JP2005316393A5 - - Google Patents

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Publication number
JP2005316393A5
JP2005316393A5 JP2005029301A JP2005029301A JP2005316393A5 JP 2005316393 A5 JP2005316393 A5 JP 2005316393A5 JP 2005029301 A JP2005029301 A JP 2005029301A JP 2005029301 A JP2005029301 A JP 2005029301A JP 2005316393 A5 JP2005316393 A5 JP 2005316393A5
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JP
Japan
Prior art keywords
optical
light beam
members
optical element
optical members
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Application number
JP2005029301A
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Japanese (ja)
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JP4649222B2 (en
JP2005316393A (en
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Publication date
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Priority to JP2005029301A priority Critical patent/JP4649222B2/en
Priority claimed from JP2005029301A external-priority patent/JP4649222B2/en
Publication of JP2005316393A publication Critical patent/JP2005316393A/en
Publication of JP2005316393A5 publication Critical patent/JP2005316393A5/ja
Application granted granted Critical
Publication of JP4649222B2 publication Critical patent/JP4649222B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (5)

有限の曲率を有する光学面の上に反射防止機能を有する使用する光束の波長より小さい凸形状の複数の光学部材を設けた光学素子であって、
前記複数の光学部材は、前記有限な曲率を有する光学面の上に、前記光学面の法線方向に独立して形成され、
前記複数の光学部材は、隣接する光学部材の中心間隔の距離の平均値をＤ、標準偏差をσとするとき、
Ｄ／２００ ＜ σ ＜ Ｄ／１０
なる条件を満足する範囲でランダムに配置されていることを特徴とする光学素子。 An optical element in which a plurality of optical members having a convex shape smaller than the wavelength of a light beam to be used having an antireflection function are provided on an optical surface having a finite curvature,
The plurality of optical members are formed independently on a normal direction of the optical surface on the optical surface having the finite curvature,
When the average value of the distance between the centers of adjacent optical members is D and the standard deviation is σ, the plurality of optical members are
D / 200 <σ <D / 10
An optical element that is randomly arranged within a range that satisfies the following conditions . 前記複数の光学部材のうち、隣接する光学部材の中心間隔の距離の平均値をＤ、前記使用する光束の波長をλとするとき、
Ｄ＜λ／２
なる条件を満足することを特徴とする請求項１に記載の光学素子。 When the average value of the distance between the centers of adjacent optical members among the plurality of optical members is D, and the wavelength of the light beam to be used is λ
D <λ / 2
The optical element according to claim 1, wherein the following condition is satisfied. 前記光学素子は、前記光束を被走査面の上に結像させるｆθレンズであることを特徴とする請求項１又は２に記載の光学素子。 The optical element, the optical element according to claim 1 or 2, characterized in that said light beam is a fθ lens for forming on the surface to be scanned. 請求項３に記載のｆθレンズと、光源手段と、前記光源手段から出射した光束を偏向する光偏向器と、を搭載したことを特徴とする光走査装置。 An optical scanning apparatus comprising: the fθ lens according to claim 3; a light source unit; and an optical deflector that deflects a light beam emitted from the light source unit. 請求項４に記載の光走査装置と、前記被走査面に配置された感光ドラムと、を有することを特徴とする画像形成装置。An image forming apparatus comprising: the optical scanning device according to claim 4; and a photosensitive drum disposed on the surface to be scanned.
JP2005029301A 2004-03-31 2005-02-04 Manufacturing method of imaging lens Expired - Fee Related JP4649222B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005029301A JP4649222B2 (en) 2004-03-31 2005-02-04 Manufacturing method of imaging lens

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004105246 2004-03-31
JP2005029301A JP4649222B2 (en) 2004-03-31 2005-02-04 Manufacturing method of imaging lens

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010160571A Division JP2010250349A (en) 2004-03-31 2010-07-15 Optical element and optical scanner using the same

Publications (3)

Publication Number Publication Date
JP2005316393A JP2005316393A (en) 2005-11-10
JP2005316393A5 true JP2005316393A5 (en) 2008-03-21
JP4649222B2 JP4649222B2 (en) 2011-03-09

Family

ID=35443833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005029301A Expired - Fee Related JP4649222B2 (en) 2004-03-31 2005-02-04 Manufacturing method of imaging lens

Country Status (1)

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JP (1) JP4649222B2 (en)

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JP2006171219A (en) * 2004-12-14 2006-06-29 Canon Inc Optical element, its manufacturing method and optical appliance using it
EP1855127A1 (en) * 2006-05-12 2007-11-14 Rolic AG Optically effective surface relief microstructures and method of making them
JP2008145457A (en) 2006-12-05 2008-06-26 Canon Inc Optical element and image projection apparatus
JP5283846B2 (en) * 2007-02-09 2013-09-04 三菱レイヨン株式会社 Molded body and manufacturing method thereof
JP2008209540A (en) * 2007-02-26 2008-09-11 Mitsubishi Rayon Co Ltd Reflection preventing article
JP2008209867A (en) * 2007-02-28 2008-09-11 Mitsubishi Rayon Co Ltd Stamper, glare-proof antireflection article, and its manufacturing method
JP2009109572A (en) * 2007-10-26 2009-05-21 Mitsubishi Rayon Co Ltd Antireflection article
JP5439783B2 (en) 2008-09-29 2014-03-12 ソニー株式会社 Optical element, optical component with antireflection function, and master
JP5511313B2 (en) * 2008-11-07 2014-06-04 キヤノン株式会社 Optical element molding die, optical element molding mold manufacturing method, optical element, and optical element manufacturing method
JP2011002762A (en) * 2009-06-22 2011-01-06 Dnp Fine Chemicals Co Ltd Molding having light antireflection effect
JP5698916B2 (en) * 2010-03-17 2015-04-08 公益財団法人神奈川科学技術アカデミー Method for producing resin material having surface uneven pattern
JP2012014083A (en) * 2010-07-02 2012-01-19 Hoya Corp Optical element, imaging apparatus using the same, and lens interchangeable camera
JP5621436B2 (en) * 2010-09-13 2014-11-12 リコーイメージング株式会社 Mold, manufacturing method thereof, element and optical element
KR101338850B1 (en) 2010-10-14 2013-12-06 한국과학기술원 A method for manufacturing spherical metal mold having nano structure and anti-reflective plastic lens using therof
JP2013218045A (en) * 2012-04-06 2013-10-24 Asahi Kasei E-Materials Corp Light transmitting material
JP6545096B2 (en) * 2015-12-24 2019-07-17 株式会社チノー Human body detector
JP6581287B2 (en) * 2016-03-02 2019-09-25 シャープ株式会社 Manufacturing method of lens mold

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635212Y2 (en) * 1987-04-08 1994-09-14 富士ゼロックス株式会社 Optical scanning device
JPH05314930A (en) * 1992-05-12 1993-11-26 Toshiba Corp Reflection preventive type cathode ray tube
JP2001215310A (en) * 2000-01-31 2001-08-10 Nitto Denko Corp Non-glare layer and optical member
JP2002131670A (en) * 2000-10-19 2002-05-09 Fuji Photo Film Co Ltd Optical scanner
JP2003043203A (en) * 2001-08-01 2003-02-13 Hitachi Maxell Ltd Antireflection film, method for manufacturing the same, stamper for manufacture of antireflection film, method for manufacturing the stamper, casting mold for manufacture of stamper and method for manufacturing the casting mold
JP2003066203A (en) * 2001-08-28 2003-03-05 Hitachi Maxell Ltd Method for forming fine rugged structure, and member having the ruggedness
JP2003114316A (en) * 2001-10-05 2003-04-18 Japan Science & Technology Corp Optical element
JP2003294910A (en) * 2002-04-08 2003-10-15 Sanyo Electric Co Ltd Optical element and light source device
JP4406553B2 (en) * 2003-11-21 2010-01-27 財団法人神奈川科学技術アカデミー Method for manufacturing antireflection film

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