DE3852416T2 - Anamorphotische Linse. - Google Patents
Anamorphotische Linse.Info
- Publication number
- DE3852416T2 DE3852416T2 DE3852416T DE3852416T DE3852416T2 DE 3852416 T2 DE3852416 T2 DE 3852416T2 DE 3852416 T DE3852416 T DE 3852416T DE 3852416 T DE3852416 T DE 3852416T DE 3852416 T2 DE3852416 T2 DE 3852416T2
- Authority
- DE
- Germany
- Prior art keywords
- anamorphic lens
- anamorphic
- lens
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/06—Simple or compound lenses with non-spherical faces with cylindrical or toric faces
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1398—Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62084003A JPS63249801A (ja) | 1987-04-06 | 1987-04-06 | 異方屈折力単レンズ |
JP26862787A JPH01109317A (ja) | 1987-10-23 | 1987-10-23 | コリメータ単レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3852416D1 DE3852416D1 (de) | 1995-01-26 |
DE3852416T2 true DE3852416T2 (de) | 1995-07-20 |
Family
ID=26425055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3852416T Expired - Lifetime DE3852416T2 (de) | 1987-04-06 | 1988-04-06 | Anamorphotische Linse. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4915484A (de) |
EP (1) | EP0286368B1 (de) |
DE (1) | DE3852416T2 (de) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5130839A (en) * | 1989-03-10 | 1992-07-14 | Ricoh Company Ltd. | Scanning optical apparatus |
JP2840356B2 (ja) * | 1989-04-17 | 1998-12-24 | 株式会社リコー | 光走査装置 |
US5099355A (en) * | 1989-10-02 | 1992-03-24 | Ricoh Company, Ltd. | Optical element having heat control means |
JPH03290609A (ja) * | 1990-04-09 | 1991-12-20 | Ricoh Co Ltd | 光走査装置 |
JPH04305615A (ja) * | 1991-04-03 | 1992-10-28 | Matsushita Electric Ind Co Ltd | 異方屈折力単レンズ |
GB9113556D0 (en) * | 1991-06-21 | 1991-08-14 | Memco Med Ltd | Laser light transmitter and proximity detector |
US5610753A (en) * | 1991-12-12 | 1997-03-11 | Eastman Kodak Company | Optical design of laser scanner to reduce thermal sensitivity |
JP2969407B2 (ja) * | 1992-03-02 | 1999-11-02 | 松下電器産業株式会社 | ポストオブジェクティブ型走査光学系と画像形成装置 |
US5499262A (en) * | 1992-03-18 | 1996-03-12 | Rohm Co., Ltd. | Semiconductor laser light source unit |
JPH0682688A (ja) * | 1992-09-01 | 1994-03-25 | Matsushita Electric Ind Co Ltd | 異方屈折力単レンズ |
JP3019902B2 (ja) * | 1992-10-26 | 2000-03-15 | 松下電器産業株式会社 | 焦点誤差検出素子とそれを用いた光ヘッド |
ATE156275T1 (de) * | 1993-01-04 | 1997-08-15 | Philips Electronics Nv | Strahlformendes optisches element, strahlungsquelle und abtasteinheit mit diesem element |
JP3191538B2 (ja) * | 1993-12-17 | 2001-07-23 | 富士ゼロックス株式会社 | 走査レンズ及び光走査装置 |
TW287239B (de) * | 1994-06-07 | 1996-10-01 | Philips Electronics Nv | |
US5737112A (en) * | 1994-07-07 | 1998-04-07 | Asahi Kogaku Kogyo Kabushiki Kaisha | Scanning optical systems |
JP3104780B2 (ja) * | 1994-12-21 | 2000-10-30 | 松下電器産業株式会社 | 対物レンズ及びそれを用いた光ヘッド装置 |
US5790576A (en) * | 1996-06-26 | 1998-08-04 | Sdl, Inc. | High brightness laser diode source |
US5818645A (en) * | 1996-07-16 | 1998-10-06 | Management Graphics, Inc. | Multimode optical source and image scanning apparatus using the same |
JP3435311B2 (ja) * | 1997-06-19 | 2003-08-11 | 松下電器産業株式会社 | 情報読み取り装置 |
AUPO790397A0 (en) * | 1997-07-16 | 1997-08-07 | Lions Eye Institute Of Western Australia Incorporated, The | Laser scanning apparatus and method |
US6575964B1 (en) | 1998-02-03 | 2003-06-10 | Sciton, Inc. | Selective aperture for laser delivery system for providing incision, tissue ablation and coagulation |
US6075650A (en) * | 1998-04-06 | 2000-06-13 | Rochester Photonics Corporation | Beam shaping optics for diverging illumination, such as produced by laser diodes |
US6259567B1 (en) * | 1998-11-23 | 2001-07-10 | Mems Optical Inc. | Microlens structure having two anamorphic surfaces on opposing ends of a single high index substances and method of fabricating the same |
US6543911B1 (en) * | 2000-05-08 | 2003-04-08 | Farlight Llc | Highly efficient luminaire having optical transformer providing precalculated angular intensity distribution and method therefore |
US8360615B2 (en) * | 2000-05-08 | 2013-01-29 | Farlight, Llc | LED light module for omnidirectional luminaire |
US7279674B2 (en) * | 2000-08-17 | 2007-10-09 | Avago Technologies Ecbu Ip (Singapore) Pte Ltd | Optical encoder module |
CN1484818A (zh) | 2000-10-27 | 2004-03-24 | 具有交错光束扫描的光束显示器 | |
US6743221B1 (en) * | 2001-03-13 | 2004-06-01 | James L. Hobart | Laser system and method for treatment of biological tissues |
JP2002323673A (ja) | 2001-04-24 | 2002-11-08 | Matsushita Electric Ind Co Ltd | ビーム整形素子、並びにそれを用いた半導体レーザ光源装置及び光学ヘッド |
US6988815B1 (en) | 2001-05-30 | 2006-01-24 | Farlight Llc | Multiple source collimated beam luminaire |
US6770069B1 (en) | 2001-06-22 | 2004-08-03 | Sciton, Inc. | Laser applicator |
JP2004157170A (ja) * | 2002-11-01 | 2004-06-03 | Nalux Co Ltd | ビーム整形光学素子、設計方法および設計プログラム |
US7302181B2 (en) * | 2003-02-25 | 2007-11-27 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Single lens multiple light source device |
US6768593B1 (en) | 2003-06-24 | 2004-07-27 | Suganda Jutamulia | Fiber-coupled laser diode having high coupling-efficiency and low feedback-noise |
JP4488287B2 (ja) * | 2003-11-21 | 2010-06-23 | フジノン株式会社 | ビーム集光用レンズ |
US7428088B2 (en) * | 2004-10-28 | 2008-09-23 | Canon Kabushiki Kaisha | Optical scanning apparatus and method for adjusting the same |
JP2007114454A (ja) | 2005-10-20 | 2007-05-10 | Yamaha Corp | マイクロレンズアレイとその製法 |
EP2065752A1 (de) * | 2007-11-23 | 2009-06-03 | Koninklijke Philips Electronics N.V. | Optisches Beleuchtungsgerät zum Beleuchten einer Probe mit einem Linienstrahl |
KR101599887B1 (ko) * | 2009-10-07 | 2016-03-04 | 삼성전자주식회사 | 광주사 장치 및 이를 채용한 전자 사진 방식의 화상 형성 장치 |
JP6528360B2 (ja) * | 2014-06-11 | 2019-06-12 | 株式会社リコー | レンズユニット、画像読取装置及び画像形成装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4203652A (en) * | 1977-02-15 | 1980-05-20 | Canon Kabushiki Kaisha | Beam shaping optical system |
US4224626A (en) * | 1978-10-10 | 1980-09-23 | The United States Of America As Represented By The Secretary Of The Navy | Ellipticized lens providing balanced astigmatism |
JPS5636622A (en) * | 1979-09-04 | 1981-04-09 | Canon Inc | Scanning optical system having inclination correcting function |
CH651941A5 (de) * | 1979-09-10 | 1985-10-15 | Cerberus Ag | Optische anordnung fuer einen strahlungsdetektor. |
JPS5776512A (en) * | 1980-10-31 | 1982-05-13 | Konishiroku Photo Ind Co Ltd | Large-aperture aspheric single lens |
JPS57144515A (en) * | 1981-03-03 | 1982-09-07 | Canon Inc | Scan optical system having fall compensating function |
JPS57144516A (en) * | 1981-03-03 | 1982-09-07 | Canon Inc | Scan optical system having fall compensating function |
JPS59228221A (ja) * | 1983-06-08 | 1984-12-21 | Sumitomo Electric Ind Ltd | ハイブリツドレンズ |
JPS60159818A (ja) * | 1984-01-31 | 1985-08-21 | Asahi Optical Co Ltd | ビ−ム整形光学系 |
JPS60191223A (ja) * | 1984-03-12 | 1985-09-28 | Asahi Optical Co Ltd | ビ−ム整形光学系 |
JPS60175018A (ja) * | 1984-02-20 | 1985-09-09 | Asahi Optical Co Ltd | ビ−ム整形光学系 |
JPS6188213A (ja) * | 1984-10-05 | 1986-05-06 | Canon Inc | 結像光学系 |
JPS61254915A (ja) * | 1985-05-03 | 1986-11-12 | Canon Inc | 光束径調整用の光学系 |
JPH0782157B2 (ja) * | 1986-01-24 | 1995-09-06 | 株式会社リコー | 面倒れ補正機能をもつ走査光学系 |
-
1988
- 1988-04-06 DE DE3852416T patent/DE3852416T2/de not_active Expired - Lifetime
- 1988-04-06 EP EP88303045A patent/EP0286368B1/de not_active Expired - Lifetime
- 1988-04-06 US US07/178,343 patent/US4915484A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0286368B1 (de) | 1994-12-14 |
EP0286368A3 (en) | 1990-10-17 |
US4915484A (en) | 1990-04-10 |
DE3852416D1 (de) | 1995-01-26 |
EP0286368A2 (de) | 1988-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |