CN108121090B - A kind of THz wave flexible optical window and its preparation method and application of field of force regulation - Google Patents
A kind of THz wave flexible optical window and its preparation method and application of field of force regulation Download PDFInfo
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- CN108121090B CN108121090B CN201611071001.0A CN201611071001A CN108121090B CN 108121090 B CN108121090 B CN 108121090B CN 201611071001 A CN201611071001 A CN 201611071001A CN 108121090 B CN108121090 B CN 108121090B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002002 slurry Substances 0.000 claims abstract description 33
- 238000010146 3D printing Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000919 ceramic Substances 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000005416 organic matter Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 8
- 229910002113 barium titanate Inorganic materials 0.000 claims description 7
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- QXYJCZRRLLQGCR-UHFFFAOYSA-N dioxomolybdenum Chemical compound O=[Mo]=O QXYJCZRRLLQGCR-UHFFFAOYSA-N 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical class C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 238000001228 spectrum Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000001723 curing Methods 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 238000013007 heat curing Methods 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004038 photonic crystal Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000001328 terahertz time-domain spectroscopy Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/0009—Materials therefor
- G02F1/0072—Mechanical, acoustic, electro-elastic, magneto-elastic properties
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Acoustics & Sound (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The present invention discloses a kind of THz wave flexible optical window and its preparation method and application of field of force regulation, belong to THz wave application technology and mechanics sensor field, this method combination 3D printing technique and flexible material design, ceramic powders with different dielectric property are deployed into slurry with organic matter fertile material according to a certain ratio, which can print into the THz wave flexible optical window with different close pile structures by 3D printing technique.The flexible optical window can be achieved to penetrate the selectivity of the Terahertz of different-waveband in the case where the field of force regulates and controls, it overcomes original terahertz optics window and once forms the shortcomings that its optical characteristics can not change, particularly, which is also used as a kind of mechanics sensor.
Description
Technical field:
The present invention relates to THz wave application technology and mechanics sensor technical fields, and in particular to a kind of field of force regulation
THz wave flexible optical window and its preparation method and application.
Background technique:
THz wave refers to frequency in the electromagnetic wave of 0.1THz to 10THz range, and wavelength is probably in 0.03mm to 3mm model
Enclose, between microwave and it is infrared between.The special performance of Terahertz is military to communication (broadband connections), radar, electronic countermeasure, electromagnetism
Device, astronomy, medical imaging (imaging of unmarked genetic test, cellular level), non-destructive testing, safety inspection (biological
Inspection) etc. fields bring far-reaching influence.
After previous THz wave optical window is once prepare molding, optical characteristics is just finalized, can not be for existing
Different test objects make the adjustment of look-in frequency in real application, restrict terahertz detection technology.Therefore, there is optical characteristics
The preparation of adjustable THz wave optical window will be an important research direction of THz wave technology development.
Summary of the invention:
The purpose of the present invention is to provide a kind of THz wave flexible optical window and preparation method thereof of field of force regulation and
Using present invention combination 3D printing technique and flexible material design, by ceramic powders and organic matter with different dielectric property
Fertile material is deployed into slurry according to a certain ratio, which be can print by 3D printing technique has different close pile structures too
Hertz wave flexible optical window.
To achieve the above object, the present invention uses following scheme:
A kind of preparation method of the THz wave flexible optical window of field of force regulation, this method will have dielectric property first
Ceramic powders be uniformly mixed with organic matter fertile material and be configured to 3D printing slurry；Then 3D printing slurry is beaten by 3D
Print technology is printed as the THz wave flexible optical window with different close pile structures；The field of force is obtained after cured molding again
Adjustable THz wave flexible optical window.
In the 3D printing slurry, the ceramic powders proportion with dielectric property is 1-90wt.%.
In the 3D printing slurry, the ceramic powders with dielectric property be titanium dioxide, barium titanate, aluminium oxide,
One or more of silica, silicon carbide, titanium carbide, tungsten carbide, calcium titanate and molybdenum dioxide；The organic matter parent material
Material is PDMS Series silica gel, overmolded silica gel or glass capsulation silica gel.
During the 3D printing, Bu Tong close pile structure is printed as by control needle diameter and printing spacing, can be used
Two ways: using the syringe needle of same diameter, spacing is printed from 100-2000 microns and forms close pile structure；Or using different straight
The syringe needle of diameter prints identical spacing and forms close pile structure.
The method of the present invention specifically comprises the following steps:
(1) 3D printing slurry preparation: ceramic powders are proportionally added into organic matter fertile material, are obtained after mixing
3D printing slurry is obtained, which will meet shear thinning characteristic and meet loss modulus G " < storage modulus G ', to guarantee slurry
It is able to maintain shape after extrusion；
(2) slurry obtained by step (1) 3D printing: is printed as close pile structure using extrusion type 3D printer；The process packet
The close pile structure printing path of setting, the slurry successively carried out is included to be attached in the barrel of 3D printer and according to close pile structure path
It is printed as close pile structure；
(3) the printed close pile structure of step (2) curing molding: is subjected to curing molding processing, treatment temperature 30-80
DEG C, it handles time 2-8 hours, that is, obtains the adjustable THz wave flexible optical window in the field of force.
It can be realized the Terahertz to different-waveband under the regulation of the field of force using the flexible optical window of above method preparation
Wave selectively penetrates.The flexible optical window can be used as a kind of mechanics sensor use.
The present invention has the following advantages and beneficial effects:
The selection to the THz wave of different-waveband can be achieved in the case where the field of force regulates and controls for flexible optical window prepared by the present invention
Property penetrate, overcome original terahertz optics window and once form the shortcomings that its optical characteristics can not change, particularly, the terahertz
Hereby flexible optical window is also used as a kind of mechanics sensor.
Detailed description of the invention:
Fig. 1 is 180 microns of dielectric rod diameter, and the THz wave for the flexible optical window that dielectric rod spacing is 600 microns is saturating
Cross spectrum.
Fig. 2 is 180 microns of dielectric rod diameter, and the THz wave for the flexible optical window that dielectric rod spacing is 500 microns is saturating
Cross spectrum.
Fig. 3 is 180 microns of dielectric rod diameter, and the THz wave for the flexible optical window that dielectric rod spacing is 400 microns is saturating
Cross spectrum.
Fig. 4 is flexible optical window figure prepared by embodiment 4；Wherein: a flexibility terahertz optics window optics picture, b are drawn
Stretch schematic diagram, after c Fourier transformation, Terahertz when relative elongation is respectively 10%, 20%, 30%, 40% and 50%
Wave penetrates map.
Specific embodiment:
Below with reference to specific embodiment, the present invention will be further described.
The preparation method of the THz wave flexible optical window of field of force regulation of the present invention, comprises the technical steps that:
(1) configuration of 3D printing slurry: the ceramic powders of dielectric property are added in organic matter fertile material, in which: tool
There is the additional amount of the ceramic powders of dielectric property to account for the 1-90wt.% of organic matter fertile material weight, it is dilute that slurry will meet shearing
Change characteristic and meet loss modulus G " < storage modulus G ', to guarantee that slurry is able to maintain shape after extrusion；
(2) slurry obtained by step (1) 3D printing: is printed as close pile structure using extrusion type 3D printer.The process according to
It is secondary are as follows: path code, the slurry for writing close yard structure are attached in the barrel of 3D printer and are printed as according to close pile structure path
Close pile structure.
(3) curing molding: carrying out curing process for the printed close pile structure photonic crystal yard structure of step (2), Gu
Change 80 DEG C for the treatment of temperature, handles time 2 h；The THz wave flexible optical window of the field of force regulation is obtained after curing process
Mouthful.
In above-mentioned steps (1), the selected ceramic powders with different dielectric property are titanium dioxide, barium titanate, oxygen
Change one or more of aluminium, silica, silicon carbide, titanium carbide, tungsten carbide, calcium titanate and molybdenum dioxide.
In above-mentioned steps (1), the organic matter fertile material is Dow Corning Corporation's Series P DMS silica gel: SE1700,
SYLGARD184；Overmolded silica gel；Glass capsulation silica gel.
In above-mentioned steps (2), the process of close pile structure is formed, specifically: using the syringe needle of same diameter, print spacing
From 100-2000 microns of close pile structure；Or the syringe needle using different-diameter, print the close pile structure of identical spacing.
Terahertz time-domain spectroscopy test is carried out by the excessively resulting flexible optical window of step (3) curing process, is passed through
Fourier transformation obtains its THz wave through map, and manufactured flexible optical window may be implemented under different stretch state
The selectivity of THz wave penetrates.
Embodiment 1
Step 1, barium titanate ceramic powder 4g is added in 6g DOW CORNING SE1700, is uniformly mixed into slurry to be printed.
Step 2, slurry is encased in printer barrel, and the spacing that close pile structure is arranged is 400 microns, and layer high 150 is micro-
Rice, is printed as by flexible optical window.
Step 3,80 DEG C of heat cure processing in 2 hours are carried out to printed flexible optical window.
Step 4, tera-hertz spectra test is carried out to heat treated flexible optical window, obtains it by Fourier transformation
THz wave penetrates map, and result is as shown in Figure 1.
Embodiment 2
Step 1, barium titanate ceramic powder 4g is added in 6g DOW CORNING SE1700, is uniformly mixed into slurry to be printed.
Step 2, slurry is encased in printer barrel, and the spacing that close pile structure is arranged is 500 microns, and layer high 150 is micro-
Rice, is printed as flexible optical window.
Step 3,80 DEG C of heat cure processing in 2 hours are carried out to printed flexible optical window.
Step 4, tera-hertz spectra test is carried out to heat treated flexible optical window, obtains it by Fourier transformation
THz wave penetrates map, and result is as shown in Figure 2.
Embodiment 3
Step 1, barium titanate ceramic powder 4g is added in 6g DOW CORNING SE1700, is uniformly mixed into slurry to be printed.
Step 2, slurry is encased in printer barrel, and the spacing that close pile structure is arranged is 600 microns, and layer high 150 is micro-
Rice, is printed as by flexible optical window.
Step 3, printed flexible optical window is carried out carrying out 80 DEG C of heat cure processing in 2 hours.
Step 4, tera-hertz spectra test is carried out to heat treated flexible optical window, obtains it by Fourier transformation
THz wave penetrates map, and result is as shown in Figure 3.
Embodiment 4
Step 1, barium titanate ceramic powder 4g is added in 6g DOW CORNING SE1700, is uniformly mixed into slurry to be printed.
Step 2, slurry is encased in printer barrel, and the spacing that close pile structure is arranged is 300 microns, and layer is 150 microns high,
It is printed as flexible optical window.
Step 3, printed flexible optical window is carried out carrying out 80 DEG C of heat cure processing in 2 hours.
Step 4, it carries out tera-hertz spectra under stress to heat treated flexible optical window to test, by Fourier
Transformation obtains its THz wave through map, and result is as shown in c in Fig. 4.From fig. 4 it can be seen that flexible optical window is in power
Under the action of gradually stretch, relative elongation increases to 50% by 10%, and absorption peak is caused to have 0.59THz to be moved to
0.53THz。
Examples detailed above only refers to, and has 3D printing that is similar with the present invention or extending from this patent thinking
The manufacturing method of flexible photonic window, in protection scope of the present invention.
Claims (7)
1. a kind of preparation method of the THz wave flexible optical window of field of force regulation, it is characterised in that: this method first will tool
There are the ceramic powders of dielectric property to be uniformly mixed with organic matter fertile material and is configured to 3D printing slurry；Then by 3D printing slurry
The THz wave flexible optical window with different close pile structures is printed as by 3D printing technique；It is obtained after cured molding again
The THz wave flexible optical window of the field of force regulation；This method specifically comprises the following steps:
(1) 3D printing slurry preparation: ceramic powders are proportionally added into organic matter fertile material, obtain 3D after mixing
Slurry is printed, which will meet shear thinning characteristic and meet loss modulus G " < storage modulus G ', to guarantee that slurry is squeezing
Shape is able to maintain after out；
(2) slurry obtained by step (1) 3D printing: is printed as close pile structure using extrusion type 3D printer；Described use squeezes out
The process that type 3D printer is printed as close pile structure includes that the close pile structure printing path of setting, the slurry successively carried out is attached to 3D and beats
Close pile structure is printed as in the barrel of print machine and according to close pile structure printing path；
(3) curing molding: the printed close pile structure of step (2) is subjected to curing molding processing, 30-80 DEG C for the treatment of temperature, is located
Reason time 2-8 hours obtains the THz wave flexible optical window of the field of force regulation.
2. the preparation method of the THz wave flexible optical window of field of force regulation according to claim 1, it is characterised in that:
In the 3D printing slurry, the ceramic powders proportion with dielectric property is 1-90wt.%.
3. the preparation method of the THz wave flexible optical window of field of force regulation according to claim 1, it is characterised in that:
In the 3D printing slurry, the ceramic powders with dielectric property be titanium dioxide, barium titanate, aluminium oxide, silica,
One or more of silicon carbide, titanium carbide, tungsten carbide, calcium titanate and molybdenum dioxide；The organic matter fertile material is PDMS
Series silica gel, overmolded silica gel or glass capsulation silica gel.
4. the preparation method of the THz wave flexible optical window of field of force regulation according to claim 1, it is characterised in that:
During the 3D printing, Bu Tong close pile structure is printed as by control needle diameter and printing spacing, two ways can be used:
Using the syringe needle of same diameter, spacing is printed from 100-2000 microns and forms close pile structure；Or the syringe needle using different-diameter,
It prints identical spacing and forms close pile structure.
5. a kind of THz wave flexible optical window of the field of force regulation using the preparation of claim 1 method.
6. the THz wave flexible optical window of field of force regulation according to claim 5, it is characterised in that: the flexible optical
Window can be realized in the case where the field of force regulates and controls selectively penetrates the THz wave of different-waveband.
7. the application of the THz wave flexible optical window of field of force regulation according to claim 5, it is characterised in that: this is soft
Property optical window is as a kind of mechanics sensor.
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| CN201611071001.0A CN108121090B (en) | 2016-11-29 | 2016-11-29 | A kind of THz wave flexible optical window and its preparation method and application of field of force regulation |
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| CN201611071001.0A CN108121090B (en) | 2016-11-29 | 2016-11-29 | A kind of THz wave flexible optical window and its preparation method and application of field of force regulation |
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| CN101630040B (en) * | 2009-08-13 | 2011-08-24 | 中国计量学院 | Method for adjusting birefringence coefficient of high double-refraction elliptical porous terahertz waveguide |
| CN103364973A (en) * | 2013-06-29 | 2013-10-23 | 天津大学 | Soft terahertz wave modulator |
| CN106329146B (en) * | 2016-09-09 | 2019-11-08 | 电子科技大学 | A kind of flexibility Terahertz Meta Materials wave absorbing device and preparation method thereof |
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