NZ707231A - Optical tape pick up unit with holographic optical element - Google Patents
Optical tape pick up unit with holographic optical elementInfo
- Publication number
- NZ707231A NZ707231A NZ707231A NZ70723113A NZ707231A NZ 707231 A NZ707231 A NZ 707231A NZ 707231 A NZ707231 A NZ 707231A NZ 70723113 A NZ70723113 A NZ 70723113A NZ 707231 A NZ707231 A NZ 707231A
- Authority
- NZ
- New Zealand
- Prior art keywords
- wavefront error
- beams
- optical element
- order
- optical tape
- Prior art date
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
- G11B7/1395—Beam splitters or combiners
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
- G11B7/00458—Verification, i.e. checking data during or after recording
-
- 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
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- 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
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
-
- 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
- G11B7/1374—Objective lenses
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Lenses (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/682,915 US9245572B2 (en) | 2012-11-21 | 2012-11-21 | Optical tape pick up unit with holographic optical element |
| PCT/US2013/063973 WO2014081513A1 (en) | 2012-11-21 | 2013-10-09 | Optical tape pick up unit with holographic optical element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ707231A true NZ707231A (en) | 2017-01-27 |
Family
ID=49382668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ707231A NZ707231A (en) | 2012-11-21 | 2013-10-09 | Optical tape pick up unit with holographic optical element |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9245572B2 (enExample) |
| EP (1) | EP2923356B1 (enExample) |
| JP (1) | JP6234470B2 (enExample) |
| CN (1) | CN104813397B (enExample) |
| AU (1) | AU2013348369B2 (enExample) |
| NZ (1) | NZ707231A (enExample) |
| WO (1) | WO2014081513A1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB202104783D0 (en) * | 2021-04-01 | 2021-05-19 | Metacontinental Inc | Wafer-level optics assembly with holographic optical element |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8800057A (nl) * | 1988-01-11 | 1989-08-01 | Philips Nv | Optische aftastinrichting. |
| NL8800133A (nl) * | 1988-01-21 | 1989-08-16 | Philips Nv | Inrichting voor het met optische straling aftasten van een informatievlak. |
| US5490133A (en) * | 1990-10-05 | 1996-02-06 | Hitachi, Ltd. | Optical information processing apparatus and method of controlling position of optical spot and reproducing signals |
| US5272690A (en) * | 1992-03-05 | 1993-12-21 | International Business Machines Corporation | Hologram element system |
| US5835471A (en) | 1995-06-12 | 1998-11-10 | Canon Kabushiki Kaisha | Optical information recording and/or reproducing apparatus |
| JP2000099980A (ja) | 1998-09-17 | 2000-04-07 | Toshiba Corp | 光ディスク記録再生装置に使用される光学装置 |
| JP2000293883A (ja) * | 1999-04-08 | 2000-10-20 | Ricoh Co Ltd | 光ピックアップ装置 |
| KR100694032B1 (ko) * | 2000-04-17 | 2007-03-12 | 삼성전자주식회사 | 대물렌즈장치 및 이를 적용한 광픽업 장치 |
| JP2002163830A (ja) * | 2000-11-24 | 2002-06-07 | Toshiba Corp | 光学的収差を利用した光情報処理システムおよび厚みムラのある透明層で保護された記録層を持つ情報媒体 |
| DE60231002D1 (de) * | 2001-12-07 | 2009-03-12 | Koninkl Philips Electronics Nv | Feldkrümmungsreduktion für ein optisches system |
| CN1466133A (zh) * | 2002-07-01 | 2004-01-07 | 汕头高新区和川光电科技有限公司 | 一种光学读写装置 |
| KR100911141B1 (ko) * | 2002-09-03 | 2009-08-06 | 삼성전자주식회사 | 틸트에 따른 파면수차 보정 기능을 갖는 렌즈 및 광픽업 |
| EP1489604A1 (en) | 2003-06-19 | 2004-12-22 | Deutsche Thomson-Brandt Gmbh | Method for detecting spherical aberration |
| JP2006012218A (ja) * | 2004-06-22 | 2006-01-12 | Konica Minolta Opto Inc | 集光光学素子及び光ピックアップ装置 |
| JP4925256B2 (ja) * | 2006-01-20 | 2012-04-25 | 株式会社リコー | 光源ユニット、光検出ユニット、光ピックアップ装置及び光ディスク装置 |
| WO2007092785A2 (en) | 2006-02-02 | 2007-08-16 | Otsi Holdings Llc | Optical tape media, marking, systems, and apparatus and process for producing thereof |
| JP4797706B2 (ja) * | 2006-03-03 | 2011-10-19 | 旭硝子株式会社 | 光ヘッド装置 |
| WO2007102317A1 (ja) * | 2006-03-07 | 2007-09-13 | Konica Minolta Opto, Inc. | 光ピックアップ装置、対物光学素子及び光情報記録再生装置 |
| US7920339B2 (en) * | 2008-07-02 | 2011-04-05 | Aptina Imaging Corporation | Method and apparatus providing singlet wafer lens system with field flattener |
| US8451702B2 (en) | 2011-08-22 | 2013-05-28 | Oracle International Corporation | Direct read after write for optical storage device |
| JP6032634B2 (ja) * | 2011-09-22 | 2016-11-30 | パナソニックＩｐマネジメント株式会社 | 光ピックアップおよび光記録再生装置 |
| JP2013084329A (ja) * | 2011-09-29 | 2013-05-09 | Panasonic Corp | 光ピックアップ装置および光記録再生装置 |
| US8792317B2 (en) | 2012-03-09 | 2014-07-29 | Oracle International Corporation | Optical storage device with direct read after write |
-
2012
- 2012-11-21 US US13/682,915 patent/US9245572B2/en active Active
-
2013
- 2013-10-09 AU AU2013348369A patent/AU2013348369B2/en active Active
- 2013-10-09 EP EP13777463.4A patent/EP2923356B1/en active Active
- 2013-10-09 CN CN201380060510.1A patent/CN104813397B/zh active Active
- 2013-10-09 NZ NZ707231A patent/NZ707231A/en unknown
- 2013-10-09 JP JP2015544067A patent/JP6234470B2/ja active Active
- 2013-10-09 WO PCT/US2013/063973 patent/WO2014081513A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP2923356B1 (en) | 2019-05-01 |
| AU2013348369B2 (en) | 2017-09-28 |
| EP2923356A1 (en) | 2015-09-30 |
| US9245572B2 (en) | 2016-01-26 |
| AU2013348369A1 (en) | 2015-05-14 |
| US20140140184A1 (en) | 2014-05-22 |
| JP2016502222A (ja) | 2016-01-21 |
| CN104813397B (zh) | 2018-07-17 |
| WO2014081513A1 (en) | 2014-05-30 |
| JP6234470B2 (ja) | 2017-11-22 |
| CN104813397A (zh) | 2015-07-29 |
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Legal Events
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|---|---|---|---|
| PSEA | Patent sealed | ||
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