CN112099126B - 600-once-used 2700nm waveband achromatic half-wave plate - Google Patents
600-once-used 2700nm waveband achromatic half-wave plate Download PDFInfo
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- CN112099126B CN112099126B CN202011087349.5A CN202011087349A CN112099126B CN 112099126 B CN112099126 B CN 112099126B CN 202011087349 A CN202011087349 A CN 202011087349A CN 112099126 B CN112099126 B CN 112099126B
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- wave plate
- wave
- pair
- wave plates
- optical axes
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- 239000013078 crystal Substances 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims abstract description 11
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims abstract description 11
- 239000010453 quartz Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 239000004568 cement Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Classifications
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
Abstract
The invention discloses an achromatic half-wave plate with a wave band of 600-2700nm, which comprises three quartz crystal wave plates with the same thickness and three magnesium fluoride crystal wave plates with the same thickness; the assembly structure is that the quartz crystal wave plates and the magnesium fluoride crystal wave plates are orthogonally combined into 3 pairs of wave plates, the equivalent optical axes of the first pair of wave plates and the second pair of wave plates form an included angle of 0-180 degrees, the equivalent optical axes of the third pair of wave plates are parallel to the equivalent optical axes of the first pair of wave plates, and the optical axes of the 6 crystal wave plates are parallel to the light-passing surface; the thickness parameters of the quartz wave plate and the magnesium fluoride wave plate are calculated through the Jones matrix, and the half-wave plate with the precision of 600-2700nm wave band higher than 1/360 is obtained.
Description
Technical Field
The invention relates to a wave plate in an optical element, in particular to an achromatic half-wave plate with a wave band of 600-2700nm, and the application range is 600-2700 nm.
Background
A birefringent crystal of a certain thickness, such a wafer becoming a half wave plate, abbreviated as a half wave plate, into which polarized light enters when the normally incident light is transmitted and the phase difference between the ordinary light O and the ordinary light E is equal to pi or an odd multiple of pi, the vibration plane of the outgoing light being rotated by 2 deg. with respect to the vibration plane of the incoming light, the hot angle being the angle between the vibration plane of the incoming light and the optical axis on the crystal surface; the half-wave plate type in the current market is mainly a single-wave plate and a composite wave plate, the single-wave plate has a very short applicable wavelength range, the composite wave plate has a certain bandwidth in the applicable range, but the coverage range is not wide, and the precision is low.
Disclosure of Invention
In order to solve the problems that the prior composite wave plate has insufficient bandwidth and low precision, the invention provides a 600-2700nm wave band high-precision achromatic half-wave plate; the quartz crystal wave plates with the same thickness and the magnesium fluoride crystal wave plates with the same thickness are included; the assembly structure is that the quartz crystal wave plates and the magnesium fluoride crystal wave plates are orthogonally combined into 3 pairs of wave plates, the equivalent optical axes of the first pair of wave plates and the second pair of wave plates form a theta included angle, the equivalent optical axis of the third pair of wave plates is parallel to the optical axis of the first pair of wave plates, and the optical axes of the 6 crystal wave plates are parallel to the light transmission surface; the thickness parameters of the quartz wave plate and the magnesium fluoride wave plate are calculated through the Jones matrix, and the half-wave plate with the precision of 600-2700nm wave band higher than 1/360 is obtained.
Drawings
FIG. 1 is a block diagram of the present invention; fig. 2 is a delay amount curve according to the present invention.
Detailed Description
As shown in FIG. 1, 3 quartz crystal wave plates 1, 3 and 5 with the same thickness and 3 magnesium fluoride crystal wave plates 2, 4 and 6 with the same thickness are adopted, wherein optical axes of the 1, 2, 3, 4, 5 and 6 wave plates are orthogonal, namely the optical axes are mutually vertical, so as to form a wave plate, equivalent optical axes of the first pair (1 and 2) and the second pair (3 and 4) of wave plates form an included angle theta, the optical axes of the third pair (5 and 6) of equivalent wave plates are mutually parallel to the optical axes of the first pair (1 and 2) of wave plates, the optical axes of the 6 crystal wave plates are both parallel to a light-passing surface, the thicknesses of the quartz wave plates and the magnesium fluoride wave plates are calculated through a Jones matrix, an obtained retardation curve is shown in FIG. 2, a vertical coordinate unit is, a horizontal coordinate unit is um, and the retardation accuracy of 600 + 2700nm waveband is higher than that of 1/360.
Claims (2)
1. The 600-inch 2700nm waveband achromatic half-wave plate consists of three quartz crystal wave plates with the same thickness and three magnesium fluoride crystal wave plates with the same thickness; the first pair of wave plates, the second pair of wave plates and the third pair of wave plates are all combined by a quartz crystal wave plate and a magnesium fluoride crystal wave plate in an optical axis orthogonal mode; the first pair of wave plate equivalent optical axes and the second pair of wave plate equivalent optical axes form an included angle of 0-180 degrees, the third pair of wave plate equivalent optical axes are parallel to the first pair of wave plate equivalent optical axes, and the 6 crystal wave plate optical axes are parallel to the light passing surface; calculating the thickness parameters of the quartz crystal wave plate and the magnesium fluoride crystal wave plate through the Jones matrix to obtain a half-wave plate with the precision of 600-2700nm wave band higher than 1/360; by adopting the half wave plate with the structural design, the retardation amount changes by <1 DEG in the whole wavelength range of 600 + 2700nm, namely the retardation precision is better than lambda/360.
2. The 600-2700nm wavelength band achromatic half wave plate of claim 1, wherein: the connection mode between the 6 crystal wave plates can be optical cement or glue gluing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011087349.5A CN112099126B (en) | 2020-10-13 | 2020-10-13 | 600-once-used 2700nm waveband achromatic half-wave plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011087349.5A CN112099126B (en) | 2020-10-13 | 2020-10-13 | 600-once-used 2700nm waveband achromatic half-wave plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112099126A CN112099126A (en) | 2020-12-18 |
| CN112099126B true CN112099126B (en) | 2022-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011087349.5A Active CN112099126B (en) | 2020-10-13 | 2020-10-13 | 600-once-used 2700nm waveband achromatic half-wave plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112099126B (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2331812A (en) * | 1997-11-26 | 1999-06-02 | Sharp Kk | Optical retardation devices |
| CN1387071A (en) * | 2001-05-22 | 2002-12-25 | 北京亚科晶体器件有限责任公司 | Optical phase delay device |
| CN2881669Y (en) * | 2005-08-05 | 2007-03-21 | 福建华科光电有限公司 | Three-wave long-wave color different compound wave sheet |
| CN102096187B (en) * | 2010-12-23 | 2014-10-15 | 福建福晶科技股份有限公司 | Broadband achromatic Solier-Babinet compensator |
| CN202362527U (en) * | 2011-11-17 | 2012-08-01 | 福建福晶科技股份有限公司 | Adjustable broadband wave plate |
| CN103424797B (en) * | 2013-07-26 | 2016-04-13 | 华中科技大学 | A kind of four/a pair of Phase Retardation of Wave Plate device |
| CN103558688B (en) * | 2013-10-23 | 2015-10-28 | 深圳大学 | A kind of broadband double-refraction phase compensator |
| CN104914497B (en) * | 2015-06-25 | 2017-03-29 | 武汉颐光科技有限公司 | A kind of composite wave plate phase delay device Optimization Design |
| CN105204175B (en) * | 2015-10-16 | 2017-11-10 | 福建福晶科技股份有限公司 | A kind of ultra wide band achromatism compensator |
| CN105223637A (en) * | 2015-10-20 | 2016-01-06 | 福建福晶科技股份有限公司 | A kind of ITO and wave plate combined device |
| CN105527669A (en) * | 2015-12-31 | 2016-04-27 | 武汉光电工业技术研究院有限公司 | Ternary broadband achromatic aberration composite wave plate and manufacturing method thereof |
| CN106226857A (en) * | 2016-08-31 | 2016-12-14 | 武汉优光科技有限责任公司 | A kind of ultra broadband THREE-IN-ONE COMPOSITE ACHROMATIC phase delay chip |
| CN107783308A (en) * | 2017-10-30 | 2018-03-09 | 福建福晶科技股份有限公司 | A kind of broadband radial polarisation converter |
| CN109000798B (en) * | 2018-05-23 | 2019-11-22 | 华中科技大学 | A kind of Polarization Modulation structure and polarization measurement system |
-
2020
- 2020-10-13 CN CN202011087349.5A patent/CN112099126B/en active Active
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| CN112099126A (en) | 2020-12-18 |
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Effective date of registration: 20240118 Address after: 350000 on the first floor of Building 2, No. 3 Yaoxi Road, Nanyu Town, Minhou County, Fuzhou City, Fujian Province Patentee after: Fujian Zhiqi Photon Technology Co.,Ltd. Address before: 350003 Building 9, area F, 89 software Avenue, Fuzhou City, Fujian Province Patentee before: FUJIAN CASTECH CRYSTALS Inc. |
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