CN209280545U - The fixation device and measuring system of flexible sample based on terahertz light spectrometer - Google Patents
The fixation device and measuring system of flexible sample based on terahertz light spectrometer Download PDFInfo
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- CN209280545U CN209280545U CN201821735116.XU CN201821735116U CN209280545U CN 209280545 U CN209280545 U CN 209280545U CN 201821735116 U CN201821735116 U CN 201821735116U CN 209280545 U CN209280545 U CN 209280545U
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- fixing clamp
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- fixation device
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Abstract
The utility model discloses a kind of fixation devices of flexible sample based on terahertz light spectrometer, the fixation device includes: the first clamp assembly and the second clamp assembly, wherein the first clamp assembly includes at least the first fixing clamp, second clamp assembly includes at least the second fixing clamp, first fixing clamp and the second fixing clamp are arranged to: clamping the first end and second end of sample to be tested respectively, first fixing clamp and the second fixing clamp move on first level direction, to be bent the sample to be tested.In addition, the invention also discloses a kind of measuring system including terahertz time-domain spectroscopy instrument and above-mentioned fixed device.Fixed device described in the utility model overcomes the deficiencies in the prior art, flexible sample to be tested can be tested, and it can be freely conveniently adjusted relative position of the sample to be tested in space, to control the bending degree of sample, substantially increase the measurable range of sample to be tested.
Description
Technical field
The utility model relates to Terahertz applied technical fields, are related to a kind of flexible sample based on terahertz light spectrometer
Fixation device and measuring system.
Background technique
Terahertz (Terahertz, abbreviation THz) spectral technique is one of most important application direction, electromagnetism in THz technology
Spectroscopic technique is the important tool in the human knowledge world, extends the mankind to the observation ability in the world, can by spectral technique
With properties such as the vibration and the rotations that understand material molecule, the structural information of substance can also be understood, to human knowledge's microcosmos
With huge effect, therefore, THz technology is considered as changing one of the ten big technologies of future world.
Terahertz time-domain spectroscopy (THz-TDS) technology is the Typical Representative of terahertz light spectral technology, is a kind of highly effective
Detecting light spectrum technology.Time-domain spectroscopic technology signal-to-noise ratio between 0.2~3THz is up to 80dB, and measurement stability is fine.It is logical
Can effectively some substances be characterized by crossing THz-TDS technology, be played an important role for identifying some substances.This
Outside, carrying out test by THz-TDS technology may be implemented non-destructive testing, test sample without contacting sample, do not have other because
Impacting for element, will not damage sample.Test sample is carried out by THz-TDS technology, can easily obtain material
The information such as the amplitude of material and phase can from which further follow that the information such as absorptivity, refractive index by Fourier transformation, these parameters
The characterization and identification of sample are played an important role.In some conductors, THz radiates the information that can reflect carrier,
Its transient response can be tested.In addition, THz-TDS technology also has wide bandwidth, high sensitivity, measuring speed fast and can be
Under room temperature the characteristics of steady operation.
However, THz-TDS test macro in the prior art can only test the transmission spectrum or reflectance spectrum of smooth sample, for
Flexible sample test is relatively difficult to achieve, especially some adjustable samples of the rate of curving, for example, some carbon fiber films, based on micro-
In bending, some changes will occur the Meta Materials sample of structure for internal structure, and use THz-TDS test macro nothing
Method realizes the test to this kind of sample.
Based on this, it is expected that obtaining a kind of device based on terahertz light spectrometer, can be used for carrying out flexible sample
Test, obtained test result are ideal.
Utility model content
One of the purpose of this utility model is to provide a kind of fixed dress of flexible sample based on terahertz light spectrometer
It sets, the fixation device is by the fixed sample to be tested of the first fixing clamp and the second fixing clamp, by changing the first fixing clamp and the
The grip force size of two fixing clamps, to change the bending degree of sample to be tested.In addition, the fixation device freely can be adjusted easily
The relative position of sample to be tested in space is saved, to realize the time domain spectroscopy measurement to sample to be tested different location, is expanded
The measurable sample type of terahertz time-domain spectroscopy instrument, improves the flexibility of measurement.
According to above-mentioned purpose of utility model, the utility model proposes a kind of flexible samples based on terahertz light spectrometer
Fixation device, the fixed device includes: the first clamp assembly and the second clamp assembly, wherein the first clamp assembly at least wraps
The first fixing clamp is included, the second clamp assembly includes at least the second fixing clamp, and first fixing clamp and the second fixing clamp are set
Are as follows: the first end and second end of sample to be tested is clamped respectively, and first fixing clamp and the second fixing clamp can be in first levels
It is moved on direction, to be bent the sample to be tested.
When sample to be tested needs to test, the of sample to be tested is clamped by first fixing clamp of this case and the second fixing clamp
One end and second end, to fix sample to be tested.Then, through the first fixing clamp and the second fixing clamp on first level direction
It is mobile, to be bent sample to be tested, controlled by the change in displacement to the relative position between the first fixing clamp and the second fixing clamp
The bending degree of sample to be tested.Transmitted spectrum survey is finally carried out on terahertz time-domain spectroscopy instrument to flexible sample to be tested
Amount.
Further, in the fixation device of the flexible sample described in the utility model based on terahertz light spectrometer,
First fixing clamp and/or the second fixing clamp are arranged to: can move in the second horizontal direction, and/or can
It moves in the vertical direction；Second horizontal direction is perpendicular to first level direction.
In above scheme, the first fixing clamp and the second fixing clamp can first level direction, the second horizontal direction and/or
It is moved on vertical direction, so that relative position variation of the sample to be tested in space on any direction is realized, to greatly increase
The measurable range of sample to be tested is conducive to the limitation for breaking through test scope.
Further, in the fixation device of the flexible sample described in the utility model based on terahertz light spectrometer,
First clamp assembly further includes first movement platform, and the first movement platform is configured in first level direction
Upper movement, to drive the first fixing clamp to move on first level direction；Second clamp assembly further includes second mobile flat
Platform, second mobile platform are configured to move on first level direction, to drive the second fixing clamp in the first water
It square moves up.
Further, in the fixation device of the flexible sample described in the utility model based on terahertz light spectrometer,
First clamp assembly further includes third mobile platform, and the third mobile platform is configured in the second horizontal direction
Upper movement, to drive the first fixing clamp to move in the second horizontal direction；Second clamp assembly further includes the 4th mobile flat
Platform, the 4th mobile platform are configured to move in the second horizontal direction, to drive the second fixing clamp in the second water
It square moves up；And/or
First fixing end of first fixing clamp is connect with the first fixed link, and the first fixed link setting is moved first
On moving platform；Second fixing end of second fixing clamp is connect with the second fixed link, and second fixed link is arranged second
On mobile platform.
Further, in the fixation device of the flexible sample described in the utility model based on terahertz light spectrometer,
The first movement platform and/or the second mobile platform are equipped with screw structure.
In above scheme, by the rotation to screw structure, its rotary motion is changed into the linear motion of rod piece, thus
Drive the movement of first movement platform and/or the second mobile platform on first level direction.Since screw structure can be more
Precisely adjust moving distance.
Further, in the fixation device of the flexible sample described in the utility model based on terahertz light spectrometer,
Third mobile platform and/or the 4th mobile platform are equipped with screw structure.
In above scheme, by the rotation to screw structure, its rotary motion is changed into the linear motion of rod piece, thus
Drive the movement of third mobile platform and/or the 4th mobile platform in the second horizontal direction.Since screw structure can be more
Precisely adjust moving distance.
Further, in the fixation device of the flexible sample described in the utility model based on terahertz light spectrometer,
Shift scale is respectively equipped on first clamp assembly and the second clamp assembly.
In order to obtain more accurate test result, and it is apparent to the curvature of sample to be tested, in the utility model
In the fixation device, shift scale is equipped on the first clamp assembly and the second clamp assembly, it is solid in order to understand first
The variation of the shift length of clamp and the second fixing clamp.
Further, in the fixation device of the flexible sample described in the utility model based on terahertz light spectrometer,
The clamping end of first fixing clamp is equipped with U-type groove for accommodating the first end of sample to be tested and/or described second solid
The clamping end of clamp is equipped with the U-type groove for accommodating the second end of sample to be tested.
Correspondingly, the another object of the utility model is to provide a kind of flexible sample based on terahertz light spectrometer
Measuring system, the measuring system can fix the grip force size of device by changing by the fixed sample to be tested of fixed device, from
And change the bending degree of sample to be tested, to increase the measurement range of measuring system.In addition, the measuring system can freely facilitate
Ground adjusts the relative position of sample to be tested in space and opens up to realize to the time domain spectroscopy measurement of sample to be tested different location
The measurable sample type of terahertz time-domain spectroscopy instrument has been opened up, the flexibility of measurement is improved.
According to above-mentioned purpose of utility model, the utility model proposes a kind of flexible samples based on terahertz light spectrometer
Measuring system comprising terahertz time-domain spectroscopy instrument and above-mentioned fixation device.
In measuring system described in the utility model, sample to be tested is gripped by fixed device, and carry out to it
Bending then carries out transmitted spectrum measurement by terahertz time-domain spectroscopy instrument to curved sample to be tested, final to realize to bendable
The implementation result that bent sample measures.
The fixation device of flexible sample described in the utility model based on terahertz light spectrometer is compared to the prior art
For, it has the following advantages and beneficial effects:
(1) fixed device described in the utility model overcomes the deficiencies in the prior art, can be to flexible to test sample
Product are tested, and can freely be conveniently adjusted relative position of the sample to be tested in space, to control the bending of sample
Degree substantially increases the measurable range of sample to be tested.
(2) fixed device described in the utility model breaches flexible sample significantly and is difficult in terahertz time-domain spectroscopy instrument
The limitation of upper test provides reliable measuring device and method to measure the spectrum of flexible sample, to tera-hertz spectra skill
The development of art has great importance.
In addition, the measuring system of the flexible sample described in the utility model based on terahertz light spectrometer is due to by upper
Clamping is fixed to sample to be tested in the fixation device stated, thus, it equally include the above advantages and beneficial effects.
Detailed description of the invention
Fig. 1 is the measuring system of the flexible sample described in the utility model based on terahertz light spectrometer in a kind of implementation
Structural schematic diagram under mode.
Fig. 2 schematically shows the measurement system of the flexible sample described in the utility model based on terahertz light spectrometer
The system time signal curve of sample to be tested obtained under different conditions when being tested in one embodiment.
Fig. 3 schematically shows the measurement system of the flexible sample described in the utility model based on terahertz light spectrometer
The system frequency-region signal curve of sample to be tested obtained under different conditions when being tested in one embodiment.
Specific embodiment
Specific embodiment according to the present utility model and Figure of description are based on too to described in the utility model below
The fixation device and measuring system of the flexible sample of hertz spectrometer are further described, but the explanation is not constituted pair
The improper restriction of the utility model.
Fig. 1 is the measuring system of the flexible sample described in the utility model based on terahertz light spectrometer in a kind of implementation
Structural schematic diagram under mode.
As shown in Figure 1, in this embodiment, the measuring system 1 of the flexible sample based on terahertz light spectrometer includes
Terahertz time-domain spectroscopy instrument and fixed device.Wherein, terahertz time-domain spectroscopy instrument can be using MenloSystems company
TERA K15 may include femto-second laser 31, transmitting antenna 32, the first Terahertz lens 33, the second Terahertz lens
34, third Terahertz lens 35, the 4th Terahertz lens 36, receiving antenna 37 and processor 38.It should be noted that terahertz
Hereby time-domain spectroscopy instrument is device known in the art, and those skilled in the art know its specific structure, thus, herein not
It repeats again.
With further reference to Fig. 1 as can be seen that fixed device includes the first clamp assembly 21 and the second clamp assembly 22.
Wherein, the first clamp assembly 21 includes the first fixing clamp 211, can be equipped in the clamping end of the first fixing clamp 211
For accommodating the first U-type groove 2110 of the first end of sample to be tested 4, and the other end in the first fixing clamp 211 at non-clamping end
It is connect with the first fixed link 212, the first fixed link 212 is arranged on first movement platform 213, and third mobile platform 214 is arranged
In the lower section of first movement platform 213 in the vertical direction.
In the present embodiment, the first fixing clamp 211 can by the first fixed link 212 vertical direction mobile adjusting
The relative space position of first fixing clamp 211 in the vertical direction, and first by being set on third mobile platform 214
Locking nut 215 fixes the position after its adjusting.
It certainly, in some other embodiments, can also be mobile by adjusting first movement platform 213 and third
The distance of platform 214 in the vertical direction so as to adjust the first fixing clamp 211 vertical direction relative space position.
In addition, the first fixing clamp 211 passes through the first screw rod 2130 and third shifting on first movement platform 213 respectively
Third screw rod 2140 on moving platform 214 adjusts its movement on first level direction and the second horizontal direction.It needs
Bright, the second horizontal direction is perpendicular to first level direction.
Correspondingly, the second clamp assembly 22 includes the second fixing clamp 221, can be set in the clamping end of the second fixing clamp 221
There is the second U-type groove 2210 of the second end for accommodating sample to be tested 4, and in the second fixing clamp 221 in the another of non-clamping end
End is connect with the second fixed link 222, and the second fixed link 222 is arranged on the second mobile platform 223, and the 4th mobile platform 224 is set
Set the lower section in the vertical direction in the second mobile platform 223.
In the present embodiment, the second fixing clamp 221 can by the second fixed link 222 vertical direction mobile adjusting
The relative space position of second fixing clamp 221 in the vertical direction, and second by being set on the 4th mobile platform 224
Locking nut 225 fixes the position after its adjusting.
It certainly, in some other embodiments, can also be mobile by adjusting the second mobile platform 223 and the 4th
The distance of platform 224 in the vertical direction so as to adjust the second fixing clamp 221 vertical direction relative space position.
In addition, the second fixing clamp 221 is moved by the second screw rod 2230 and the 4th on the second mobile platform 223 respectively
The 4th screw rod 2240 on moving platform 224 adjusts its movement on first level direction and the second horizontal direction.
It should be noted that in order to be easier to understand the moving distance of the first fixing clamp 211 and the second fixing clamp 221,
To obtain the curvature of sample to be tested 4, displacement can be respectively set on the first fixing clamp 211 and the second fixing clamp 221
Scale.
In present embodiment, sample to be tested 4 uses the Meta Materials based on micro-structure, and shape is the pros of 2cm × 2cm
Shape, with a thickness of 200 μm, metamaterial structure is the metal micro structure with a thickness of 200nm.Certainly, those skilled in the art can
To select sample to be tested according to the concrete condition of embodiment, herein and it is not specially limited.
When test, sample to be tested 4 is gripped by the fixation device of measuring system 1, and adjusts as needed to be measured
The curvature of sample 4, curvature can be between 50~60 degree.The bending of adjustment sample to be tested 4 can pass through the first fixed link
212 and second fixed link 222 adjust the spatial position in the vertical direction of sample to be tested 4.In addition, in certain embodiments
In, sample to be tested 4 can also be adjusted on first level direction by first movement platform 213 and the second mobile platform 223
Spatial position, and/or third mobile platform 214 and the 4th mobile platform 224 can be passed through and adjust sample to be tested 4
Spatial position in the second horizontal direction.
Terahertz signal is issued using the transmitting antenna 32 of terahertz time-domain spectroscopy instrument, using terahertz time-domain spectroscopy instrument
Receiving antenna 37 receives the terahertz signal for penetrating sample to be tested 4, and is analyzed.
It is as shown in Figures 2 and 3 to analyze result.
Fig. 2 schematically shows the measurement system of the flexible sample described in the utility model based on terahertz light spectrometer
The system time signal curve of sample to be tested obtained under different conditions when being tested in one embodiment.
As shown in Fig. 2, curve I indicates Terahertz time signal of the sample to be tested 4 under unbent condition, curve II is indicated
The Terahertz time signal of sample to be tested in the bent state.
Fig. 3 schematically shows the measurement system of the flexible sample described in the utility model based on terahertz light spectrometer
The system frequency-region signal curve of sample to be tested obtained under different conditions when being tested in one embodiment.
As shown in figure 3, curve III indicates Terahertz frequency-region signal of the sample to be tested 4 under unbent condition, curve IV table
Show the Terahertz frequency-region signal of sample to be tested in the bent state.
It can be seen that sample to be tested 4 in conjunction with Fig. 2 and Fig. 3 to have occurred under unbent condition and bending state significantly
Change, illustrate that its internal molecular structure is changed, and hair can be measured by the measuring system 1 in present embodiment
The Terahertz spectrum signal of raw curved sample to be tested 4, and the sample to be tested of differently curved rate can be measured, thus greatly
Terahertz time-domain spectroscopic technology is increased to the measurement range of measurement of species greatly.
It should be noted that prior art part is not limited to present specification institute in the protection scope of the utility model
The embodiment provided, all prior arts not contradicted with the embodiment of the utility model, including but not limited to first patent
Document, first public publication, formerly openly use etc., it can all be included in the protection scope of the utility model.
In addition, in this case in the combination of each technical characteristic and unlimited this case claim documented combination or
It is combination documented by specific embodiment, all technical characteristics that this case is recorded can be freely combined in any way
Or combine, unless generating contradiction between each other.
It is also to be noted that embodiment enumerated above is only specific embodiment of the utility model.This obvious reality
Above embodiments are not limited to novel, the similar variation or deformation made therewith are that those skilled in the art can be practical new from this
What type disclosure immediately arrived at or was easy to just to associate, it all should belong to the protection range of the utility model.
Claims (9)
1. a kind of fixation device of the flexible sample based on terahertz light spectrometer, which is characterized in that the fixed device includes:
First clamp assembly and the second clamp assembly, wherein the first clamp assembly includes at least the first fixing clamp, the second clamp assembly is extremely
Less include the second fixing clamp, first fixing clamp and the second fixing clamp are arranged to: clamping the first end of sample to be tested respectively
And second end, first fixing clamp and the second fixing clamp can move on first level direction, it is described to test sample to be bent
Product.
2. the fixation device of the flexible sample based on terahertz light spectrometer as described in claim 1, which is characterized in that described
First fixing clamp and/or the second fixing clamp are arranged to: can move in the second horizontal direction, and/or can be perpendicular
Histogram moves up；Second horizontal direction is perpendicular to first level direction.
3. the fixation device of the flexible sample based on terahertz light spectrometer as described in claim 1, it is characterised in that: described
First clamp assembly further includes first movement platform, and the first movement platform is configured to move up in first level direction
It is dynamic, to drive the first fixing clamp to move on first level direction；Second clamp assembly further includes the second mobile platform, institute
It states the second mobile platform to be configured to move on first level direction, to drive the second fixing clamp in first level direction
Upper movement.
4. the fixation device of the flexible sample based on terahertz light spectrometer as claimed in claim 2, it is characterised in that:
First clamp assembly further includes third mobile platform, and the third mobile platform is configured in the second level
It is moved on direction, to drive the first fixing clamp to move in the second horizontal direction；Second clamp assembly further includes the 4th shifting
Moving platform, the 4th mobile platform are configured to move in the second horizontal direction, to drive the second fixing clamp the
It is moved in two horizontal directions；And/or
First fixing end of first fixing clamp is connect with the first fixed link, and the first fixed link setting is flat in first movement
On platform；Second fixing end of second fixing clamp is connect with the second fixed link, and the second fixed link setting is mobile second
On platform.
5. the fixation device of the flexible sample based on terahertz light spectrometer as claimed in claim 3, which is characterized in that described
First movement platform and/or the second mobile platform are equipped with screw structure.
6. the fixation device of the flexible sample based on terahertz light spectrometer as claimed in claim 4, which is characterized in that third
Mobile platform and/or the 4th mobile platform are equipped with screw structure.
7. the fixation device of the flexible sample based on terahertz light spectrometer as described in claim 1, which is characterized in that described
Shift scale is respectively equipped on first clamp assembly and the second clamp assembly.
8. the fixation device of the flexible sample based on terahertz light spectrometer as described in claim 1, which is characterized in that described
The clamping end of first fixing clamp is equipped with U-type groove and/or second fixing clamp for accommodating the first end of sample to be tested
Clamping end be equipped with U-type groove for accommodating the second end of sample to be tested.
9. a kind of measuring system of the flexible sample based on terahertz light spectrometer comprising terahertz time-domain spectroscopy instrument and such as power
Benefit requires fixation device described in any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821735116.XU CN209280545U (en) | 2018-10-25 | 2018-10-25 | The fixation device and measuring system of flexible sample based on terahertz light spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821735116.XU CN209280545U (en) | 2018-10-25 | 2018-10-25 | The fixation device and measuring system of flexible sample based on terahertz light spectrometer |
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| Publication Number | Publication Date |
|---|---|
| CN209280545U true CN209280545U (en) | 2019-08-20 |
Family
ID=67599290
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821735116.XU Withdrawn - After Issue CN209280545U (en) | 2018-10-25 | 2018-10-25 | The fixation device and measuring system of flexible sample based on terahertz light spectrometer |
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| CN (1) | CN209280545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358001A (en) * | 2018-10-25 | 2019-02-19 | 中国科学院上海微系统与信息技术研究所 | Fixation device, measuring system and the measurement method of flexible sample based on terahertz light spectrometer |
-
2018
- 2018-10-25 CN CN201821735116.XU patent/CN209280545U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358001A (en) * | 2018-10-25 | 2019-02-19 | 中国科学院上海微系统与信息技术研究所 | Fixation device, measuring system and the measurement method of flexible sample based on terahertz light spectrometer |
| CN109358001B (en) * | 2018-10-25 | 2023-09-08 | 中国科学院上海微系统与信息技术研究所 | Fixing device, measuring system and measuring method for bendable sample |
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