CN210894086U - Device for measuring optical nonlinearity of material - Google Patents
Device for measuring optical nonlinearity of material Download PDFInfo
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- CN210894086U CN210894086U CN201921577155.6U CN201921577155U CN210894086U CN 210894086 U CN210894086 U CN 210894086U CN 201921577155 U CN201921577155 U CN 201921577155U CN 210894086 U CN210894086 U CN 210894086U
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Abstract
The utility model discloses a device for measuring material optical nonlinearity, including the incident laser beam, incident laser beam one side is equipped with the first beam splitter that is used for dividing incident beam into multiple light source, one side that the incident laser beam was kept away from to the first beam splitter is equipped with first speculum, the first beam splitter is equipped with the second reflector in the one side of keeping away from incident laser beam and first speculum, one side that the first beam splitter is kept away from to the second reflector is equipped with the second beam splitter, simple structure, the clear removal of structure, measurement system sensitivity is very high, data processing is simple; the nonlinear absorption and refraction can be measured simultaneously without being separately carried out, symbols of the nonlinear refraction can be distinguished, the measurement result is accurate, the method is worthy of popularization, comprehensive test parameters can be ensured, the test result is accurate, and the measurement error is greatly reduced; in addition, the method has simple requirements on the light path and high testing speed.
Description
Technical Field
The utility model relates to a nonlinear photonics material and nonlinear optics information processing field specifically are a measure nonlinear device of material optics.
Background
The rapid development in the field of nonlinear optics is not free from the research on optical nonlinear materials. Finding ideal optically nonlinear materials for various applications is a very important task in the field of nonlinear optics. The material with large optical nonlinear coefficient and ultrafast optical response is considered as a new material for manufacturing high-speed optoelectronic devices, and has great potential application value in the field of optical engineering, such as all-optical switches and other components. The study of optically nonlinear materials requires the use of various optically nonlinear measurement techniques. The optical nonlinear measurement technology is one of the key technologies for researching nonlinear optical materials. In optically nonlinear samples, there are typically two or more nonlinear mechanisms that interact with each other, typically more than one nonlinear mechanism, and typical nonlinear measurement techniques cannot easily distinguish between the various optically nonlinear mechanisms. The existing measuring method is difficult to accurately determine the optical nonlinear mechanism of the material and some specific important optical physical parameters of the material, and for the non-degenerate nonlinear refractometry dynamic measurement, different phase objects need to be replaced according to corresponding detection wavelengths, so that a device for measuring the optical nonlinearity of the material is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device for measuring material optical nonlinearity to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a device for measuring the optical nonlinearity of a material comprises an incident laser beam, wherein a first beam splitter used for dividing the incident beam into multiple light sources is arranged on one side of the incident laser beam, a first reflector is arranged on one side, away from the incident laser beam, of the first beam splitter, a second reflector is arranged on one side, away from the incident laser beam and the first reflector, of the second reflector, a second beam splitter is arranged on one side, away from the first beam splitter, of the second reflector, a right-angle prism is arranged at the lower ends of the second beam splitter and the second reflector, a third reflector is arranged on one side, away from the right-angle prism, of the second beam splitter, a first convex mirror and a second convex mirror are respectively arranged on the same sides of the third reflector and the second beam splitter, a sample to be measured is arranged on one side, away from the second beam splitter, of the first convex mirror and the second convex mirror, and a fourth reflector are arranged on the right, the fourth speculum is close to the sample one side that awaits measuring and is provided with the third convex mirror, the sample opposite side that awaits measuring is provided with trapezoidal mirror, the trapezoidal mirror is kept away from the sample that awaits measuring other three sides and is provided with fourth convex mirror, fifth convex mirror and sixth convex mirror respectively, be provided with first detector, second detector and third detector outside fourth convex mirror, fifth convex mirror and the sixth convex mirror respectively.
Preferably, the first reflector, the second reflector, the third reflector and the fourth reflector are reflectors with the same structural material.
Preferably, the first convex mirror, the second convex mirror, the third convex mirror, the fourth convex mirror, the fifth convex mirror and the sixth convex mirror are convex lenses with the same structure and material.
Preferably, a circular baffle is arranged between the trapezoidal mirror and the fifth convex mirror, and the size of the circular baffle is adjustable.
Preferably, the distance between the right-angle prism and the second reflecting mirror and the second beam splitter is adjustable.
Preferably, the vertical one end of trapezoidal mirror is the printing opacity setting, trapezoidal mirror slope one side terminal surface part is the printing opacity setting, and another part is the setting of reflection mirror surface.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure, clear and movable structure, high sensitivity of the measuring system and simple data processing; the nonlinear absorption and refraction can be measured simultaneously without being separately carried out, symbols of the nonlinear refraction can be distinguished, the measurement result is accurate, the method is worthy of popularization, comprehensive test parameters can be ensured, the test result is accurate, and the measurement error is greatly reduced; in addition, the method has simple requirements on the light path and high testing speed.
Drawings
FIG. 1 is a schematic view of the overall structure of an apparatus for measuring optical nonlinearity of a material;
FIG. 2 is a schematic diagram of a circular baffle structure of an apparatus for measuring optical nonlinearity of a material.
In the figure: 1-incident laser beam, 2-right-angle prism, 3-first beam splitter, 4-second reflector, 5-second beam splitter, 6-third reflector, 7-first convex mirror, 8-second convex mirror, 9-sample to be detected, 10-first reflector, 11-fourth reflector, 12-third convex mirror, 13-first detector, 14-fourth convex mirror, 15-trapezoidal mirror, 16-fifth convex mirror, 17-second detector, 18-circular baffle, 19-sixth convex mirror and 20-third detector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a device for measuring material optical nonlinearity comprises an incident laser beam 1, wherein a first beam splitter 3 for dividing the incident beam 1 into a plurality of light sources is arranged on one side of the incident laser beam 1, a first reflecting mirror 10 is arranged on one side, far away from the incident laser beam 1, of the first beam splitter 3, a second reflecting mirror 4 is arranged on one side, far away from the incident laser beam 1 and a first reflecting mirror 7, of the first reflecting mirror 3, a second beam splitter 5 is arranged on one side, far away from the first beam splitter 3, of the second beam splitter 5, a right-angle prism 2 is arranged at the lower end of the second beam splitter 5 and the lower end of the second reflecting mirror 4, a third reflecting mirror 6 is arranged on one side, far away from the right-angle prism 2, of the second beam splitter 5, a first convex mirror 7 and a second convex mirror 8 are respectively arranged on the same side of the third reflecting mirror 6 and the second beam splitter 5, a sample 9 to be measured is arranged on one side, far away from the, the right side of the first reflector 10 is provided with a fourth reflector 11, the fourth reflector 11 is provided with a third convex mirror 12 near one side of the sample 9 to be measured, the other side of the sample 9 to be measured is provided with a trapezoidal mirror 15, the other three sides of the trapezoidal mirror 15 away from the sample 9 to be measured are respectively provided with a fourth convex mirror 14, a fifth convex mirror 16 and a sixth convex mirror 19, the fourth convex mirror 14, the fifth convex mirror 16 and the sixth convex mirror 19 are respectively provided with a first detector 13, a second detector 17 and a third detector 20, the first reflector 10, the second reflector 4, the third reflector 6 and the fourth reflector 11 are reflectors made of the same structural material, the first convex mirror 7, the second convex mirror 8, the third convex mirror 12, the fourth convex mirror 14, the fifth convex mirror 16 and the sixth convex mirror 19 are convex lenses made of the same structural material, a circular baffle 18 is arranged between the trapezoidal mirror 15 and the fifth convex mirror 16, the size of circular baffle 18 is adjustable, the interval between right angle prism 2 and second mirror 4, the second beam splitter 5 is adjustable, the vertical one end of trapezoidal mirror 15 is the printing opacity setting, trapezoidal mirror 15 slope side end face part is the printing opacity setting, and another part is the setting of reflecting mirror surface.
Divide into two bundles the laser beam through first beam splitter 3 earlier, will pass the sample 9 that awaits measuring with one of them through fourth reflector 11, will divide into two bundles with another rethread second beam splitter 5 to pass the sample that awaits measuring through second beam splitter 5 and third reflector 6 respectively, pass the three light of the sample that awaits measuring, cut apart into three light that the angle differed greatly through trapezoidal mirror 15, conveniently measure respectively through three group's detectors, and obtain the optics nonlinear parameter. According to the utility model discloses the measurement system sensitivity of method work is very high, data processing is simple, and nonlinear absorption and refraction can be measured simultaneously and need not separately go on, can distinguish advantages such as symbol, the measuring result accuracy of nonlinear refraction.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. An apparatus for measuring the optical non-linearity of a material, comprising an incident laser beam (1), characterized in that: the laser beam splitter is characterized in that a first beam splitter (3) used for dividing an incident laser beam (1) into multiple light sources is arranged on one side of the incident laser beam (1), a first reflecting mirror (10) is arranged on one side, away from the incident laser beam (1), of the first beam splitter (3), a second reflecting mirror (4) is arranged on one side, away from the incident laser beam (1) and the first reflecting mirror (10), of the first beam splitter (3), a second beam splitter (5) is arranged on one side, away from the first beam splitter (3), of the second beam splitter (5), a right-angle prism (2) is arranged at the lower end of the second beam splitter (5) and the lower end of the second reflecting mirror (4), a third reflecting mirror (6) is arranged on one side, away from the right-angle prism (2), of the second beam splitter (5), a first convex mirror (7) and a second convex mirror (8) are respectively arranged on the same side of the third reflecting mirror (6, one side that second beam splitter (5) were kept away from in first convex mirror (7) and second convex mirror (8) is equipped with sample (9) that awaits measuring, first speculum (10) right side is provided with fourth speculum (11), fourth speculum (11) are close to sample (9) one side that awaits measuring and are provided with third convex mirror (12), sample (9) opposite side that awaits measuring is provided with trapezoidal mirror (15), other three sides that awaits measuring sample (9) were kept away from in trapezoidal mirror (15) are provided with fourth convex mirror (14), fifth convex mirror (16) and sixth convex mirror (19) respectively, fourth convex mirror (14), fifth convex mirror (16) and sixth convex mirror (19) are provided with first detector (13), second detector (17) and third detector (20) outward respectively.
2. The apparatus for measuring optical nonlinearity of a material according to claim 1, wherein: the first reflector (10), the second reflector (4), the third reflector (6) and the fourth reflector (11) are reflectors made of the same structural materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577155.6U CN210894086U (en) | 2019-09-20 | 2019-09-20 | Device for measuring optical nonlinearity of material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577155.6U CN210894086U (en) | 2019-09-20 | 2019-09-20 | Device for measuring optical nonlinearity of material |
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| Publication Number | Publication Date |
|---|---|
| CN210894086U true CN210894086U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921577155.6U Active CN210894086U (en) | 2019-09-20 | 2019-09-20 | Device for measuring optical nonlinearity of material |
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| Country | Link |
|---|---|
| CN (1) | CN210894086U (en) |
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2019
- 2019-09-20 CN CN201921577155.6U patent/CN210894086U/en active Active
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