CN108593106A - A kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum - Google Patents
A kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum Download PDFInfo
- Publication number
- CN108593106A CN108593106A CN201810356576.XA CN201810356576A CN108593106A CN 108593106 A CN108593106 A CN 108593106A CN 201810356576 A CN201810356576 A CN 201810356576A CN 108593106 A CN108593106 A CN 108593106A
- Authority
- CN
- China
- Prior art keywords
- transient state
- brillouin scattering
- stimulated brillouin
- pulse
- state ultrasonic
- 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.)
- Granted
Links
- 230000001052 transient effect Effects 0.000 title claims abstract description 39
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000001228 spectrum Methods 0.000 title claims abstract description 24
- 230000010287 polarization Effects 0.000 claims abstract description 18
- 101000694017 Homo sapiens Sodium channel protein type 5 subunit alpha Proteins 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 3
- 238000009826 distribution Methods 0.000 claims description 10
- 238000009532 heart rate measurement Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 108091006146 Channels Proteins 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000005304 optical glass Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
- G01J3/4412—Scattering spectrometry
Abstract
The present invention provides a kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum.Including injection seeded pulse Nd;YAG laser, polarization spectroscope, wave plate etc..The detailed process of above system device is injection seeded pulse Nd;YAG laser launches the laser beam that wavelength is 532nm, by polarization spectroscope, polarization spectroscope is high to horizon light thoroughly, it is high to orthogonal polarized light anti-, laser beam is using quarter wave plate, convex lens, it focuses in temperature-controlled glass sink, generate backward SBS spectrum, after stimulated Brillouin scattering light passes sequentially through quarter wave plate, polarization spectroscope, speculum, concavees lens, convex lens, F P etalons, into ICCD signal acquiring systems, the time sequence control device of ICCD is pulse daley generator, is shown on computers after signal processing analysis.It is an advantage of the invention that：Stimulated Brillouin scattering transient grating structure is more accurately detected to analyze stimulated Brillouin scattering generation mechanism.
Description
Technical field
The present invention relates to a kind of system and device, specially a kind of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum
System and device.
Background technology
The present invention mainly detects pumping laser by double-beam system and produces in water as a kind of detection system device
Transient state ultrasonic grating structure when raw stimulated Brillouin scattering.Invention thought is that stimulated Brillouin scattering detects and distant under water
There is a broad prospect of application in sense field, but the related report of its mechanism of action and few, and without many experimental results of method interpretation.Have at present
The physical mechanism research for closing stimulated Brillouin scattering is essentially all around the nonlinear coupled-wave equation group solved after simplifying
Some basic laws are analyzed and explained to numerical solution, and lacks corresponding spy to microcosmic mechanism present in scattering process and structure
Survey method.Using the stimulated Brillouin scattering in dual-beam detection system analysis water, emphasis detects to generate in water is excited the present invention
The Refractive index modulation distribution of water and ultrasonic grating non-uniform Distribution after Brillouin scattering are surveyed using picosecond laser and ultrashort pulse
It measures the equipment such as instrument and is answered by detecting light distribution of the light beam by the difraction spectrum after transient state ultrasonic grating, the elasticity for obtaining medium
Become distribution, to analyze stimulated Brillouin scattering transient state ultrasonic grating structure and index distribution, result of detection will be to solving
The investigation depth of stimulated Brillouin scattering laser radar and detection accuracy problem have potential application at present.
Invention content
The purpose of the present invention is to provide it is a kind of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum system and device,
Stimulated Brillouin scattering transient grating structure is more accurately detected to analyze stimulated Brillouin scattering generation mechanism.
The technical solution adopted by the present invention is as follows：A kind of system of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum
Device, including injection seeded pulse Nd;YAG laser（01）, polarization spectroscope（02）, quarter wave plate（03）, convex lens（04）、
Transient state ultrasonic grating（05）, temperature-controlled glass sink（06）, ps Pulse Measurement instrument（07）, speculum（08）, concavees lens（09）, it is convex
Lens（10）, F-P etalons（11）、ICCD（12）, pulse daley generator（13）, computer（14）, picosecond laser（15）、
Concavees lens（16）, convex lens（17）, speculum（18）；It is characterized in that：The detailed process of above system device is injection seeded
Pulse Nd;YAG laser（01）Launch the laser beam that wavelength is 532nm, by polarization spectroscope（02）, polarization spectroscope pair
Horizon light is high thoroughly, and high to orthogonal polarized light anti-, laser beam is using quarter wave plate（03）, convex lens（04）, focus on temperature-controlled glass
Sink（06）In, backward SBS spectrum is generated, stimulated Brillouin scattering light passes sequentially through quarter wave plate（03）, partially
Shake spectroscope（02）, speculum（08）, concavees lens（09）, convex lens（10）, F-P etalons（11）Afterwards, it is adopted into ICCD signals
Collecting system（12）, the time sequence control device of ICCD is pulse daley generator（13）, computer is shown in after signal processing analysis
（14）On；Another beam optical path is picosecond laser（15）Launch the detection light beam that wavelength is 532nm, by concavees lens（16）With
Convex lens（17）After being collimated, by speculum（18）It is reflected into transient state ultrasonic grating through Bragg angle（05）Position, generation
Diffraction light is by ps Pulse Measurement instrument（07）Acquisition.By detecting light intensity of the light beam by the difraction spectrum after transient state ultrasonic grating
Distribution, obtains the distribution of elastic strain of medium, to analyze stimulated Brillouin scattering transient state ultrasonic grating structure and refractive index
Distribution.
Picosecond laser（15）The light beam launched is incident on stimulated Brillouin scattering transient state ultrasonic grating with Bragg angle
（05）In.
Use injection seeded pulse Nd;YAG laser（01）, polarization spectroscope（02）, quarter wave plate（03）, convex lens
（04）, transient state ultrasonic grating（05）, temperature-controlled glass sink（06）, ps Pulse Measurement instrument（07）, speculum（08）, concavees lens
（09）, convex lens（10）, F-P etalons（11）、ICCD（12）, pulse daley generator（13）, computer（14）, picosecond laser
Device（15）, concavees lens（16）, convex lens（17）, speculum（18）System and device.
Temperature-controlled glass sink（06）Temperature range is 0-40 DEG C, 0.1 DEG C of temperature accuracy, using high K9 type optical glass thoroughly.
Injection seeded pulse Nd;YAG laser（01）, repetition rate：10HZ, pulse width：8ns, single pulse energy：4J
（532nm）, line width：90MHz；Picosecond laser（15）, wavelength：1064/532/355nm, pulsewidth：30ps, repetition rate：
10Hz exports energy：1064nm（80mJ）、532nm（40mJ）、355nm（24mJ）.
ICCD（12）, most kissing gate is wide：2ns, Pixel Dimensions：12 μm, pixel number：1024x1024, transmission rate：5MHz is sensitive
Degree：4-300ADU/ photons；Pulse daley generator（13）For 4 channels, delay：0-1000 seconds adjustable, precision：2ps, rising edge：
5ps。
It is an advantage of the invention that：Stimulated Brillouin scattering transient grating structure is more accurately detected to analyze excited Brillouin
Scatter generation mechanism.
Description of the drawings
Fig. 1 is the system construction drawing of the present invention.
Shown in Fig. 1：Injection seeded pulse Nd;YAG laser（01）, polarization spectroscope（02）, quarter wave plate（03）, convex lens
Mirror（04）, transient state ultrasonic grating（05）, temperature-controlled glass sink（06）, ps Pulse Measurement instrument（07）, speculum（08）, concavees lens
（09）, convex lens（10）, F-P etalons（11）、ICCD（12）, pulse daley generator（13）, computer（14）, picosecond laser
Device（15）, concavees lens（16）, convex lens（17）, speculum（18）.
