DE3613688C2 - - Google Patents

Info

Publication number
DE3613688C2
DE3613688C2 DE3613688A DE3613688A DE3613688C2 DE 3613688 C2 DE3613688 C2 DE 3613688C2 DE 3613688 A DE3613688 A DE 3613688A DE 3613688 A DE3613688 A DE 3613688A DE 3613688 C2 DE3613688 C2 DE 3613688C2
Authority
DE
Germany
Prior art keywords
filter element
optical
light beam
rotation
filter
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.)
Expired
Application number
DE3613688A
Other languages
German (de)
English (en)
Other versions
DE3613688A1 (de
Inventor
Siegmar Dipl.-Phys. 7277 Wildberg De Schmidt
Bernd Dipl.-Ing. 7542 Schoemberg De Maisenbacher
Wolfgang 7000 Stuttgart De Schmid
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.)
Hewlett Packard GmbH Germany
Original Assignee
Hewlett Packard GmbH Germany
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 Hewlett Packard GmbH Germany filed Critical Hewlett Packard GmbH Germany
Priority to DE19863613688 priority Critical patent/DE3613688A1/de
Priority to US07/040,914 priority patent/US4925273A/en
Priority to JP62100935A priority patent/JPH06103368B2/ja
Publication of DE3613688A1 publication Critical patent/DE3613688A1/de
Application granted granted Critical
Publication of DE3613688C2 publication Critical patent/DE3613688C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/205—Neutral density filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Optical Filters (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE19863613688 1986-04-21 1986-04-23 Optisches filter Granted DE3613688A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19863613688 DE3613688A1 (de) 1986-04-23 1986-04-23 Optisches filter
US07/040,914 US4925273A (en) 1986-04-21 1987-04-21 Variable optical attenuator
JP62100935A JPH06103368B2 (ja) 1986-04-23 1987-04-23 光学フィルタ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863613688 DE3613688A1 (de) 1986-04-23 1986-04-23 Optisches filter

Publications (2)

Publication Number Publication Date
DE3613688A1 DE3613688A1 (de) 1987-10-29
DE3613688C2 true DE3613688C2 (en, 2012) 1988-12-29

Family

ID=6299310

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863613688 Granted DE3613688A1 (de) 1986-04-21 1986-04-23 Optisches filter

Country Status (3)

Country Link
US (1) US4925273A (en, 2012)
JP (1) JPH06103368B2 (en, 2012)
DE (1) DE3613688A1 (en, 2012)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656169B1 (fr) * 1989-12-15 1994-09-02 Commissariat Energie Atomique Dispositif d'asservissement en puissance d'un laser.
JPH03125316U (en, 2012) * 1990-03-30 1991-12-18
US5087122A (en) * 1990-08-13 1992-02-11 Laser Precision Corporation Adjustable attenuator for optical transmission system
DE69204984T2 (de) * 1992-02-25 1996-02-08 Hewlett Packard Gmbh Optischer Abschwächer.
US5329350A (en) * 1992-05-21 1994-07-12 Photon, Inc. Measuring laser beam parameters using non-distorting attenuation and multiple simultaneous samples
EP0775908A1 (en) 1995-11-21 1997-05-28 Advanced Biological Products Inc. Fluorescence quantization
US5838852A (en) * 1997-01-28 1998-11-17 Ko; Chun-Ming Adjustable optical power limiter
US6120190A (en) * 1997-11-26 2000-09-19 Lasertron, Inc. Spatially variable bandpass filter monitoring and feedback control of laser wavelength especially in wavelength division multiplexing communication systems
US6303937B1 (en) 1998-02-27 2001-10-16 Eastman Kodak Company Ceramic calibration filter
JP4827276B2 (ja) 1999-07-05 2011-11-30 株式会社半導体エネルギー研究所 レーザー照射装置、レーザー照射方法及び半導体装置の作製方法
TW494444B (en) * 1999-08-18 2002-07-11 Semiconductor Energy Lab Laser apparatus and laser annealing method
US6548370B1 (en) 1999-08-18 2003-04-15 Semiconductor Energy Laboratory Co., Ltd. Method of crystallizing a semiconductor layer by applying laser irradiation that vary in energy to its top and bottom surfaces
US6246826B1 (en) * 1999-09-02 2001-06-12 Nortel Networks Limited Variable optical attenuator with profiled blade
US7078321B2 (en) * 2000-06-19 2006-07-18 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and method of manufacturing the same
KR20020036934A (ko) * 2000-11-11 2002-05-17 이충국 가변형 광 감쇄기
US6717966B2 (en) * 2001-08-30 2004-04-06 Eastman Kodak Company Calibration focus position
GB2402751A (en) * 2003-06-10 2004-12-15 Xaar Technology Ltd Rotating attenuating structure for laser beam
CN105487223A (zh) * 2016-01-25 2016-04-13 武汉浩宏科技有限公司 一种能量衰减调节器

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US990303A (en) * 1910-10-29 1911-04-25 Henry M Shreiner Colored glass.
DE750941C (de) * 1941-12-28 1945-02-03 Verfahren zur Verminderung der Reflexion an Oberflaechen lichtdurchlaessiger Koerper
US3193687A (en) * 1962-05-04 1965-07-06 Edgerton Germeshausen & Grier Nonlinear electro-optical system
US3442572A (en) * 1964-08-25 1969-05-06 Optical Coating Laboratory Inc Circular variable filter
US3372282A (en) * 1965-04-29 1968-03-05 Aerojet General Co Color coding optical reticle
JPS4844279B1 (en, 2012) * 1965-05-08 1973-12-24
US3538335A (en) * 1968-11-27 1970-11-03 Gen Electric Light intensity controller for photosensitive pickup tubes
DE2136299A1 (de) * 1971-07-20 1973-02-01 Siemens Ag Interferenzfilter
FR2181533B1 (en, 2012) * 1972-04-27 1976-10-29 Comp Generale Electricite
GB1434304A (en) * 1973-05-16 1976-05-05 Ciba Geigy Ag Optical apparatus
US4093354A (en) * 1975-12-23 1978-06-06 Nasa Method and apparatus for splitting a beam of energy
JPS52155545A (en) * 1976-06-21 1977-12-24 Toray Industries Supersonic light deflector element
GB2027925B (en) * 1978-08-03 1983-01-19 Marconi Co Ltd Optical filters
FR2455751A1 (fr) * 1979-05-02 1980-11-28 Thomson Csf Systeme recepteur optoelectrique multispectral a haute dynamique
DE3041375A1 (de) * 1980-11-03 1982-06-09 Siemens AG, 1000 Berlin und 8000 München Optische filteranordnung mit interferenzfiltern
DE3223898C2 (de) * 1982-06-26 1984-04-19 Standard Elektrik Lorenz Ag, 7000 Stuttgart Einstellbares optisches Dämpfungsglied
JPS5916881U (ja) * 1982-07-22 1984-02-01 東レ株式会社 炭素繊維パツケ−ジの梱包体
US4560252A (en) * 1983-02-10 1985-12-24 Kei Mori Optical filter device

Also Published As

Publication number Publication date
DE3613688A1 (de) 1987-10-29
JPS62258415A (ja) 1987-11-10
US4925273A (en) 1990-05-15
JPH06103368B2 (ja) 1994-12-14

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: G02B 5/20

8181 Inventor (new situation)

Free format text: SCHMIDT, SIEGMAR, DIPL.-PHYS., 7277 WILDBERG, DE MAISENBACHER, BERND, DIPL.-ING., 7542 SCHOEMBERG, DE SCHMID, WOLFGANG, 7000 STUTTGART 70, DE

D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee