CN211669054U - Attenuation total reflection terahertz probe - Google Patents
Attenuation total reflection terahertz probe Download PDFInfo
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- CN211669054U CN211669054U CN202020272819.4U CN202020272819U CN211669054U CN 211669054 U CN211669054 U CN 211669054U CN 202020272819 U CN202020272819 U CN 202020272819U CN 211669054 U CN211669054 U CN 211669054U
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- parabolic mirror
- base
- fixedly connected
- total reflection
- terahertz probe
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Abstract
The utility model discloses an attenuation total reflection terahertz probe, including base and transmitting terminal, the first L type pole of one side fixedly connected with of base surface, the top of first L type pole and the bottom fixed connection of transmitting terminal, the top fixedly connected with parabolic mirror one, parabolic mirror two, parabolic mirror three and parabolic mirror four of base, the top of base just is located fixedly connected with prism between parabolic mirror two and the parabolic mirror three, the sealed lid of top fixedly connected with of base, the bottom crimping of sealed lid has the sample, the utility model relates to a terahertz probe technical field. According to the terahertz probe for attenuated total reflection, the side surfaces of the first parabolic mirror, the second parabolic mirror, the third parabolic mirror and the fourth parabolic mirror are all set to be parabolic shapes, focusing is carried out through the parabolic mirrors, light spots are guaranteed to be small as much as possible, energy is strong, the signal to noise ratio of signals has a certain improvement effect, and the problem that the gathering effect of the interior of a common terahertz probe on a light path is poor is solved.
Description
Technical Field
The utility model relates to a terahertz probe technical field specifically is an attenuation total reflection terahertz probe.
Background
As a section of electromagnetic spectrum resource which is not used by human beings on a large scale, terahertz waves have extremely rich interaction effects between electromagnetic waves and substances, and have wide application prospects in not only the field of basic research, but also a plurality of technical fields such as security inspection imaging, radar, communication, astronomy, atmosphere observation, biomedicine and the like.
When the terahertz wave is used for measuring a sample, the inside of a common probe is difficult to ensure the gathering effect of a light path, the capability of detecting light spots is low, the scattering loss of the size and the capability of the light spots is large, and water vapor is easily generated inside the probe, so that the signal-to-noise ratio is large, and the using effect is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an attenuation total reflection terahertz probe has solved the problem that the gathering effect of common terahertz probe is not good and receive inside vapor influence easily to the light path.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an attenuation total reflection terahertz probe, includes base and transmitting terminal, the first L type pole of one side fixedly connected with of base surface, the top of first L type pole and the bottom fixed connection of transmitting terminal, the top fixedly connected with parabolic mirror one, parabolic mirror two, parabolic mirror three and parabolic mirror four of base, the top of base just is located fixedly connected with prism between parabolic mirror two and the parabolic mirror three.
Preferably, a sealing cover is fixedly connected to the top of the base, and a sample is crimped to the bottom of the sealing cover.
Preferably, the top of the sealing cover is provided with a measuring hole, the measuring hole is positioned right below the sample, and the measuring hole is positioned right above the prism.
Preferably, one side of the outer surface of the base is fixedly connected with a second L-shaped rod, and the top end of the second L-shaped rod is fixedly connected with a receiving end.
Preferably, the top of the base is fixedly connected with an air pipe.
Preferably, the top of the base is provided with a vent hole, and the inner surface of the vent hole is communicated with the inner surface of the air pipe.
Advantageous effects
The utility model provides an attenuation total reflection terahertz is probe now. Compared with the prior art, the method has the following beneficial effects:
(1) this terahertz probe is now attenuated to total reflection, through the top fixedly connected with parabolic mirror one at the base, parabolic mirror two, parabolic mirror three and parabolic mirror four, the top of base just is located the fixedly connected with prism between parabolic mirror two and the parabolic mirror three, parabolic mirror one, parabolic mirror two, the side of parabolic mirror three and parabolic mirror four all sets up to the parabola shape, focus through the parabolic mirror, it is as little as possible to guarantee the facula, energy is strong, there is certain improvement effect of the SNR of signal, the inside not good problem of gathering effect to the light path of common terahertz probe has been solved.
(2) This terahertz of decay total reflection probe, through the top fixedly connected with trachea at the base, the air vent has been seted up at the top of base, and the internal surface and the tracheal internal surface intercommunication of air vent, during the use, through inlet port and tracheal cooperation, towards the inside dry air that lets in of probe, can keep the inside dry air environment of probe, prevent that vapor from leading to the fact the influence to the testing result, solved the problem that common terahertz probe received inside vapor easily.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a top view of the base of the present invention;
fig. 3 is a schematic view of the first L-shaped rod and the transmitting end according to the present invention.
In the figure: 1. a transmitting end; 2. a parabolic mirror I; 3. a parabolic mirror II; 4. a prism; 5. a sample; 6. a parabolic mirror III; 7. a parabolic mirror IV; 8. a receiving end; 9. a vent hole; 10. a base; 11. a sealing cover; 12. a first L-shaped bar; 13. measuring a hole; 14. a second L-shaped bar; 15. the trachea.
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. 1-3, the present invention provides a technical solution: an attenuated total reflection terahertz probe comprises a base 10 and an emitting end 1, wherein the emitting end 1 is electrically connected with an external power supply and can emit terahertz waves under the control of a control switch, a first L-shaped rod 12 is fixedly connected to one side of the outer surface of the base 10, the top end of the first L-shaped rod 12 is fixedly connected with the bottom of the emitting end 1, a parabolic mirror I2, a parabolic mirror II 3, a parabolic mirror III 6 and a parabolic mirror IV 7 are fixedly connected to the top of the base 10, the side faces of the parabolic mirror I2, the parabolic mirror II 3, the parabolic mirror III 6 and the parabolic mirror IV 7 are all in a parabolic shape, a prism 4 is fixedly connected to the top of the base 10 and positioned between the parabolic mirror II 3 and the parabolic mirror III 6, a sealing cover 11 is fixedly connected to the top of the base 10, a sample 5 is pressed to the bottom of the sealing cover 11, a measuring hole 13 is formed in the top of the sealing cover 11, and the measuring, measuring aperture 13 is located prism 4 directly over, one side fixedly connected with second L type pole 14 of base 10 surface, the top fixedly connected with receiving terminal 8 of second L type pole 14, receiving terminal 8 and external power supply electric connection, control through control switch, receiving terminal 8's output and external signal processor's output are connected, base 10's top fixedly connected with trachea 15, air vent 9 has been seted up at base 10's top, and the internal surface of air vent 9 and trachea 15's internal surface intercommunication.
And those not described in detail in this specification are well within the skill of those in the art.
During operation, a sample 5 is placed above a measuring hole 13 in the top of a sealing cover 11, dry gas is introduced into the probe through an air inlet hole 9 and an air pipe 15, a transmitting end 1 transmits terahertz waves, the terahertz waves sequentially pass through a first parabolic mirror 2, a second parabolic mirror 3 and a prism 4, then contact the sample 5 through the measuring hole 13, enter a receiving end through a third parabolic mirror 6 and a fourth parabolic mirror 7, and are output to an external signal processor for processing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an attenuated total reflection terahertz probe, includes base (10) and transmitting terminal (1), one side fixedly connected with first L type pole (12) of base (10) surface, the top of first L type pole (12) and the bottom fixed connection of transmitting terminal (1), its characterized in that: the top fixedly connected with parabolic mirror (2), parabolic mirror two (3), parabolic mirror three (6) and parabolic mirror four (7) of base (10), the top of base (10) just is located fixedly connected with prism (4) between parabolic mirror two (3) and the parabolic mirror three (6).
2. The attenuated total reflection terahertz probe according to claim 1, wherein: the top of base (10) fixedly connected with sealed lid (11), the bottom crimping of sealed lid (11) has sample (5).
3. The attenuated total reflection terahertz probe according to claim 2, wherein: the top of the sealing cover (11) is provided with a measuring hole (13), the measuring hole (13) is located under the sample (5), and the measuring hole (13) is located over the prism (4).
4. The attenuated total reflection terahertz probe according to claim 1, wherein: one side fixedly connected with second L type pole (14) of base (10) surface, the top fixedly connected with receiving terminal (8) of second L type pole (14).
5. The attenuated total reflection terahertz probe according to claim 1, wherein: the top of the base (10) is fixedly connected with an air pipe (15).
6. The attenuated total reflection terahertz probe according to claim 1, wherein: the top of the base (10) is provided with a vent hole (9), and the inner surface of the vent hole (9) is communicated with the inner surface of the air pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272819.4U CN211669054U (en) | 2020-03-06 | 2020-03-06 | Attenuation total reflection terahertz probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272819.4U CN211669054U (en) | 2020-03-06 | 2020-03-06 | Attenuation total reflection terahertz probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211669054U true CN211669054U (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020272819.4U Active CN211669054U (en) | 2020-03-06 | 2020-03-06 | Attenuation total reflection terahertz probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211669054U (en) |
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2020
- 2020-03-06 CN CN202020272819.4U patent/CN211669054U/en active Active
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