CN109445227A - A kind of nonlinear optics imaging system of multiple phase matched - Google Patents
A kind of nonlinear optics imaging system of multiple phase matched Download PDFInfo
- Publication number
- CN109445227A CN109445227A CN201811434870.4A CN201811434870A CN109445227A CN 109445227 A CN109445227 A CN 109445227A CN 201811434870 A CN201811434870 A CN 201811434870A CN 109445227 A CN109445227 A CN 109445227A
- Authority
- CN
- China
- Prior art keywords
- controller
- image
- optical element
- nonlinear optical
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/3544—Particular phase matching techniques
-
- 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
- G02F1/35—Non-linear optics
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The present invention relates to nonlinear optics and image optics technical fields, specifically a kind of nonlinear optics imaging system of multiple phase matched, this imaging system further includes adjustment module, adjustment module is adjusted nonlinear optical element for fit angle controller, the control to phase misalignment dosage is realized, to realize that different space frequency selects；Adjustment module includes temperature controller and pressure controller, and temperature controller and the work of pressure controller fit angle controller, temperature controller and pressure controller are used to that the surface gas temperature and pressure of nonlinear optical element to be monitored and be adjusted.A kind of nonlinear optics imaging system of multiple phase matched proposed by the present invention, the present invention is cooperated by multivariable parameter to be adjusted, imaging fidelity factor and image resolution ratio are improved, provides feasible research approach at the research of image distortion simultaneously for research nonlinear optical element.
Description
Technical field
The present invention relates to nonlinear optics and image optics technical field, specifically a kind of multiple phase matched it is non-
Linear optics imaging system.
Background technique
Currently, image enhancement means are broadly divided into electrical way and optical mode.Electrical way master is to be used electronics
Multiplying charge coupled apparatus (EMCCD) and enhancing charge-coupled device (ICCD), these device uses are than wide.Optics side
The major technique of formula has stimulated Raman scattering, stimulated Brillouin scattering, optical parameter process etc..Relative to electrical way, optics side
The advantages of formula, essentially consists in, and frequency conversion may be implemented, so that whole quantum efficiency gets a promotion, and obtains high increasing
Benefit, reduce noise, therefore field of biomedicine with good application prospect.
But optical mode used at present, such as the modes such as optically erasing (OPA) and frequency (SFG) are only capable of providing
Limited spatial frequency domain bandwidth, and gain transfer function (ATF) curve full width at half maximum of these bandwidth is less than optical system
The full width at half maximum of modulation transfer function (MTF) curve, can only enhance image at certain spatial frequencys, therefore effect is not
It is too ideal.
Also occur some technical solutions for solving above-mentioned technical problem in the prior art, but it is more single to adjust form
One, control amount is less, leads to that fraction is imaged and image resolution ratio is less desirable.
Summary of the invention
In order to make up for the deficiencies of the prior art, system is imaged in a kind of nonlinear optics of multiple phase matched proposed by the present invention
System, the present invention is cooperated by multivariable parameter to be adjusted, and imaging fidelity factor and image resolution ratio are improved, non-simultaneously for studying
Linear optical element provides feasible research approach at the research of image distortion.
The technical solution adopted by the present invention to solve the technical problems is: a kind of multiple phase matched of the present invention
Nonlinear optics imaging system, comprising: laser illuminator module, image receiver module, spatial frequency selecting module, parameter matching at
As module and image processing module；The laser illuminator module issues illumination target object；Described image receiving module
The light that the illumination light is reflected by target object is received, enters the parameter matching imaging mould after forming target object image
Block；The spatial frequency selecting module adjustment phase place match parameter；The parameter matching image-forming module is according to the spatial frequency
The phase matched parameter of selecting module adjustment carries out image enhancement to the target object image at different space frequency, obtains
Enhancing image of the target object at different space frequency；Described image processing module is according to preset spatial frequency transmission function
Enhancing image of the target object of image-forming module acquisition at different space frequency is matched to the parameter and carries out frequency-domain operations, it is real
Existing image co-registration, obtains the enhanced high-fidelity blending image of target object image；Wherein, the phase matched parameter is basis
The one-to-one relationship of phase matched parameter and spatial frequency transmission function is pre-set in nonlinear optical process.
The phase matched parameter is gain transfer function AFT, can be according to gain transfer function ATF and phase misalignment dosage Δ
K presets different ATF.
The spatial frequency selecting module, comprising: pump laser, pumping laser shaping element, Input coupling mirror
With phase matched controller；The pumping laser that the pump laser issues is whole by the pumping laser shaping element
After shape, the laser of the target object image formed with described image receiving module is incident on institute by the Input coupling mirror simultaneously
State the nonlinear optical element in parameter matching image-forming module；The phase matched controller is by adjusting the nonlinear optics
The angle or temperature of element realize the control to phase misalignment dosage, to realize different spatial frequency selections.
The phase matched controller is angle controller, comprising: rotating platform or mirror holder, it is described non-thread for adjusting
Property optical element angle, control to phase misalignment dosage is realized, to realize different spatial frequency selections；
This imaging system further includes adjustment module, adjustment module for fit angle controller to nonlinear optical element into
Row is adjusted, and realizes the control to phase misalignment dosage, to realize that different space frequency selects；Adjustment module includes temperature controller
And pressure controller, temperature controller and the work of pressure controller fit angle controller, temperature controller and pressure controller
For to nonlinear optical element surface gas temperature and pressure be monitored and adjust.Nonlinear optical element was using
Cheng Zhong, with the delay for using the time, temperature can be gradually risen, and excessively high temperature is by the performance to nonlinear optical element
Large effect is caused, in particular for the nonlinear optical element of image procossing, is revolved using simple angle in the prior art
Turn control and temperature control is difficult to meet the actual needs, and the present invention is by using temperature controller and pressure controller
Fit angle controller realizes the control of phase misalignment dosage well.It specifically, can be according to gain transfer function ATF and phase
Amount of mismatch Δ k and nonlinear optical element surface gas temperature Δ T and phase misalignment dosage Δ k and nonlinear optical element table
The relationship and nonlinear optical element surface gas temperature of the angle delta θ of face gas temperature Δ T and the nonlinear optical element
The relationship for spending the angle delta θ of Δ T and the nonlinear optical element, presets different ATF, by adjusting rotating platform or mirror
Frame adjusts the angle delta θ that nonlinear optical element surface gas temperature changes the nonlinear optical element, to obtain
Different phase misalignment dosage Δ k, and then enhance target object image at different spatial frequencys.
The pressure of the propagation medium of light also has a certain impact to optical imagery distortion, by pressure controller to propagation
The change of medium pressure is adjusted phase misalignment dosage.It specifically, can be according to gain transfer function ATF and phase misalignment dosage
Δ k and nonlinear optical element surface gas pressure Δ P and phase misalignment dosage Δ k and nonlinear optical element surface gas
The relationship and nonlinear optical element surface gas pressure Δ P of the angle delta θ of pressure Δ P and the nonlinear optical element
With the relationship of the angle delta θ of the nonlinear optical element, preset different ATF, by adjust rotating platform or mirror holder or
Person adjusts the angle delta θ that nonlinear optical element surface gas pressure changes the nonlinear optical element, to obtain difference
Phase misalignment dosage Δ k, and then enhance target object image at different spatial frequencys.
Further, adjustment module further includes media controller, and media controller is for changing nonlinear optical element week
The gas medium enclosed, and temperature controller, pressure controller and angle controller is cooperated to realize the control to phase misalignment dosage,
To realize different spatial frequency selections.
The gas medium is one of air, hydrogen, rare gas, nitrogen, oxygen or carbon dioxide.
In actual use, angle controller, temperature controller, pressure controller and media controller at least two it
Between cooperating, control to phase misalignment dosage is realized, to realize that different space frequency selects.
Described image receiving module is imaging microscope group.
The laser illuminator module, comprising: illumination laser, shaping and transmitting optical element；The illumination laser hair
The laser penetrated is irradiated to target object after the shaping and transmitting optical element shaping.
In a particular application, the spatial frequency selecting module can also include that synchronization control module is used for the photograph
Bright laser and the pump laser carry out delays time to control, realize range gating, obtain different indulge by changing time delay
The target object image of deep position.In a particular application, the illumination laser in the laser illuminator module and space frequency
The operation mode of pump laser in rate selecting module can be continuously run or pulse operating, to pulse operating for,
Pulsewidth can be nanosecond, picosecond or one of femtosecond.
The parameter matches image-forming module, comprising: nonlinear optical element, output coupling mirror, optical beam dump, Image relaying
Microscope group and linear array charge coupled cell CCD；Pass through institute after the output coupling mirror by the light of the nonlinear optical element
It states Image relaying microscope group and is incident on the linear array charge coupled cell CCD and be imaged, by the target object of acquisition in different spaces frequency
Enhancing image at rate is sent to described image processing module；The optical beam dump, which is collected, passes through the nonlinear optical element
Stray light afterwards.The nonlinear optical element is preferably nonlinear crystal.
Described image capture card receives the target object of the linear array charge coupled cell CCD formation in different space frequency
The enhancing image at place, the processor is according to preset spatial frequency transmission function to the target object in different space frequency
The enhancing image at place carries out frequency-domain operations, realizes image co-registration, obtains the enhanced high-fidelity blending image of target object image.
The processor can be using based on wavelet transformation, Fourier transform, principal component analysis PCA or intensity tone saturation
It spends IHS transformation scheduling algorithm and frequency-domain operations is carried out to enhancing image of the target object at different space frequency, realize image
Fusion obtains the enhanced high-fidelity blending image of target object image.
Using optically erasing process, target object image is enhanced at different spatial frequencys or utilization and frequency
The mode of upper conversion carries out the conversion of frequency to target object image signal, improves whole efficiency, is then calculated again using fusion
Method obtains the image of high-fidelity.
The temperature controller, media controller and pressure controller are located at least the one of nonlinear optical element working face
Side obtains multiple more closing by keeping the performance of nonlinear optical element two sides same or different come adjustment phase place amount of mismatch
Suitable regulated value, to be adapted to different environmental changes.
The temperature controller includes the temperature sensing for carrying out temperature detection to nonlinear optical element surface gas
Device, the heating component for nonlinear optical element surface gas to be heated or cooled down and cooling component.
Linear optical element, nonlinear optical element and linear optical element are successively arranged side by side, and are formed between three
Sealing cavity, the pressure controller include gas pressure detector for being detected to nonlinear optical element surface pressure,
For carrying out the pressure-regulating valve of pressure adjusting to the sealing cavity.
The media controller includes the flow control valve that nonlinear optical element surface is flowed to for controlling gas medium.
The media controller includes for being passed through the intake valve of gas medium to the sealing cavity and for being discharged
State the air outlet valve of gas medium.
Beneficial effects of the present invention are as follows:
1. the present invention is carried out by temperature, pressure and the propagation medium type to nonlinear optical element surface propagation medium
The rotation of the physical orientation of parametric control and fit angle controller, improves imaging fidelity factor and image resolution ratio；Simultaneously
The technical solution that this method uses provides feasible research approach at the research of image distortion for research nonlinear optical element.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
The nonlinear optics imaging system of a kind of multiple phase matched of the present invention, comprising: laser illuminator module, figure
As receiving module, spatial frequency selecting module, parameter matching image-forming module and image processing module；The laser illuminator module hair
Illumination target object out；Described image receiving module receives the light that the illumination light is reflected by target object, forms mesh
The parameter matching image-forming module is entered after mark subject image；The spatial frequency selecting module adjustment phase place match parameter；
The phase matched parameter that the parameter matching image-forming module is adjusted according to the spatial frequency selecting module is to the target object
Image carries out image enhancement at different space frequency, obtains enhancing image of the target object at different space frequency；It is described
Image processing module exists according to the target object that preset spatial frequency transmission function obtains parameter matching image-forming module
Enhancing image at different space frequency carries out frequency-domain operations, realizes image co-registration, obtains the enhanced height of target object image
Fidelity blending image；Wherein, the phase matched parameter is according to phase matched parameter in nonlinear optical process and space frequency
What the one-to-one relationship of rate transmission function was pre-set.
The phase matched parameter is gain transfer function AFT, can be according to gain transfer function ATF and phase misalignment dosage Δ
K presets different ATF.
The spatial frequency selecting module, comprising: pump laser, pumping laser shaping element, Input coupling mirror
With phase matched controller；The pumping laser that the pump laser issues is whole by the pumping laser shaping element
After shape, the laser of the target object image formed with described image receiving module is incident on institute by the Input coupling mirror simultaneously
State the nonlinear optical element in parameter matching image-forming module；The phase matched controller is by adjusting the nonlinear optics
The angle or temperature of element realize the control to phase misalignment dosage, to realize different spatial frequency selections.
The phase matched controller is angle controller, comprising: rotating platform or mirror holder, it is described non-thread for adjusting
Property optical element angle, control to phase misalignment dosage is realized, to realize different spatial frequency selections；
This imaging system further includes adjustment module, adjustment module for fit angle controller to nonlinear optical element into
Row is adjusted, and realizes the control to phase misalignment dosage, to realize that different space frequency selects；Adjustment module includes temperature controller
And pressure controller, temperature controller and the work of pressure controller fit angle controller, temperature controller and pressure controller
For to nonlinear optical element surface gas temperature and pressure be monitored and adjust.Nonlinear optical element was using
Cheng Zhong, with the delay for using the time, temperature can be gradually risen, and excessively high temperature is by the performance to nonlinear optical element
Large effect is caused, in particular for the nonlinear optical element of image procossing, is revolved using simple angle in the prior art
Turn control and temperature control is difficult to meet the actual needs, and the present invention is by using temperature controller and pressure controller
Fit angle controller realizes the control of phase misalignment dosage well.It specifically, can be according to gain transfer function ATF and phase
Amount of mismatch Δ k and nonlinear optical element surface gas temperature Δ T and phase misalignment dosage Δ k and nonlinear optical element table
The relationship and nonlinear optical element surface gas temperature of the angle delta θ of face gas temperature Δ T and the nonlinear optical element
The relationship for spending the angle delta θ of Δ T and the nonlinear optical element, presets different ATF, by adjusting rotating platform or mirror
Frame adjusts the angle delta θ that nonlinear optical element surface gas temperature changes the nonlinear optical element, to obtain
Different phase misalignment dosage Δ k, and then enhance target object image at different spatial frequencys.
The pressure of the propagation medium of light also has a certain impact to optical imagery distortion, by pressure controller to propagation
The change of medium pressure is adjusted phase misalignment dosage.It specifically, can be according to gain transfer function ATF and phase misalignment dosage
Δ k and nonlinear optical element surface gas pressure Δ P and phase misalignment dosage Δ k and nonlinear optical element surface gas
The relationship and nonlinear optical element surface gas pressure Δ P of the angle delta θ of pressure Δ P and the nonlinear optical element
With the relationship of the angle delta θ of the nonlinear optical element, preset different ATF, by adjust rotating platform or mirror holder or
Person adjusts the angle delta θ that nonlinear optical element surface gas pressure changes the nonlinear optical element, to obtain difference
Phase misalignment dosage Δ k, and then enhance target object image at different spatial frequencys.
Further, adjustment module further includes media controller, and media controller is for changing nonlinear optical element week
The gas medium enclosed, and temperature controller, pressure controller and angle controller is cooperated to realize the control to phase misalignment dosage,
To realize different spatial frequency selections.
The gas medium is one of air, hydrogen, rare gas, nitrogen, oxygen or carbon dioxide.
In actual use, angle controller, temperature controller, pressure controller and media controller at least two it
Between cooperating, control to phase misalignment dosage is realized, to realize that different space frequency selects.
Described image receiving module is imaging microscope group.
The laser illuminator module, comprising: illumination laser, shaping and transmitting optical element；The illumination laser hair
The laser penetrated is irradiated to target object after the shaping and transmitting optical element shaping.
In a particular application, the spatial frequency selecting module can also include that synchronization control module is used for the photograph
Bright laser and the pump laser carry out delays time to control, realize range gating, obtain different indulge by changing time delay
The target object image of deep position.In a particular application, the illumination laser in the laser illuminator module and space frequency
The operation mode of pump laser in rate selecting module can be continuously run or pulse operating, to pulse operating for,
Pulsewidth can be nanosecond, picosecond or one of femtosecond.
The parameter matches image-forming module, comprising: nonlinear optical element, output coupling mirror, optical beam dump, Image relaying
Microscope group and linear array charge coupled cell CCD；Pass through institute after the output coupling mirror by the light of the nonlinear optical element
It states Image relaying microscope group and is incident on the linear array charge coupled cell CCD and be imaged, by the target object of acquisition in different spaces frequency
Enhancing image at rate is sent to described image processing module；The optical beam dump, which is collected, passes through the nonlinear optical element
Stray light afterwards.The nonlinear optical element is preferably nonlinear crystal.
Described image capture card receives the target object of the linear array charge coupled cell CCD formation in different space frequency
The enhancing image at place, the processor is according to preset spatial frequency transmission function to the target object in different space frequency
The enhancing image at place carries out frequency-domain operations, realizes image co-registration, obtains the enhanced high-fidelity blending image of target object image.
The processor can be using based on wavelet transformation, Fourier transform, principal component analysis PCA or intensity tone saturation
It spends IHS transformation scheduling algorithm and frequency-domain operations is carried out to enhancing image of the target object at different space frequency, realize image
Fusion obtains the enhanced high-fidelity blending image of target object image.
Using optically erasing process, target object image is enhanced at different spatial frequencys or utilization and frequency
The mode of upper conversion carries out the conversion of frequency to target object image signal, improves whole efficiency, is then calculated again using fusion
Method obtains the image of high-fidelity.
The temperature controller, media controller and pressure controller are located at least the one of nonlinear optical element working face
Side obtains multiple more closing by keeping the performance of nonlinear optical element two sides same or different come adjustment phase place amount of mismatch
Suitable regulated value, to be adapted to different environmental changes.
The temperature controller includes the temperature sensing for carrying out temperature detection to nonlinear optical element surface gas
Device, the heating component for nonlinear optical element surface gas to be heated or cooled down and cooling component.
Linear optical element, nonlinear optical element and linear optical element are successively arranged side by side, and are formed between three
Sealing cavity, the pressure controller include gas pressure detector for being detected to nonlinear optical element surface pressure,
For carrying out the pressure-regulating valve of pressure adjusting to the sealing cavity.
The media controller includes the flow control valve that nonlinear optical element surface is flowed to for controlling gas medium.
The media controller includes for being passed through the intake valve of gas medium to the sealing cavity and for being discharged
State the air outlet valve of gas medium.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (9)
1. a kind of nonlinear optics imaging system of multiple phase matched, comprising: laser illuminator module, image receiver module, sky
Between frequency-selecting module, parameter matching image-forming module and image processing module；The laser illuminator module issues illumination
Target object；Described image receiving module receives the light that the illumination light is reflected by target object, after forming target object image
Enter the parameter matching image-forming module；The spatial frequency selecting module adjustment phase place match parameter；The parameter matching
The phase matched parameter that image-forming module is adjusted according to the spatial frequency selecting module is to the target object image in different skies
Between image enhancement is carried out at frequency, obtain enhancing image of the target object at different space frequency；Described image processing module
According to preset spatial frequency transmission function to the target object of parameter matching image-forming module acquisition in different space frequency
The enhancing image at place carries out frequency-domain operations, realizes image co-registration, obtains the enhanced high-fidelity blending image of target object image；
Wherein, the phase matched parameter is one according to phase matched parameter in nonlinear optical process and spatial frequency transmission function
What one corresponding relationship was pre-set；
The spatial frequency selecting module, comprising: pump laser, pumping laser shaping element, Input coupling mirror and phase
Position matching controller；The pumping laser that the pump laser issues passes through the shaping of the pumping laser shaping element
Afterwards, the laser of the target object image formed with described image receiving module is incident on by the Input coupling mirror described simultaneously
Parameter matches the nonlinear optical element in image-forming module；The phase matched controller is by adjusting the nonlinear optics member
The angle or temperature of part realize the control to phase misalignment dosage, to realize different spatial frequency selections；The phase matched
Controller is angle controller, comprising: rotating platform or mirror holder, it is real for adjusting the angle of the nonlinear optical element
Now to the control of phase misalignment dosage, to realize different spatial frequency selections；
It is characterized in that, this imaging system further includes adjustment module, adjustment module is for fit angle controller to nonlinear optical
It learns element to be adjusted, realizes the control to phase misalignment dosage, to realize that different space frequency selects；Adjustment module includes temperature
Spend controller and pressure controller, temperature controller and the work of pressure controller fit angle controller, temperature controller and pressure
Strong controller is for being monitored and adjusting to the surface gas temperature and pressure of nonlinear optical element.
2. imaging system according to claim 1, which is characterized in that adjustment module further includes media controller, medium control
Device processed cooperates temperature controller, pressure controller and angle for changing the gas medium around nonlinear optical element
Controller realizes the control to phase misalignment dosage, to realize different spatial frequency selections.
3. imaging system according to claim 2, which is characterized in that angle controller, temperature controller, pressure controller
The cooperating between media controller at least two realizes the control to phase misalignment dosage, to realize different space frequency
Selection.
4. imaging system according to claim 4, which is characterized in that the temperature controller, media controller and pressure
Controller is located at at least side of nonlinear optical element working face.
5. imaging system according to claim 4, which is characterized in that the temperature controller includes for nonlinear optical
Learn element surface gas carry out temperature detection temperature sensor, for nonlinear optical element surface gas carry out heating or
The heating component and cooling component of person's cooling.
6. imaging system according to claim 4, which is characterized in that linear optical element, nonlinear optical element and line
Property optical element is successively arranged side by side, and sealing cavity is formed between three, and the pressure controller includes for non-linear
The gas pressure detector that optical element surface air pressure is detected, the pressure for carrying out pressure adjusting to the sealing cavity are adjusted
Valve.
7. imaging system according to claim 4, which is characterized in that the media controller includes being situated between for controlling gas
Flow control valve of the mass flow to nonlinear optical element surface.
8. imaging system according to claim 6, which is characterized in that the media controller includes for the sealing
Cavity is passed through the intake valve of gas medium and the air outlet valve for the gas medium to be discharged.
9. imaging system according to claim 6 or 7, which is characterized in that the gas medium is air, hydrogen, rare
One of gas, nitrogen, oxygen or carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434870.4A CN109445227A (en) | 2018-11-28 | 2018-11-28 | A kind of nonlinear optics imaging system of multiple phase matched |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434870.4A CN109445227A (en) | 2018-11-28 | 2018-11-28 | A kind of nonlinear optics imaging system of multiple phase matched |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109445227A true CN109445227A (en) | 2019-03-08 |
Family
ID=65556445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811434870.4A Pending CN109445227A (en) | 2018-11-28 | 2018-11-28 | A kind of nonlinear optics imaging system of multiple phase matched |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109445227A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003222591A (en) * | 2002-01-30 | 2003-08-08 | Yokogawa Electric Corp | Gas measurement device |
| CN103309118A (en) * | 2013-05-20 | 2013-09-18 | 温州大学 | Device and method for generating extreme ultraviolet tunable monochromatic coherent light source |
| US20150063385A1 (en) * | 2013-09-04 | 2015-03-05 | Tenio V. Popmintchev | Generation of VUV, EUV, and X-ray Light Using VUV-UV-VIS Lasers |
| CN105911792A (en) * | 2016-07-04 | 2016-08-31 | 中国科学院理化技术研究所 | Non-linear optical imaging device based on multi-phase matching process |
-
2018
- 2018-11-28 CN CN201811434870.4A patent/CN109445227A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003222591A (en) * | 2002-01-30 | 2003-08-08 | Yokogawa Electric Corp | Gas measurement device |
| CN103309118A (en) * | 2013-05-20 | 2013-09-18 | 温州大学 | Device and method for generating extreme ultraviolet tunable monochromatic coherent light source |
| US20150063385A1 (en) * | 2013-09-04 | 2015-03-05 | Tenio V. Popmintchev | Generation of VUV, EUV, and X-ray Light Using VUV-UV-VIS Lasers |
| CN105911792A (en) * | 2016-07-04 | 2016-08-31 | 中国科学院理化技术研究所 | Non-linear optical imaging device based on multi-phase matching process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106847849B (en) | A kind of multispectral chip and preparation method thereof based on super surface narrow-band-filter | |
| US5555324A (en) | Method and apparatus for generating a synthetic image by the fusion of signals representative of different views of the same scene | |
| CN104574332B (en) | A kind of airborne photoelectric gondola image interfusion method | |
| CN104240194B (en) | A kind of enhancement algorithm for low-illumination image based on parabolic function | |
| CN108270955B (en) | High-speed imaging method for monochromatic narrow-pulse active light source time-sharing multiplexing illumination | |
| CN108414088A (en) | A kind of micro- polarization imaging device of EO-1 hyperion and method | |
| CA2407133A1 (en) | Real-time opto-electronic image processor | |
| CN100592763C (en) | Method and apparatus for regulating image brightness | |
| CN105973850B (en) | Visible light wave band atmospheric transmittance measurement method based on single-frame color image | |
| CN105318972A (en) | Anti-blinding uncooled infrared thermal imager based on liquid crystal light valve | |
| JP2021507211A (en) | Systems, equipment and methods for simultaneous multi-plane imaging | |
| CN105866061A (en) | A differential pulse detecting apparatus for terahertz wave time domain information and a differential pulse detecting method | |
| CN109445227A (en) | A kind of nonlinear optics imaging system of multiple phase matched | |
| CN112611719A (en) | Terahertz photoacoustic single-pixel imaging device and imaging method | |
| CN115567663A (en) | Ultra-sensitive mid-infrared single-pixel imaging method and device based on nonlinear spatial modulation | |
| Amrania et al. | Ultrafast infrared chemical imaging of live cells | |
| CN108256166A (en) | A kind of data processing method for thermo-mapping technique | |
| CN110146410A (en) | The measuring device and method of atomic density and i on population based on differential absorption method | |
| CN104638505A (en) | Method and device for generating broadband continuously tunable coherent extreme ultraviolet source | |
| CN110068445B (en) | Infrared visual simulation system and radiation field joint regulation and control method thereof | |
| Hammack et al. | CH PLIF and PIV implementation using CX (0, 0) and intra-vibrational band filtered detection | |
| CN207992043U (en) | A kind of optoacoustic spectroscopy detecting system | |
| CN108955879B (en) | Portable liquid crystal multispectral imaging system | |
| CN112629670A (en) | High-frequency dynamic flame temperature measuring method and system | |
| CN109724951A (en) | A kind of dynamic super-resolution fluorescence imaging technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |