JP2005275294A5 - - Google Patents
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- JP2005275294A5 JP2005275294A5 JP2004092336A JP2004092336A JP2005275294A5 JP 2005275294 A5 JP2005275294 A5 JP 2005275294A5 JP 2004092336 A JP2004092336 A JP 2004092336A JP 2004092336 A JP2004092336 A JP 2004092336A JP 2005275294 A5 JP2005275294 A5 JP 2005275294A5
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- JP
- Japan
- Prior art keywords
- layer
- film
- light
- optical element
- layers
- 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.)
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Claims (3)
前記反射防止膜が、基板側から奇数番目となる光透過膜層がＳｉＯ2 、偶数番目となる光透過膜層がＴａ2Ｏ5からなり、可視域または近赤外域における光の反射防止に用いられることを特徴とする光学素子。 An optical element provided with an antireflection film formed by laminating a light-transmitting film layer consisting of 5 to 11 odd layers on the surface of a base material made of sapphire,
The antireflection film, the light transmitting layer is SiO 2 which is a odd from the substrate side, Ri optically transparent film layer made of an even-numbered are Ta 2 O 5 Tona, anti-reflection of light in the visible region or near infrared region An optical element that is used .
Ｄ１＝（０．１１〜０．４９）×λ／４
Ｄ２＝（０．３３〜０．４９）×λ／４
Ｄ３＝（０．２５〜０．４１）×λ／４
Ｄ４＝（１．９９〜２．６５）×λ／４
Ｄ５＝（０．８０〜１．１２）×λ／４
であることを特徴とする請求項１記載の光学素子。 The antireflection film is formed by laminating five light-transmitting film layers. When the reference wavelength in the visible region or near infrared region is λ, the substrate side is the first layer, and the first layer to the first layer. When the optical film thicknesses of the five light transmission film layers are D1, D2, D3, D4, and D5, respectively.
D1 = (0.11 to 0.49) × λ / 4
D2 = (0.33 to 0.49) × λ / 4
D3 = (0.25-0.41) × λ / 4
D4 = (1.99-1.65) × λ / 4
D5 = (0.80-1.12) × λ / 4
The optical element according to claim 1, wherein:
Ｄ１＝（１．７５〜２．３６）×λ／４
Ｄ２＝（０．４２〜０．６９）×λ／４
Ｄ３＝（０．０９〜０．２５）×λ／４
Ｄ４＝（０．９３〜１．４２）×λ／４
Ｄ５＝（０．８５〜１．１２）×λ／４
であることを特徴とする請求項１記載の光学素子。 The antireflection film is formed by laminating five light-transmitting film layers. When the reference wavelength in the visible region or near infrared region is λ, the substrate side is the first layer, and the first layer to the first layer. When the optical film thicknesses of the five light transmission film layers are D1, D2, D3, D4, and D5, respectively.
D1 = (1.75 to 2.36) × λ / 4
D2 = (0.42 to 0.69) × λ / 4
D3 = (0.09 to 0.25) × λ / 4
D4 = (0.93 to 1.42) × λ / 4
D5 = (0.85 to 1.12) × λ / 4
The optical element according to claim 1, wherein:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004092336A JP2005275294A (en) | 2004-03-26 | 2004-03-26 | Optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004092336A JP2005275294A (en) | 2004-03-26 | 2004-03-26 | Optical element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005275294A JP2005275294A (en) | 2005-10-06 |
| JP2005275294A5 true JP2005275294A5 (en) | 2007-05-17 |
Family
ID=35174992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004092336A Pending JP2005275294A (en) | 2004-03-26 | 2004-03-26 | Optical element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2005275294A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005274527A (en) * | 2004-03-26 | 2005-10-06 | Cimeo Precision Co Ltd | Cover glass for clock |
| JP5292137B2 (en) * | 2009-03-16 | 2013-09-18 | Ｈｏｙａ株式会社 | Antireflection film and optical element |
| JP5893271B2 (en) | 2011-06-10 | 2016-03-23 | オリンパス株式会社 | Antireflection film, optical system, and optical apparatus |
| JP6202785B2 (en) | 2012-05-30 | 2017-09-27 | オリンパス株式会社 | Antireflection film, optical system, optical apparatus, and method for forming antireflection film |
| JPWO2013183457A1 (en) * | 2012-06-08 | 2016-01-28 | 旭硝子株式会社 | Optical element |
| JP6016155B2 (en) * | 2012-09-07 | 2016-10-26 | 東海光学株式会社 | Optical products and eyeglass plastic lenses |
| JP2014194530A (en) * | 2013-02-28 | 2014-10-09 | Asahi Glass Co Ltd | Optical element |
| US10532525B2 (en) | 2015-10-27 | 2020-01-14 | Lens Technology (Changsha) Co., Ltd. | Method for preparing sapphire lens and sapphire lens |
| CN109254333A (en) * | 2018-11-09 | 2019-01-22 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of anti-reflection membrane system easily etched based on wafer substrate |
-
2004
- 2004-03-26 JP JP2004092336A patent/JP2005275294A/en active Pending
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