WO2004093063A3 - Systeme optique - Google Patents
Systeme optique Download PDFInfo
- Publication number
- WO2004093063A3 WO2004093063A3 PCT/IB2004/050453 IB2004050453W WO2004093063A3 WO 2004093063 A3 WO2004093063 A3 WO 2004093063A3 IB 2004050453 W IB2004050453 W IB 2004050453W WO 2004093063 A3 WO2004093063 A3 WO 2004093063A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mode
- information layer
- radiation beam
- optical
- record carrier
- 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
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
- G11B7/1367—Stepped phase plates
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03101063.0 | 2003-04-17 | ||
EP03101063 | 2003-04-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004093063A2 WO2004093063A2 (fr) | 2004-10-28 |
WO2004093063A3 true WO2004093063A3 (fr) | 2005-01-20 |
Family
ID=33185947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2004/050453 WO2004093063A2 (fr) | 2003-04-17 | 2004-04-15 | Systeme optique |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2004093063A2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006061755A2 (fr) * | 2004-12-10 | 2006-06-15 | Koninklijke Philips Electronics N.V. | Compensateur optique utilise dans un dispositif de balayage optique |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000041173A1 (fr) * | 1999-01-08 | 2000-07-13 | Asahi Kogaku Kogyo Kabushiki Kaisha | Capteur optique |
WO2001026103A1 (fr) * | 1999-10-06 | 2001-04-12 | Sony Corporation | Lentille d'objectif et capteur optique |
US20010008512A1 (en) * | 1999-12-28 | 2001-07-19 | Asahi Kogaku Kogyo Kabushiki Kaisha | Objective lens for optical pick-up |
US20030048535A1 (en) * | 2001-06-13 | 2003-03-13 | Asahi Kogaku Kogyo Kabushiki Kaisha | Objective lens for optical pick-up |
US20030058776A1 (en) * | 2001-04-12 | 2003-03-27 | Konica Corporation | Objective lens and optical pickup apparatus |
-
2004
- 2004-04-15 WO PCT/IB2004/050453 patent/WO2004093063A2/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000041173A1 (fr) * | 1999-01-08 | 2000-07-13 | Asahi Kogaku Kogyo Kabushiki Kaisha | Capteur optique |
WO2001026103A1 (fr) * | 1999-10-06 | 2001-04-12 | Sony Corporation | Lentille d'objectif et capteur optique |
US6674059B1 (en) * | 1999-10-06 | 2004-01-06 | Sony Corporation | Objective lens and optical pickup |
US20010008512A1 (en) * | 1999-12-28 | 2001-07-19 | Asahi Kogaku Kogyo Kabushiki Kaisha | Objective lens for optical pick-up |
US20030058776A1 (en) * | 2001-04-12 | 2003-03-27 | Konica Corporation | Objective lens and optical pickup apparatus |
US20030048535A1 (en) * | 2001-06-13 | 2003-03-13 | Asahi Kogaku Kogyo Kabushiki Kaisha | Objective lens for optical pick-up |
Non-Patent Citations (1)
Title |
---|
HENDRIKS B H W ET AL: "Application of nonperiodic phase structures in optical systems", APPLIED OPTICS, OPTICAL SOCIETY OF AMERICA,WASHINGTON, US, vol. 40, no. 35, 10 December 2001 (2001-12-10), pages 6548 - 6560, XP002264634, ISSN: 0003-6935 * |
Also Published As
Publication number | Publication date |
---|---|
WO2004093063A2 (fr) | 2004-10-28 |
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