JPS58143443A - 半導体レ−ザを用いた光学装置 - Google Patents
半導体レ−ザを用いた光学装置Info
- Publication number
- JPS58143443A JPS58143443A JP57025522A JP2552282A JPS58143443A JP S58143443 A JPS58143443 A JP S58143443A JP 57025522 A JP57025522 A JP 57025522A JP 2552282 A JP2552282 A JP 2552282A JP S58143443 A JPS58143443 A JP S58143443A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- astigmatism
- plane
- laser
- axis
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Head (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57025522A JPS58143443A (ja) | 1982-02-19 | 1982-02-19 | 半導体レ−ザを用いた光学装置 |
CA000419648A CA1204199A (en) | 1982-02-19 | 1983-01-18 | Optical apparatus |
FR8302694A FR2524158B1 (fr) | 1982-02-19 | 1983-02-18 | Dispositif de correction de l'astigmatisme d'un appareil optique utilisant comme source de lumiere un laser semi-conducteur |
KR1019830000668A KR910008493B1 (ko) | 1982-02-19 | 1983-02-18 | 반도체 레이저를 사용한 광학장치 |
DE19833305675 DE3305675A1 (de) | 1982-02-19 | 1983-02-18 | Optisches geraet mit einem halbleiterlaser |
GB08304572A GB2119114B (en) | 1982-02-19 | 1983-02-18 | Optical apparatus |
US06/770,000 US4577941A (en) | 1982-02-19 | 1985-08-26 | Optical apparatus |
KR1019910013078A KR910008500B1 (ko) | 1982-02-19 | 1991-07-30 | 광학장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57025522A JPS58143443A (ja) | 1982-02-19 | 1982-02-19 | 半導体レ−ザを用いた光学装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58251812A Division JPS59146013A (ja) | 1983-12-23 | 1983-12-23 | 光学装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58143443A true JPS58143443A (ja) | 1983-08-26 |
JPH056261B2 JPH056261B2 (US07902200-20110308-C00004.png) | 1993-01-26 |
Family
ID=12168382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57025522A Granted JPS58143443A (ja) | 1982-02-19 | 1982-02-19 | 半導体レ−ザを用いた光学装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58143443A (US07902200-20110308-C00004.png) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61165837A (ja) * | 1985-01-16 | 1986-07-26 | Matsushita Electric Ind Co Ltd | レ−ザ−発光装置 |
US7068694B2 (en) | 2003-06-02 | 2006-06-27 | Rohm Co., Ltd. | Mold type semiconductor laser |
JP2012098601A (ja) * | 2010-11-04 | 2012-05-24 | Sumitomo Electric Ind Ltd | 偏波合成分離装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5645815U (US07902200-20110308-C00004.png) * | 1979-09-14 | 1981-04-24 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS527518A (en) * | 1975-07-02 | 1977-01-20 | Kyoei Sangyo Kk | Transfer apparatus |
-
1982
- 1982-02-19 JP JP57025522A patent/JPS58143443A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5645815U (US07902200-20110308-C00004.png) * | 1979-09-14 | 1981-04-24 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61165837A (ja) * | 1985-01-16 | 1986-07-26 | Matsushita Electric Ind Co Ltd | レ−ザ−発光装置 |
US7068694B2 (en) | 2003-06-02 | 2006-06-27 | Rohm Co., Ltd. | Mold type semiconductor laser |
JP2012098601A (ja) * | 2010-11-04 | 2012-05-24 | Sumitomo Electric Ind Ltd | 偏波合成分離装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH056261B2 (US07902200-20110308-C00004.png) | 1993-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4577941A (en) | Optical apparatus | |
JPH06294940A (ja) | ビーム整形素子、並びにそのような素子を有する放射源及び光学走査ユニット | |
JPH0412039B2 (US07902200-20110308-C00004.png) | ||
US6088170A (en) | Optical system for shaping light beams and an optical pickup employing the same | |
JPH09501789A (ja) | 光学的走査装置及びこの装置に用いるためのビーム成形器及び放射源ユニット | |
US6339577B1 (en) | Optical disk system, optical head device, and beam reshaping device | |
JPS58143443A (ja) | 半導体レ−ザを用いた光学装置 | |
US6627869B2 (en) | Beam shaper, and semiconductor laser source device and optical head using the beam shaper | |
RU2176097C2 (ru) | Оптическая система для формирования пучка (варианты) и оптический датчик | |
US4805992A (en) | Astigmatism generator | |
JPS60140309A (ja) | 屈折率分布型単レンズ | |
JPH0536767B2 (US07902200-20110308-C00004.png) | ||
JPH08307006A (ja) | 半導体レーザ | |
JPH09259458A (ja) | 光学装置及びこの光学装置を用いた光ピックアップ装置 | |
JP3331144B2 (ja) | ビーム整形光学系 | |
KR910008500B1 (ko) | 광학장치 | |
JPS5928123A (ja) | 光学装置 | |
JPS61202339A (ja) | 光ピツクアツプ | |
JPS5917523A (ja) | 光学装置 | |
JP2004071071A (ja) | 光ピックアップ装置 | |
JPS58185047A (ja) | 光学的情報読取装置 | |
JPH0138561Y2 (US07902200-20110308-C00004.png) | ||
JPH0535871B2 (US07902200-20110308-C00004.png) | ||
JPH0256740A (ja) | ビーム整形装置と光学ヘッド装置 | |
JPS61148641A (ja) | 光学装置 |