598B2 (ja) 2010-10-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition