JP2006164450A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2006164450A5 JP2006164450A5 JP2004357122A JP2004357122A JP2006164450A5 JP 2006164450 A5 JP2006164450 A5 JP 2006164450A5 JP 2004357122 A JP2004357122 A JP 2004357122A JP 2004357122 A JP2004357122 A JP 2004357122A JP 2006164450 A5 JP2006164450 A5 JP 2006164450A5
- Authority
- JP
- Japan
- Prior art keywords
- recording
- reproduction
- optical
- λfs
- light source
- 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
Claims (10)
上記光源の発振波長をλｆｓ、上記記録材料の記録時の光励起中心波長をλｒｅｃ、再生時の光励起中心波長をλｒｄ、再生時の発光中心波長をλｐｌとすると、
λｒｅｃ≠λｒｄ≠λｐｌ≠λｆｓ
である
ことを特徴とする光記録再生方式。 An optical recording / reproducing system that performs recording and / or reproduction by irradiating a recording material with a laser beam emitted from a light source,
When the oscillation wavelength of the light source is λfs, the optical excitation center wavelength during recording of the recording material is λrec, the optical excitation center wavelength during reproduction is λrd, and the emission center wavelength during reproduction is λpl,
λrec ≠ λrd ≠ λpl ≠ λfs
An optical recording / reproducing system characterized by
λｒｅｃ≒λｆｓ／ｎ
λｒｄ≒λｆｓ／ｍ
（但し、ｎは２以上の整数、ｍは１以上の整数、ｎ＞ｍ）
とする
ことを特徴とする請求項１記載の光記録再生方式。 The optical excitation center wavelengths λrec and λrd at the time of recording and reproduction are respectively set to λrec≈λfs / n with respect to the oscillation wavelength λfs of the light source.
λrd≈λfs / m
(However, n is an integer of 2 or more, m is an integer of 1 or more, and n> m)
The optical recording / reproducing method according to claim 1, wherein:
ことを特徴とする請求項１記載の光記録再生方式。 Excitation center wavelength during the reproduction, the optical recording and reproducing system according to claim 1, characterized in that the change by the photoexcitation during recording.
ことを特徴とする請求項２記載の光記録再生方式。 Excitation center wavelength during the reproduction, the optical recording and reproducing system according to claim 2, characterized in that the change by the photoexcitation during recording.
λｆｓ／２＜λｐｌ＜λｆｓ
とする
ことを特徴とする請求項３記載の光記録再生方式。 The light emission during reproduction of the recording material is fluorescence emission, and the emission center wavelength λpl is
λfs / 2 <λpl <λfs
The optical recording / reproducing method according to claim 3, wherein:
λｆｓ／２＜λｐｌ＜λｆｓ
とする
ことを特徴とする請求項４記載の光記録再生方式。 The light emission during reproduction of the recording material is fluorescence emission, and the emission center wavelength λpl is
λfs / 2 <λpl <λfs
The optical recording / reproducing system according to claim 4, wherein:
上記光源の発振波長をλｆｓ、上記記録媒体における記録材料の記録時の光励起中心波長をλｒｅｃ、再生時の光励起中心波長をλｒｄ、再生時の発光中心波長をλｐｌとすると、
λｒｅｃ≠λｒｄ≠λｐｌ≠λｆｓ
とされる
ことを特徴とする光記録再生装置。 An optical recording / reproducing apparatus that performs recording and / or reproduction by irradiating a recording medium with laser light emitted from a light source,
When the oscillation wavelength of the light source is λfs, the optical excitation center wavelength during recording of the recording material on the recording medium is λrec, the optical excitation center wavelength during reproduction is λrd, and the emission center wavelength during reproduction is λpl,
λrec ≠ λrd ≠ λpl ≠ λfs
An optical recording / reproducing apparatus characterized by that.
ことを特徴とする請求項７記載の光記録再生装置。 8. The optical recording / reproducing apparatus according to claim 7, wherein at least one of the light sources is a light source that oscillates a pulse laser beam, and a pulse width thereof is 1 ps or less.
上記再生用光源は、上記記録媒体の再生時の光励起中心波長λｒｄに対応する発振波長を有する
ことを特徴とする請求項８記載の光記録再生装置。 Apart from the light source that oscillates the pulse laser beam, a light source for reproduction is provided,
9. The optical recording / reproducing apparatus according to claim 8, wherein the reproduction light source has an oscillation wavelength corresponding to an optical excitation center wavelength λrd during reproduction of the recording medium.
ことを特徴とする請求項９記載の光記録再生装置。 The optical recording / reproducing apparatus according to claim 9, further comprising a confocal optical system for irradiating the recording medium with laser light from the reproduction light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004357122A JP4525327B2 (en) | 2004-12-09 | 2004-12-09 | Optical recording and playback method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004357122A JP4525327B2 (en) | 2004-12-09 | 2004-12-09 | Optical recording and playback method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006164450A JP2006164450A (en) | 2006-06-22 |
| JP2006164450A5 true JP2006164450A5 (en) | 2007-12-27 |
| JP4525327B2 JP4525327B2 (en) | 2010-08-18 |
Family
ID=36666263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004357122A Expired - Fee Related JP4525327B2 (en) | 2004-12-09 | 2004-12-09 | Optical recording and playback method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4525327B2 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5268862A (en) * | 1989-04-25 | 1993-12-07 | The Regents Of The Unversity Of California | Three-dimensional optical memory |
| JPH07114747A (en) * | 1993-10-18 | 1995-05-02 | Sanyo Electric Co Ltd | Optical recording medium and its recording method |
| US6071671A (en) * | 1996-12-05 | 2000-06-06 | Omd Devices Llc | Fluorescent optical memory |
| JP2001318448A (en) * | 2000-02-28 | 2001-11-16 | Fuji Photo Film Co Ltd | Recording medium, multi-valued information recording method and device, multi-valued information reproducing method and device |
| JP4241726B2 (en) * | 2002-10-10 | 2009-03-18 | ランダウアー インコーポレイテッド | Bit-type optical data storage using aluminum oxide single crystal media |
| JP2004213705A (en) * | 2002-12-26 | 2004-07-29 | Ricoh Co Ltd | Three-dimensional information recording medium, and recording and reproducing device |
-
2004
- 2004-12-09 JP JP2004357122A patent/JP4525327B2/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2005328040A5 (en) | ||
| SG126119A1 (en) | Method for recording information into rewritable thermal label of the non-contact type | |
| CN111164108A (en) | Photopolymerizable composition, material obtained by polymerizing the composition, and 3D printing method using the composition | |
| ATE326049T1 (en) | OPTICAL RECORDING MEDIUM | |
| EP1117096A3 (en) | Optical pickup | |
| JP5414147B2 (en) | Stereoscopic high resolution imaging | |
| EP1655727A4 (en) | Optical pickup device | |
| JP2006164450A5 (en) | ||
| JP2004039046A5 (en) | ||
| JP2004139638A5 (en) | ||
| ATE435486T1 (en) | OPTICAL INFORMATION STORAGE MEDIUM WITH TWO DIFFERENT WRITE/READ WAVELENGTHS AND THEIR PRODUCTION PROCESS | |
| RU2010120708A (en) | SHORT-PULSE LIGHT SOURCE, METHOD FOR LASER RADIATION, OPTICAL DEVICE, OPTICAL DISK DEVICE AND OPTICAL HEAD | |
| EP1191522A3 (en) | Optical pickup apparatus | |
| JP2003242643A5 (en) | ||
| JP2005003450A5 (en) | ||
| TW200638368A (en) | Optical disk device and method for controlling the same | |
| JP2002202686A5 (en) | ||
| JP2005071538A5 (en) | ||
| JP2005064387A5 (en) | ||
| WO1990008413A1 (en) | Solid laser | |
| EP1471512A3 (en) | Information recording apparatus and information recording method | |
| TW200606911A (en) | Information processing apparatus | |
| TW200704721A (en) | Anionic phthalocyanine based dyes for use as bca dye in an optical recording layer for blue laser recording | |
| JP2006164451A (en) | Method and device for optical recording and reproduction | |
| JP2003208713A5 (en) |