CN205880382U - Terahertz laser now variably expands beam ratio shaping device - Google Patents
Terahertz laser now variably expands beam ratio shaping device Download PDFInfo
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- CN205880382U CN205880382U CN201620697841.7U CN201620697841U CN205880382U CN 205880382 U CN205880382 U CN 205880382U CN 201620697841 U CN201620697841 U CN 201620697841U CN 205880382 U CN205880382 U CN 205880382U
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- terahertz
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- shaping
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Abstract
The utility model discloses a terahertz laser now variably expands beam ratio shaping device, including the first speculum that is all -trans, first little spherical reflecting mirror array, the little spherical reflecting mirror array of second, variably expand beam ratio optical system and the second speculum that is all -trans, the first speculum that is all -trans is preceding for terahertz light source now, and the second is all -trans the speculum at the back for waiting the target object that shines, it includes first beam expanding lens unit and second beam expanding lens unit variably to expand beam ratio optical system, can to the terahertz now the output beam carry out the plastic, be the rectangle light beam to the gaussian beam homogenization, more be favorable to terahertz imaging, change the spot size of plastic through variably expanding beam ratio optical system, solve when target detection because the difference of the different target sizes that await measuring and the error problem that produces with same beam size to reach more accurate, the clear purpose to terahertz imaging, its simple structure, convenient operation are easily capable.
Description
Technical field
This utility model relates to a kind of THz imaging technology field, particularly relates to that a kind of thz laser is variable expands ratio
Apparatus for shaping.
Background technology
Terahertz light generally refers to frequency electromagnetic wave between 0.1 ~ 10THz, and its wave band is in low-light and infrared light
Field, boundary, so, the advantage being provided simultaneously with electronics and optics.At present, the laser from laser instrument output is to be directly entered
Amasthenic lens, hot spot, light beam and the Energy distribution of laser instrument output is not processed, also have no idea to solve laser and send out
Dissipate angle and the problem of beam Propagation, and orthopaedic problems based on thz laser output beam also neither one effectively solves to do
Method.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of thz laser is variable, and to expand ratio whole
Shape device, will uniformly be turned to rectangular light beam to Terahertz output beam by Gaussian beam, be more beneficial for terahertz imaging, Er Qieneng
Enough than optical system, the spot size of shaping is changed by variable expanding, solves in detection size gap bigger
Target time, owing to the error problem being irradiated to detect the collimated light beam size of target and produce can not be changed.
The purpose of this utility model is achieved through the following technical solutions: a kind of thz laser is variable, and to expand ratio whole
Shape device, including first be all-trans reflecting mirror, the first microsphere face reflection mirror array, the second microsphere face reflection mirror array, variable expand
Being all-trans reflecting mirror than optical system and second, first is all-trans before reflecting mirror for Terahertz light source, and second is all-trans after reflecting mirror
For target object to be illuminated；Described variable expanding includes the first beam expanding lens unit and the second beam expanding lens unit than optical system.
The first described beam expanding lens unit includes the first microscope base, first expands eyeglass and the first microscope base and is fixed in connection
The one fixing screw expanding eyeglass.
The second described beam expanding lens unit includes the second microscope base, second expands eyeglass, translation stage and connection and fix second
Microscope base, the second fixing screw expanding eyeglass peace moving stage.
Described first expands eyeglass and second and expands eyeglass and be respectively Terahertz convex lens and Terahertz concave lens surface
Scribble anti-reflection anti-film, be 99.9% to terahertz light transmitance.
Described fixing screw is soket head cap screw.
Described first reflecting mirror and second reflecting mirror that is all-trans that is all-trans is that the mirror surface that terahertz light is all-trans scribbles increasing
Resistance permeable membrane, reflectance is 99.9%.
The first described microsphere face reflection mirror array and the second microsphere face reflection mirror array are all complete by several Terahertzs
Anti-mirror unit forms, and the described Terahertz mirror unit that is all-trans is all spherical reflector, and their radius of curvature is microsphere
100 ~ 140 times of face mirror lens thickness, Terahertz is all-trans mirror unit a size of 1 ~ 1.5 λ, and wherein λ is the ripple of terahertz light
Long.
The beneficial effects of the utility model are: a kind of variable expanding of thz laser compares apparatus for shaping, it is possible to Terahertz
Output beam carries out shaping, Gaussian beam is uniformly turned to rectangular light beam, is more beneficial for terahertz imaging, expands ratio by variable
The spot size of shaping is changed by optical system, solves when detecting target due to the difference of different target sizes to be measured
And the error problem produced by same collimated light beam size, simple in construction, easy to operate.
Accompanying drawing explanation
Fig. 1 is that variable the expanding of thz laser compares structure drawing of device；
Fig. 2 is variable to expand ratio optical system configuration composition；
In figure, 1-first is all-trans reflecting mirror, 2-the first microsphere face reflection mirror array, 3-the second microsphere face reflection mirror array,
4-is variable expands ratio optical system, and 5-second is all-trans reflecting mirror, and 6-Terahertz is all-trans mirror unit, and 7-first expands eyeglass,
8-fixes screw, 9-the first microscope base, and 10-second expands eyeglass, 11-the second microscope base, 12-translation stage, and 13-translation stage rotates wheel.
Detailed description of the invention
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings, but protection domain of the present utility model
It is not limited to the following stated.
As it is shown in figure 1, a kind of, thz laser is variable expands ratio apparatus for shaping, micro-including first reflecting mirror 1, first that is all-trans
Spheric reflection lens array the 2, second microsphere face reflection mirror array 3, variable expanding are all-trans reflecting mirror 5 than optical system 4 and second, and
One be all-trans reflecting mirror 1 is above for Terahertz light source, and second is all-trans reflecting mirror 5 below for target object to be illuminated；Described variable
Expand and include the first beam expanding lens unit and the second beam expanding lens unit than optical system.
The first described beam expanding lens unit include the first microscope base 9, first expand eyeglass 7 and connect fix the first microscope base 9
With the first fixing screw 8 expanding eyeglass 7.
The second described beam expanding lens unit includes the second microscope base 11, second expands eyeglass 10, translation stage 12 and connect solid
Fixed second microscope base 11, the second fixing screw 8 expanding eyeglass 10 and translation stage 12.
Described first expands eyeglass 7 and second and expands eyeglass 10 respectively Terahertz convex lens and Terahertz concavees lens table
Topcoating has anti-reflection anti-film, is 99.9% to terahertz light transmitance.
Described fixing spiral shell 8 nail is soket head cap screw.
Described first reflecting mirror 1 and second mirror surface that reflecting mirror 5 is all-trans for terahertz light that is all-trans that is all-trans scribbles
Increasing resistance permeable membrane, reflectance is 99.9%.
The first described microsphere face reflection mirror array 2 and the second microsphere face reflection mirror array 3 are all by several Terahertzs
The mirror unit 6 that is all-trans forms, and the described Terahertz mirror unit 6 that is all-trans is all spherical reflector, and their radius of curvature is
100 ~ 140 times of micro-coquille lens thickness, Terahertz is all-trans mirror unit 6 a size of 1 ~ 1.5 λ, and wherein λ is terahertz light
Wavelength；Thz beam is mainly carried out necessarily by the first microsphere face reflection mirror array 2 and the second microsphere face reflection mirror array 3
Expand and homogenization.
Described variable expanding mainly carries out shaping to Terahertz output beam than optical system 4, is translated by rotation
Platform 12 translation stage above rotates wheel 13 and changes first and expand eyeglass 7 and second and expand the distance between eyeglass 10, thus reaches
To change its expand than purpose.
The first described microscope base 9 and translation stage 12 are all fixed on optical table.
The above is only preferred implementation of the present utility model, it should be understood that this utility model is not limited to herein
Disclosed form, is not to be taken as the eliminating to other embodiments, and can be used for other combinations various, amendment and environment, and
Can be modified by above-mentioned teaching or the technology of association area or knowledge in contemplated scope described herein.And this area
Change that personnel are carried out and change, the most all should be in rights appended by this utility model without departing from spirit and scope of the present utility model
In the protection domain required.
Claims (7)
1. variable the expanding of thz laser compares apparatus for shaping, it is characterised in that include that first is all-trans reflecting mirror (1), first micro-
Spheric reflection lens array (2), the second microsphere face reflection mirror array (3), variable expanding are all-trans reflection than optical system (4) and second
Mirror (5), first reflecting mirror (1) that is all-trans is above for Terahertz light source, and second is all-trans reflecting mirror (5) below for object to be illuminated
Body；Described variable expanding includes the first beam expanding lens unit and the second beam expanding lens unit than optical system.
A kind of variable expanding of thz laser the most according to claim 1 compares apparatus for shaping, it is characterised in that: described the
One beam expanding lens unit includes the first microscope base (9), first expands eyeglass (7) and connect and fix the first microscope base (9) and first and expand
The fixing screw (8) of eyeglass (7).
A kind of variable expanding of thz laser the most according to claim 2 compares apparatus for shaping, it is characterised in that: described the
Two beam expanding lens unit include the second microscope base (11), second expand eyeglass (10), translation stage (12) and connect fix the second microscope base
(11), the second fixing screw (8) expanding eyeglass (10) and translation stage (12).
A kind of variable expanding of thz laser the most according to claim 3 compares apparatus for shaping, it is characterised in that: described the
One expands eyeglass (7) and second expands eyeglass (10) and is respectively Terahertz convex lens and Terahertz concave lens surface and scribbles anti-reflection anti-
Anti-film, is 99.9% to terahertz light transmitance.
5. compare apparatus for shaping according to variable the expanding of a kind of thz laser described in Claims 2 or 3, it is characterised in that: described
Fixing screw (8) be soket head cap screw.
A kind of variable expanding of thz laser the most according to claim 1 compares apparatus for shaping, it is characterised in that: described the
One be all-trans reflecting mirror (1) and second be all-trans reflecting mirror (5) be the mirror surface that terahertz light is all-trans scribble increasing resistance permeable membrane, instead
The rate of penetrating is 99.9%.
A kind of variable expanding of thz laser the most according to claim 1 compares apparatus for shaping, it is characterised in that: described the
One microsphere face reflection mirror array (2) and the second microsphere face reflection mirror array (3) are all to be all-trans reflecting mirror list by several Terahertzs
Unit (6) composition, the described Terahertz mirror unit (6) that is all-trans is all spherical reflector, and their radius of curvature is micro-coquille
100 ~ 140 times of lens thickness, Terahertz is all-trans mirror unit (6) a size of 1 ~ 1.5 λ, and wherein λ is the ripple of terahertz light
Long；Thz beam is mainly carried out necessarily by the first microsphere face reflection mirror array (2) and the second microsphere face reflection mirror array (3)
Expand and homogenization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697841.7U CN205880382U (en) | 2016-07-05 | 2016-07-05 | Terahertz laser now variably expands beam ratio shaping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697841.7U CN205880382U (en) | 2016-07-05 | 2016-07-05 | Terahertz laser now variably expands beam ratio shaping device |
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| Publication Number | Publication Date |
|---|---|
| CN205880382U true CN205880382U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620697841.7U Expired - Fee Related CN205880382U (en) | 2016-07-05 | 2016-07-05 | Terahertz laser now variably expands beam ratio shaping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974597A (en) * | 2016-07-05 | 2016-09-28 | 成都福兰特电子技术股份有限公司 | Terahertz laser variable beam expanding ratio shaping apparatus |
-
2016
- 2016-07-05 CN CN201620697841.7U patent/CN205880382U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974597A (en) * | 2016-07-05 | 2016-09-28 | 成都福兰特电子技术股份有限公司 | Terahertz laser variable beam expanding ratio shaping apparatus |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20170705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |