JP6873602B2 - 回折光学素子、光学系、および、光学機器 - Google Patents

回折光学素子、光学系、および、光学機器 Download PDF

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JP6873602B2
JP6873602B2 JP2016084952A JP2016084952A JP6873602B2 JP 6873602 B2 JP6873602 B2 JP 6873602B2 JP 2016084952 A JP2016084952 A JP 2016084952A JP 2016084952 A JP2016084952 A JP 2016084952A JP 6873602 B2 JP6873602 B2 JP 6873602B2
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optical element
diffractive optical
thin film
diffraction
wavelength
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JP2016218436A (ja
JP2016218436A5 (enExample
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礼生奈 牛込
礼生奈 牛込
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Canon Inc
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Canon Inc
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JP2016084952A 2015-05-15 2016-04-21 回折光学素子、光学系、および、光学機器 Active JP6873602B2 (ja)

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US15/149,245 US10133084B2 (en) 2015-05-15 2016-05-09 Diffractive optical element, optical system, and optical apparatus which reduce generation of unnecessary light

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JP2015099964 2015-05-15
JP2015099964 2015-05-15

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JP2016218436A5 JP2016218436A5 (enExample) 2019-05-30
JP6873602B2 true JP6873602B2 (ja) 2021-05-19

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7106279B2 (ja) * 2017-02-20 2022-07-26 キヤノン株式会社 回折光学素子及び光学機器
US10845516B2 (en) 2017-02-20 2020-11-24 Canon Kabushiki Kaisha Diffractive optical element
JP6929350B2 (ja) * 2017-03-29 2021-09-01 キヤノン株式会社 回折光学素子及びそれを有する光学系、撮像装置、レンズ装置
JP2019066756A (ja) * 2017-10-04 2019-04-25 キヤノン株式会社 回折光学素子を備えた光学系および光学機器
JP7071085B2 (ja) * 2017-10-12 2022-05-18 キヤノン株式会社 回折光学素子、光学系、および、撮像装置

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* Cited by examiner, † Cited by third party
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JPWO2011099550A1 (ja) * 2010-02-15 2013-06-13 株式会社ニコン 光学素子及び光学系
JP2014170109A (ja) * 2013-03-04 2014-09-18 Canon Inc 回折光学素子、光学系および光学機器

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