CN103513429A - Collimation light splitter system - Google Patents
Collimation light splitter system Download PDFInfo
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- CN103513429A CN103513429A CN201310485026.5A CN201310485026A CN103513429A CN 103513429 A CN103513429 A CN 103513429A CN 201310485026 A CN201310485026 A CN 201310485026A CN 103513429 A CN103513429 A CN 103513429A
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- collimation
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- depolarization
- cube
- spectroscopy system
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Abstract
The invention provides a collimation light splitter system. The collimation light splitter system comprises a depolarization cube light splitter and a collimation lens. The collimation lens is located on the front end of a light path of the depolarization cube light splitter. The collimation lens is used for collimating a divergence light beam, thus the divergence light beam is converted into a parallel light and then comes into the depolarization cube light splitter, or the collimation lens is used for carrying out inverse collimation on a parallel light ejected by the depolarization cube light splitter, thus a convergent light beam is formed and then is ejected. According to the collimation light splitter system provided by the invention, a light beam collimation function is realized through the collimation lens; the depolarization cube light splitter is used to split the light beam into a specific direction, so as to realize a low polarization collimation light splitting function; and collimation light splitting can be carried out on a light source of any divergence angle.
Description
Technical field
The present invention relates to optical technical field, relate in particular to a kind of collimation spectroscopy system.
Background technology
Spectroscope is a kind of optical device of commonly using.Cube spectroscope consists of a pair of high-precision right-angle prism gummed, and the inclined-plane of a prism is coated with metal-dielectric film therein, make the directional light of a branch of specific wavelength can be divided into transmitted light and the reflected light of two bundle specific directions when miter angle directive glass, by changing film, be that component can realize different saturating inverse ratios, and can not change the polarization state of incident light.
Yet, the light angle of divergence that the light source such as laser instrument, light emitting diode sends is very large, light wave incident angle is inconsistent make transmitted light and the catoptrical direction of propagation inconsistent, polarization state also can change, cannot collect transmitted light and reflected light, so divergent light source can not directly be used spectroscope light splitting.
Summary of the invention
(1) technical matters that will solve
In view of above-mentioned technical matters, the invention provides a kind of collimation spectroscopy system, to reduce the impact of the incident light angle of divergence on transmission/catoptrical direction of propagation and polarization state.
(2) technical scheme
According to an aspect of the present invention, provide a kind of collimation spectroscopy system.This collimation spectroscopy system comprises: depolarization cube spectroscope; And collimation lens, be positioned at depolarization cube spectroscopical light path front end, for divergent beams are collimated, process and be converted into after directional light described in incident depolarization cube spectroscope or the directional light of described depolarization cube spectroscope outgoing carried out to contrary collimation and process and form outgoing after converging beam.
(3) beneficial effect
The present invention collimates spectroscopy system and realizes beam collimation function by collimation lens, then utilizes depolarization cube spectroscope separating light beam to specific direction, realizes low polarization collimation light splitting function, can be to the light splitting that collimates of the light source of any angle of divergence.
Accompanying drawing explanation
Fig. 1 is according to the perspective view of embodiment of the present invention collimation spectroscopy system;
Fig. 2 collimates the vertical view of spectroscopy system shown in Fig. 1;
Fig. 3 collimates spectroscopy system light forward path schematic diagram shown in Fig. 1.
Fig. 4 collimates spectroscopy system light reverse transfer path schematic diagram shown in Fig. 1.
[main element symbol description of the present invention]
1: column collimation lens;
1-1: light beam incident end face; 1-2: light beam outgoing end face;
2: depolarization cube spectroscope;
2-1: the inclined-plane of the second right-angle prism;
3-light source; 4-receiving element.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.It should be noted that, in accompanying drawing or instructions description, similar or identical part is all used identical figure number.The implementation that does not illustrate in accompanying drawing or describe is form known to a person of ordinary skill in the art in affiliated technical field.In addition, although the demonstration of the parameter that comprises particular value can be provided herein, should be appreciated that, parameter is without definitely equaling corresponding value, but can in acceptable error margin or design constraint, be similar to corresponding value.The direction term of mentioning in embodiment, such as " on ", D score, 'fornt', 'back', " left side ", " right side " etc., be only the direction with reference to accompanying drawing.Therefore, the direction term of use is to be not used for limiting the scope of the invention for explanation.
The present invention collimates spectroscopy system and realizes beam collimation function by collimation lens, then utilizes depolarization cube spectroscope separating light beam to specific direction, realizes low polarization collimation light splitting function, can be to the light splitting that collimates of the light source of any angle of divergence.
In one exemplary embodiment of the present invention, provide a kind of collimation spectroscopy system.Fig. 1 is according to the perspective view of embodiment of the present invention collimation spectroscopy system.Fig. 2 collimates the vertical view of spectroscopy system shown in Fig. 1.
Please refer to Fig. 1 and Fig. 2, the present embodiment collimation spectroscopy system comprises: depolarization cube spectroscope 2; Column collimation lens 1, by optical cement, be bonded in the light path front end of depolarization cube spectroscope 2, for divergent beams are collimated, process and be converted into after directional light incident depolarization cube spectroscope 2 or the directional light of depolarization cube spectroscope 2 outgoing carried out to contrary collimation and process and form outgoing after converging beam.
Below each ingredient of the present embodiment collimation spectroscopy system is elaborated.
Anti-reflection film and depolarization light splitting metal-dielectric film are that the method by vacuum coating is plated on end face, can effectively reduce the reflection loss of luminous energy, help avoid lens surface humidity, chemical reaction and physical damnification simultaneously.
Fig. 3 collimates spectroscopy system light forward path schematic diagram shown in Fig. 1.Refer to Fig. 3, divergent rays is sent from light source 3, wherein light source 3 can be the light beam of laser instrument, light emitting diode, spread fiber etc., through collimation lens 1 collimation, pool directional light, then this directional light incides on depolarization cube spectroscope 2, through depolarization light splitting metal-dielectric film 2.1, directional light is divided into two-beam, a branch of is transmitted light, a branch of reflected light for making progress perpendicular to directional light direction, by changing film, be the saturating inverse ratio that component can realize the arbitrary proportions such as 50%:50%, 60%:40%, do not change the polarization state of incident beam simultaneously.
Fig. 4 collimates spectroscopy system light reverse transfer path schematic diagram shown in Fig. 1.Refer to Fig. 4, parallel rays incides on depolarization cube spectroscope 2, through depolarization light splitting metal-dielectric film 2.1, directional light is divided into two-beam, a branch of is transmitted light, a branch of is perpendicular to the downward reflected light of directional light direction, by changing film, be the saturating inverse ratio that component can realize the arbitrary proportions such as 50%:50%, 60%:40%, then through collimation lens 1, focus in receiving element 4, receiving element 4 can be optical fiber, detector etc.
So far, by reference to the accompanying drawings the present embodiment be have been described in detail.According to above, describe, those skilled in the art should collimate spectroscopy system to the present invention clearly understanding.
In addition, the above-mentioned definition to each element and method is not limited in various concrete structures, shape or the mode of mentioning in embodiment, and those of ordinary skill in the art can know simply and replace it, for example:
(1), column collimation lens can also adopt the lens to beam collimation function that have of other shapes, as rectangular parallelepiped etc.;
(2) material of metal-dielectric film can replace to other film based materials that meets depolarization light splitting function.
In sum, the present invention collimates spectroscopy system and realizes beam collimation function by collimation lens, then utilize depolarization cube spectroscope separating light beam to specific direction, realize low polarization collimation light splitting function, can be to the light splitting that collimates of the light source of any angle of divergence.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a collimation spectroscopy system, is characterized in that, comprising:
Depolarization cube spectroscope; And
Collimation lens, is positioned at depolarization cube spectroscopical light path front end, processes be converted into after directional light depolarization cube spectroscope described in incident for divergent beams are collimated; Or be positioned at depolarization cube spectroscopical light path rear end, for the directional light of described depolarization cube spectroscope outgoing being carried out to contrary collimation, process and form outgoing after converging beam.
2. collimation spectroscopy system according to claim 1, is characterized in that, the light beam outgoing end face of described collimation lens directly contacts or use optics glue bond with a depolarization cube spectroscopical light beam incident end face.
3. collimation spectroscopy system according to claim 1, is characterized in that, described collimation lens is column collimation lens or rectangular-shaped collimation lens.
4. collimation spectroscopy system according to claim 3, is characterized in that, described collimation lens is column collimation lens; This column collimation lens is GRIN Lens or C lens.
5. according to the collimation spectroscopy system described in any one in claim 1 to 4, it is characterized in that, described depolarization cube spectroscope consists of pair of straight angle prism gummed, and wherein the inclined-plane of the first right-angle prism is coated with anti-reflection film, and the inclined-plane of the second right-angle prism is coated with depolarization light splitting metal-dielectric film.
6. collimation spectroscopy system according to claim 5, is characterized in that, described depolarization cube spectroscopical inverse ratio is that the number of plies realizes by changing the film of described metal-dielectric film.
7. collimation spectroscopy system according to claim 5, is characterized in that, in described metal-dielectric film, metal material is silver or aluminium;
Dielectric material is zinc sulphide/aluminium oxide/magnesium fluoride film system, or tantalum oxide/alumina/silica film system.
8. collimation spectroscopy system according to claim 5, is characterized in that, described film is that gross thickness is 1 μ m-2 μ m.
9. according to the collimation spectroscopy system described in any one in claim 1 to 4, it is characterized in that, described collimation lens is processed for the divergent beams of light source transmitting are collimated and is converted into after directional light depolarization cube spectroscope described in incident, and wherein said light source is: the light beam that laser instrument, light emitting diode or spread fiber come.
10. according to the collimation spectroscopy system described in any one in claim 1 to 4, it is characterized in that, described collimation lens is for outgoing after the directional light of described depolarization cube spectroscope outgoing being carried out to contrary collimation processing formation converging beam to receiving element, and described receiving element is: optical fiber or detector.
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| CN201310485026.5A CN103513429A (en) | 2013-10-16 | 2013-10-16 | Collimation light splitter system |
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| CN201310485026.5A CN103513429A (en) | 2013-10-16 | 2013-10-16 | Collimation light splitter system |
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| CN103513429A true CN103513429A (en) | 2014-01-15 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869477A (en) * | 2014-01-26 | 2014-06-18 | 浙江工业大学 | Tunable light wave beam splitter based on fluid light guide |
| CN105044804A (en) * | 2015-06-08 | 2015-11-11 | 浙江工业大学 | Fluid microlens with free adjustable light beam direction along two dimensions |
| CN105717564A (en) * | 2016-04-12 | 2016-06-29 | 三明福特科光电有限公司 | Depolarization pentagonal prism and manufacturing method thereof |
| CN109445008A (en) * | 2018-11-12 | 2019-03-08 | 江西兆九光电技术有限公司 | A kind of depolarized Amici prism and its film plating process |
| CN109581555A (en) * | 2018-11-12 | 2019-04-05 | 江西兆九光电技术有限公司 | A kind of depolarized Amici prism and preparation method thereof |
| CN111399226A (en) * | 2020-04-27 | 2020-07-10 | 青岛韬谱光学科技有限公司 | Near-to-eye prism display system |
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| US20040207835A1 (en) * | 2003-04-18 | 2004-10-21 | Pioneer Fa Corporation & Pioneer Corporation | Auto-collimator |
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| CN102878922A (en) * | 2012-09-12 | 2013-01-16 | 哈尔滨工程大学 | Device and method for detecting three-window common-path interference based on beam splitter prism |
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2013
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| US20040207835A1 (en) * | 2003-04-18 | 2004-10-21 | Pioneer Fa Corporation & Pioneer Corporation | Auto-collimator |
| CN101893429A (en) * | 2010-07-16 | 2010-11-24 | 华中科技大学 | Super-precision surface measuring system based on polarization phase-shifting microscopy interference technology |
| CN102121819A (en) * | 2010-12-15 | 2011-07-13 | 浙江大学 | Nanometer-resolution total-reflection differential micrometric displacement measurement method and device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869477A (en) * | 2014-01-26 | 2014-06-18 | 浙江工业大学 | Tunable light wave beam splitter based on fluid light guide |
| CN103869477B (en) * | 2014-01-26 | 2016-09-07 | 浙江工业大学 | Tunable optical ripple beam splitter based on optical waveguide |
| CN105044804A (en) * | 2015-06-08 | 2015-11-11 | 浙江工业大学 | Fluid microlens with free adjustable light beam direction along two dimensions |
| CN105717564A (en) * | 2016-04-12 | 2016-06-29 | 三明福特科光电有限公司 | Depolarization pentagonal prism and manufacturing method thereof |
| CN105717564B (en) * | 2016-04-12 | 2017-07-07 | 三明福特科光电有限公司 | Depolarization pentagonal prism and preparation method thereof |
| CN109445008A (en) * | 2018-11-12 | 2019-03-08 | 江西兆九光电技术有限公司 | A kind of depolarized Amici prism and its film plating process |
| CN109581555A (en) * | 2018-11-12 | 2019-04-05 | 江西兆九光电技术有限公司 | A kind of depolarized Amici prism and preparation method thereof |
| CN111399226A (en) * | 2020-04-27 | 2020-07-10 | 青岛韬谱光学科技有限公司 | Near-to-eye prism display system |
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Application publication date: 20140115 |