JPS63314502A - 複屈折回折格子型光偏光板 - Google Patents

複屈折回折格子型光偏光板

Info

Publication number
JPS63314502A
JPS63314502A JP62130144A JP13014487A JPS63314502A JP S63314502 A JPS63314502 A JP S63314502A JP 62130144 A JP62130144 A JP 62130144A JP 13014487 A JP13014487 A JP 13014487A JP S63314502 A JPS63314502 A JP S63314502A
Authority
JP
Japan
Prior art keywords
light
diffraction grating
ion exchange
optical
crystal plate
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
Application number
JP62130144A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0575081B2 (enExample
Inventor
Yoshinori Ota
太田　義徳
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP62130144A priority Critical patent/JPS63314502A/ja
Publication of JPS63314502A publication Critical patent/JPS63314502A/ja
Publication of JPH0575081B2 publication Critical patent/JPH0575081B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Diffracting Gratings Or Hologram Optical Elements (AREA)
JP62130144A 1986-12-16 1987-05-26 複屈折回折格子型光偏光板 Granted JPS63314502A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62130144A JPS63314502A (ja) 1986-12-16 1987-05-26 複屈折回折格子型光偏光板

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP30078486 1986-12-16
JP30078386 1986-12-16
JP61-300784 1986-12-16
JP61-300783 1986-12-16
JP62-7805 1987-01-14
JP780587 1987-01-14
JP62130144A JPS63314502A (ja) 1986-12-16 1987-05-26 複屈折回折格子型光偏光板

Publications (2)

Publication Number Publication Date
JPS63314502A true JPS63314502A (ja) 1988-12-22
JPH0575081B2 JPH0575081B2 (enExample) 1993-10-19

Family

ID=27454800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62130144A Granted JPS63314502A (ja) 1986-12-16 1987-05-26 複屈折回折格子型光偏光板

Country Status (1)

Country Link
JP (1) JPS63314502A (enExample)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0565381A3 (en) * 1992-04-08 1993-12-01 Matsushita Electric Industrial Co Ltd Optical element and method of fabricating the same
JPH0627322A (ja) * 1992-04-08 1994-02-04 Matsushita Electric Ind Co Ltd 光学素子およびそれを用いた光情報処理装置および光学素子の製造方法
JPH06308309A (ja) * 1993-02-24 1994-11-04 Nec Corp 複屈折回折格子型偏光子及び光ヘッド装置
EP0612068A3 (en) * 1993-02-16 1995-12-06 Nec Corp Optical scanning head and birefringent diffraction grating polarizer and hologram polarizer therefor.
EP0692785A2 (en) 1994-06-30 1996-01-17 Matsushita Electric Industrial Co., Ltd. Optical head device
US5493555A (en) * 1989-06-26 1996-02-20 Nec Corporation Optical head using birefringent diffraction grating
WO1999050692A1 (en) * 1998-03-27 1999-10-07 Hitachi, Ltd. Polarizing diffraction grating and magneto-optical head made by using the same
US6046851A (en) * 1996-09-06 2000-04-04 Nec Corporation Polarization beam splitter and method for making the same
US6072579A (en) * 1998-08-27 2000-06-06 Ricoh Company, Ltd. Optical pickup apparatus having improved holographic optical element and photodetector
US6292441B1 (en) 1997-04-16 2001-09-18 Matsushita Electric Industrial Co., Ltd. Optical head device, optical information apparatus, and method for detecting focus error signal
US6532202B1 (en) 1999-07-07 2003-03-11 Matsushita Electric Industrial Co., Ltd. Optical element, optical head and optical recording reproducing apparatus
JP2007234194A (ja) * 2006-03-03 2007-09-13 Asahi Glass Co Ltd 光ヘッド装置
JP2009146528A (ja) * 2007-12-17 2009-07-02 Panasonic Corp 光ピックアップ装置、及び光ディスク装置

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5493555A (en) * 1989-06-26 1996-02-20 Nec Corporation Optical head using birefringent diffraction grating
JPH0627322A (ja) * 1992-04-08 1994-02-04 Matsushita Electric Ind Co Ltd 光学素子およびそれを用いた光情報処理装置および光学素子の製造方法
US5367403A (en) * 1992-04-08 1994-11-22 Matsushita Electric Industrial Co., Ltd. Optical element and method of fabricating the same
US5455712A (en) * 1992-04-08 1995-10-03 Matsushita Electric Industrial Co., Ltd. Optical element and method of fabricating the same
EP0565381A3 (en) * 1992-04-08 1993-12-01 Matsushita Electric Industrial Co Ltd Optical element and method of fabricating the same
US5883741A (en) * 1993-02-16 1999-03-16 Nec Corporation Optical head device and birefringent diffraction grating polarizer and polarizing hologram element used therein
EP0612068A3 (en) * 1993-02-16 1995-12-06 Nec Corp Optical scanning head and birefringent diffraction grating polarizer and hologram polarizer therefor.
EP0911822A3 (en) * 1993-02-16 2004-09-22 Nec Corporation Optical head device and birefringent diffraction grating polarizer and polarizing hologram element used therein
US5535055A (en) * 1993-02-16 1996-07-09 Nec Corporation Optical head device and birefringent diffraction grating polarizer and polarizing hologram element used therein
US5659531A (en) * 1993-02-16 1997-08-19 Nec Corporation Optical head device and birefringent diffraction grating polarizer and polarizing hologram element used therein
JPH06308309A (ja) * 1993-02-24 1994-11-04 Nec Corp 複屈折回折格子型偏光子及び光ヘッド装置
US5748599A (en) * 1994-06-30 1998-05-05 Matsushita Electric Industrial Co., Ltd. Holographic optical device
US5757754A (en) * 1994-06-30 1998-05-26 Matsushita Electric Industrial Co., Ltd. Holographic optical head
EP0692785A2 (en) 1994-06-30 1996-01-17 Matsushita Electric Industrial Co., Ltd. Optical head device
US6046851A (en) * 1996-09-06 2000-04-04 Nec Corporation Polarization beam splitter and method for making the same
US6292441B1 (en) 1997-04-16 2001-09-18 Matsushita Electric Industrial Co., Ltd. Optical head device, optical information apparatus, and method for detecting focus error signal
WO1999050692A1 (en) * 1998-03-27 1999-10-07 Hitachi, Ltd. Polarizing diffraction grating and magneto-optical head made by using the same
US6072579A (en) * 1998-08-27 2000-06-06 Ricoh Company, Ltd. Optical pickup apparatus having improved holographic optical element and photodetector
US6618344B1 (en) 1998-08-27 2003-09-09 Ricoh Company, Ltd. Optical pickup apparatus having improved holographic optical element and photodetector
US6532202B1 (en) 1999-07-07 2003-03-11 Matsushita Electric Industrial Co., Ltd. Optical element, optical head and optical recording reproducing apparatus
JP2007234194A (ja) * 2006-03-03 2007-09-13 Asahi Glass Co Ltd 光ヘッド装置
JP2009146528A (ja) * 2007-12-17 2009-07-02 Panasonic Corp 光ピックアップ装置、及び光ディスク装置

Also Published As

Publication number Publication date
JPH0575081B2 (enExample) 1993-10-19

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