JP4407495B2 - 広帯域1/2波長板 - Google Patents
広帯域1/2波長板 Download PDFInfo
- Publication number
- JP4407495B2 JP4407495B2 JP2004344105A JP2004344105A JP4407495B2 JP 4407495 B2 JP4407495 B2 JP 4407495B2 JP 2004344105 A JP2004344105 A JP 2004344105A JP 2004344105 A JP2004344105 A JP 2004344105A JP 4407495 B2 JP4407495 B2 JP 4407495B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- wavelength
- wave plate
- broadband
- anisotropic medium
- 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 - Lifetime
Links
Images
Landscapes
- Polarising Elements (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004344105A JP4407495B2 (ja) | 2004-11-29 | 2004-11-29 | 広帯域1/2波長板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004344105A JP4407495B2 (ja) | 2004-11-29 | 2004-11-29 | 広帯域1/2波長板 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009220784A Division JP4424448B2 (ja) | 2009-09-25 | 2009-09-25 | 光ヘッド装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006155743A JP2006155743A (ja) | 2006-06-15 |
| JP2006155743A5 JP2006155743A5 (enExample) | 2007-11-08 |
| JP4407495B2 true JP4407495B2 (ja) | 2010-02-03 |
Family
ID=36633854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004344105A Expired - Lifetime JP4407495B2 (ja) | 2004-11-29 | 2004-11-29 | 広帯域1/2波長板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4407495B2 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4874928B2 (ja) * | 2006-12-28 | 2012-02-15 | パナソニック株式会社 | 光ピックアップ装置及び光記録媒体駆動装置 |
| US20090122402A1 (en) * | 2007-11-14 | 2009-05-14 | Jds Uniphase Corporation | Achromatic Converter Of A Spatial Distribution Of Polarization Of Light |
| JP5002445B2 (ja) | 2007-12-26 | 2012-08-15 | 株式会社日立メディアエレクトロニクス | 光ピックアップ装置および光ディスク装置 |
| JP5131244B2 (ja) * | 2009-05-15 | 2013-01-30 | 旭硝子株式会社 | 積層位相板及び光ヘッド装置 |
-
2004
- 2004-11-29 JP JP2004344105A patent/JP4407495B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006155743A (ja) | 2006-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8643822B2 (en) | Non-etched flat polarization-selective diffractive optical elements | |
| US20090009668A1 (en) | Non-Etched Flat Polarization-Selective Diffractive Optical Elements | |
| JPWO2009084604A1 (ja) | 液晶素子および光ヘッド装置および可変光変調素子 | |
| JP2007025143A (ja) | 液晶光学素子および装置 | |
| JP4407495B2 (ja) | 広帯域1/2波長板 | |
| JP5316409B2 (ja) | 位相差素子および光ヘッド装置 | |
| JP4930084B2 (ja) | 広帯域波長板 | |
| JP4424448B2 (ja) | 光ヘッド装置 | |
| JP5333434B2 (ja) | 波長選択旋光子および光ヘッド装置 | |
| JP5131244B2 (ja) | 積層位相板及び光ヘッド装置 | |
| CN100360965C (zh) | 相位板以及光信息记录重放装置 | |
| JP2002357715A (ja) | 回折格子一体型旋光子および光ヘッド装置 | |
| JP2006236549A (ja) | 光ヘッド装置、広帯域位相板および偏光回折素子 | |
| US8040781B2 (en) | Wavelength selecting wavelength plate and optical head device using it | |
| JP5066841B2 (ja) | 光源装置および光ヘッド装置 | |
| JP2010165450A (ja) | 広帯域位相板、偏光回折素子および積層光学素子 | |
| JP2001344800A (ja) | 光ヘッド装置 | |
| KR100990347B1 (ko) | 위상판 및 광정보 기록재생 장치 | |
| JP2008262662A (ja) | 光ピックアップ用1/4波長板及び光ヘッド装置 | |
| JP2007256937A (ja) | 広帯域波長板 | |
| JP4626026B2 (ja) | 光ヘッド装置 | |
| JP2007280460A (ja) | 光ヘッド装置 | |
| JP4876826B2 (ja) | 位相差素子および光ヘッド装置 | |
| JP5083014B2 (ja) | 広帯域波長板および光ヘッド装置 | |
| KR100536186B1 (ko) | 광대역 위상지연판 및 이를 갖는 광학소자 및/또는광헤드장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070926 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071025 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090907 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090915 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090925 |
|
| 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: 20091020 |
|
| 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: 20091102 |
|
| R151 | Written notification of patent or utility model registration |
Ref document number: 4407495 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: 20121120 Year of fee payment: 3 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121120 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: 20121120 Year of fee payment: 3 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131120 Year of fee payment: 4 |
|
| 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 |
|
| 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 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |