JP2016218436A5 - - Google Patents
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- Publication number
- JP2016218436A5 JP2016218436A5 JP2016084952A JP2016084952A JP2016218436A5 JP 2016218436 A5 JP2016218436 A5 JP 2016218436A5 JP 2016084952 A JP2016084952 A JP 2016084952A JP 2016084952 A JP2016084952 A JP 2016084952A JP 2016218436 A5 JP2016218436 A5 JP 2016218436A5
- Authority
- JP
- Japan
- Prior art keywords
- optical element
- diffractive optical
- element according
- grating
- thin film
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 23
- 239000010409 thin film Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 239000010408 film Substances 0.000 claims description 3
- 230000008033 biological extinction Effects 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 claims description 2
- 230000010287 polarization Effects 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015099964 | 2015-05-15 | ||
| JP2015099964 | 2015-05-15 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016218436A JP2016218436A (ja) | 2016-12-22 |
| JP2016218436A5 true JP2016218436A5 (enExample) | 2019-05-30 |
| JP6873602B2 JP6873602B2 (ja) | 2021-05-19 |
Family
ID=57581153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016084952A Active JP6873602B2 (ja) | 2015-05-15 | 2016-04-21 | 回折光学素子、光学系、および、光学機器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6873602B2 (enExample) |
Families Citing this family (5)
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-04-21 JP JP2016084952A patent/JP6873602B2/ja active Active
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