CN100498426C - 光学低通滤波器 - Google Patents

光学低通滤波器 Download PDF

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Publication number
CN100498426C
CN100498426C CNB038015099A CN03801509A CN100498426C CN 100498426 C CN100498426 C CN 100498426C CN B038015099 A CNB038015099 A CN B038015099A CN 03801509 A CN03801509 A CN 03801509A CN 100498426 C CN100498426 C CN 100498426C
Authority
CN
China
Prior art keywords
birefringent plate
birefringent
degree
optical low
pass filter
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
Application number
CNB038015099A
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English (en)
Chinese (zh)
Other versions
CN1592865A (zh
Inventor
齐藤秀史
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.)
Daishinku Corp
Original Assignee
Daishinku 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 Daishinku Corp filed Critical Daishinku Corp
Publication of CN1592865A publication Critical patent/CN1592865A/zh
Application granted granted Critical
Publication of CN100498426C publication Critical patent/CN100498426C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/08—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of polarising materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/288—Filters employing polarising elements, e.g. Lyot or Solc filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
CNB038015099A 2002-06-18 2003-06-05 光学低通滤波器 Expired - Fee Related CN100498426C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002177175 2002-06-18
JP177175/2002 2002-06-18

Publications (2)

Publication Number Publication Date
CN1592865A CN1592865A (zh) 2005-03-09
CN100498426C true CN100498426C (zh) 2009-06-10

Family

ID=29728145

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB038015099A Expired - Fee Related CN100498426C (zh) 2002-06-18 2003-06-05 光学低通滤波器

Country Status (5)

Country Link
JP (1) JPWO2003107073A1 (ja)
CN (1) CN100498426C (ja)
AU (1) AU2003242203A1 (ja)
TW (1) TWI269067B (ja)
WO (1) WO2003107073A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007271900A (ja) * 2006-03-31 2007-10-18 Kyocera Kinseki Corp １／４波長板
US8514316B2 (en) 2007-10-25 2013-08-20 Nikon Corporation Image device and optical device for providing dust removing capabilities

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001221979A (ja) * 2000-02-08 2001-08-17 Daishinku Corp 光学ローパスフィルタ用偏光解消板及びその偏光解消板を使用した光学ローパスフィルタ
JP2001272632A (ja) * 2000-01-21 2001-10-05 Daishinku Corp 偏光解消部材及び光学ローパスフィルタ用偏光解消部材並びにその偏光解消部材を使用した光学ローパスフィルタ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0943542A (ja) * 1995-07-28 1997-02-14 Daishinku Co 光学ローパスフィルタの製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001272632A (ja) * 2000-01-21 2001-10-05 Daishinku Corp 偏光解消部材及び光学ローパスフィルタ用偏光解消部材並びにその偏光解消部材を使用した光学ローパスフィルタ
JP2001221979A (ja) * 2000-02-08 2001-08-17 Daishinku Corp 光学ローパスフィルタ用偏光解消板及びその偏光解消板を使用した光学ローパスフィルタ

Also Published As

Publication number Publication date
WO2003107073A1 (ja) 2003-12-24
TWI269067B (en) 2006-12-21
JPWO2003107073A1 (ja) 2005-10-13
AU2003242203A1 (en) 2003-12-31
TW200402546A (en) 2004-02-16
CN1592865A (zh) 2005-03-09

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090610

Termination date: 20130605