JP4591602B2 - 波長選択性回折素子および光ヘッド装置 - Google Patents
波長選択性回折素子および光ヘッド装置 Download PDFInfo
- Publication number
- JP4591602B2 JP4591602B2 JP2009012880A JP2009012880A JP4591602B2 JP 4591602 B2 JP4591602 B2 JP 4591602B2 JP 2009012880 A JP2009012880 A JP 2009012880A JP 2009012880 A JP2009012880 A JP 2009012880A JP 4591602 B2 JP4591602 B2 JP 4591602B2
- Authority
- JP
- Japan
- Prior art keywords
- wavelength
- light
- diffraction
- lambda
- selective
- 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 - Fee Related
Links
Images
Landscapes
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009012880A JP4591602B2 (ja) | 2001-02-14 | 2009-01-23 | 波長選択性回折素子および光ヘッド装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001037552 | 2001-02-14 | ||
| JP2009012880A JP4591602B2 (ja) | 2001-02-14 | 2009-01-23 | 波長選択性回折素子および光ヘッド装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001378925A Division JP4345256B2 (ja) | 2001-02-14 | 2001-12-12 | 波長選択性回折素子および光ヘッド装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009093795A JP2009093795A (ja) | 2009-04-30 |
| JP2009093795A5 JP2009093795A5 (enExample) | 2010-03-25 |
| JP4591602B2 true JP4591602B2 (ja) | 2010-12-01 |
Family
ID=40665603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009012880A Expired - Fee Related JP4591602B2 (ja) | 2001-02-14 | 2009-01-23 | 波長選択性回折素子および光ヘッド装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4591602B2 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5496258B2 (ja) * | 2012-06-11 | 2014-05-21 | キヤノン株式会社 | 積層型回折光学素子および光学系 |
| WO2024214807A1 (ja) * | 2023-04-13 | 2024-10-17 | 富士フイルム株式会社 | ビームスプリッター、光波長選択スイッチ装置 |
| WO2024214803A1 (ja) * | 2023-04-13 | 2024-10-17 | 富士フイルム株式会社 | ビームスプリッターおよび光波長選択スイッチ装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0336314U (enExample) * | 1989-08-09 | 1991-04-09 | ||
| WO1998013826A1 (en) * | 1996-09-27 | 1998-04-02 | Sanyo Electric Co., Ltd. | Optical pickup device and wavelength selective diffraction grating |
| JP2000123403A (ja) * | 1998-10-19 | 2000-04-28 | Victor Co Of Japan Ltd | 光ピックアップ及び光デバイス |
| JP2000258605A (ja) * | 1999-03-04 | 2000-09-22 | Fuji Photo Film Co Ltd | 光学フィルターおよび反射防止膜 |
| JP2001028145A (ja) * | 1999-07-13 | 2001-01-30 | Toshiba Corp | 光学ヘッド装置及びディスク録再装置 |
-
2009
- 2009-01-23 JP JP2009012880A patent/JP4591602B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009093795A (ja) | 2009-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4345256B2 (ja) | 波長選択性回折素子および光ヘッド装置 | |
| US7110180B2 (en) | Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk drive | |
| KR101105186B1 (ko) | 편광성 회절소자 및 광 헤드장치 | |
| JP2010153027A (ja) | 回折素子および光ヘッド装置 | |
| JP4691830B2 (ja) | 波長選択性回折素子および光ヘッド装置 | |
| JP4560906B2 (ja) | 光ヘッド装置 | |
| JP4591602B2 (ja) | 波長選択性回折素子および光ヘッド装置 | |
| WO2004097819A1 (ja) | 光回折素子および光情報処理装置 | |
| JP4378832B2 (ja) | 光ヘッド装置 | |
| US7548359B2 (en) | Double-wavelength light source unit and optical head device having four diffraction gratings | |
| KR101097078B1 (ko) | 회절 소자 및 광헤드 장치 | |
| JP3851253B2 (ja) | 回折格子及び光ピックアップ | |
| EP1562186B1 (en) | Double-wavelength light source unit and optical head device | |
| CN100351927C (zh) | 衍射元件和光学头装置 | |
| CN101614837A (zh) | 偏振衍射元件和光学头装置 | |
| JP4599763B2 (ja) | 光ヘッド装置 | |
| JP4735749B2 (ja) | 光ヘッド装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100209 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100720 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100817 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100830 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130924 Year of fee payment: 3 |
|
| R151 | Written notification of patent or utility model registration |
Ref document number: 4591602 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130924 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130924 Year of fee payment: 3 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130924 Year of fee payment: 3 |
|
| R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130924 Year of fee payment: 3 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |