JP4407495B2 - 広帯域1/2波長板 - Google Patents

広帯域1/2波長板 Download PDF

Info

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
Application number
JP2004344105A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006155743A (ja
JP2006155743A5 (enExample
Inventor
利昌 垣内
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AGC Inc
Original Assignee
Asahi Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Priority to JP2004344105A priority Critical patent/JP4407495B2/ja
Publication of JP2006155743A publication Critical patent/JP2006155743A/ja
Publication of JP2006155743A5 publication Critical patent/JP2006155743A5/ja
Application granted granted Critical
Publication of JP4407495B2 publication Critical patent/JP4407495B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Polarising Elements (AREA)
  • Optical Head (AREA)
JP2004344105A 2004-11-29 2004-11-29 広帯域1/2波長板 Expired - Lifetime JP4407495B2 (ja)

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)

* Cited by examiner, † Cited by third party
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

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