Specific implementation mode
1. injection seeded pulse Nd;YAG laser（01）Launch the laser beam that wavelength is 532nm, by polarization spectro
Mirror（02）, polarization spectroscope is high to horizon light thoroughly, and high to orthogonal polarized light anti-, laser beam is using quarter wave plate（03）, convex lens
（04）, it is incident on temperature-controlled glass sink（06）In, it focuses and generates backward SBS spectrum, stimulated Brillouin scattering light
Pass sequentially through quarter wave plate（03）, polarization spectroscope（02）, speculum（08）, concavees lens（09）, convex lens（10）, F-P etalons
（11）Afterwards, into ICCD signal acquiring systems（12）, the time sequence control device of ICCD is pulse daley generator（13）, at signal
It is shown in computer after reason analysis（14）On.Another beam optical path is picosecond laser（15）Launch the detection that wavelength is 532nm
Light beam, by concavees lens（16）And convex lens（17）After being collimated, by speculum（18）It is super it to be reflected into transient state through Bragg angle
Acoustic grating position, the diffraction light of generation is by ps Pulse Measurement instrument（07）Acquisition.
2. the present invention relates to a kind of system and devices of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum, its main feature is that
Picosecond laser（15）The light beam launched is incident on stimulated Brillouin scattering transient state ultrasonic grating with Bragg angle（05）In.
3. the present invention relates to a kind of system and devices of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum, its main feature is that
Use injection seeded pulse Nd;YAG laser（01）, polarization spectroscope（02）, quarter wave plate（03）, convex lens（04）, transient state
Ultrasonic grating（05）, temperature-controlled glass sink（06）, ps Pulse Measurement instrument（07）, speculum（08）, concavees lens（09）, convex lens
（10）, F-P etalons（11）、ICCD（12）, pulse daley generator（13）, computer（14）, picosecond laser（15）, it is recessed
Mirror（16）, convex lens（17）, speculum（18）System and device.
4. the present invention relates to a kind of system and devices of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum, its main feature is that
Temperature-controlled glass sink（06）Temperature range is 0-40 DEG C, 0.1 DEG C of temperature accuracy, using high K9 type optical glass thoroughly.
5. the present invention relates to a kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum, feature：
Injection seeded pulse Nd;YAG laser（01）, repetition rate：10HZ, pulse width：8ns, single pulse energy：4J（532nm）,
Line width：90MHz；Picosecond laser（15）, wavelength：1064/532/355nm, pulsewidth：30ps, repetition rate：10Hz exports energy
Amount：1064nm（80mJ）、532nm（40mJ）、355nm（24mJ）.
6. the present invention relates to a kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum, feature：
ICCD（12）, most kissing gate is wide：2ns, Pixel Dimensions：12 μm, pixel number：1024x1024, transmission rate：5MHz, sensitivity：4-
300ADU/ photons；Pulse daley generator（13）, 4 channels, delay：0-1000 seconds adjustable, precision：2ps, rising edge：5ps.
Claims (6)
1. a kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum, including injection seeded pulse Nd;YAG
Laser（01）, polarization spectroscope（02）, quarter wave plate（03）, convex lens（04）, transient state ultrasonic grating（05）, temperature-controlled glass water
Slot（06）, ps Pulse Measurement instrument（07）, speculum（08）, concavees lens（09）, convex lens（10）, F-P etalons（11）、ICCD
（12）, pulse daley generator（13）, computer（14）, picosecond laser（15）, concavees lens（16）, convex lens（17）, reflection
Mirror（18）；It is characterized in that：The detailed process of above system device is injection seeded pulse Nd;YAG laser（01）Launch
Wavelength is the laser beam of 532nm, by polarization spectroscope（02）, polarization spectroscope is high to horizon light thoroughly, to orthogonal polarized light height
Instead, laser beam is using quarter wave plate（03）, convex lens（04）, focus on temperature-controlled glass sink（06）In, generation is excited cloth backward
In deep scattering spectrum, stimulated Brillouin scattering light passes sequentially through quarter wave plate（03）, polarization spectroscope（02）, speculum（08）, it is recessed
Lens（09）, convex lens（10）, F-P etalons（11）Afterwards, into ICCD signal acquiring systems（12）, the timing control dress of ICCD
It is pulse daley generator to set（13）, computer is shown in after signal processing analysis（14）On；Another beam optical path is picosecond laser
Device（15）Launch the detection light beam that wavelength is 532nm, by concavees lens（16）And convex lens（17）After being collimated, reflected
Mirror（18）It is reflected into transient state ultrasonic grating through Bragg angle（05）Position, the diffraction light of generation is by ps Pulse Measurement instrument（07）It adopts
Collection；By detection light distribution of the light beam by the difraction spectrum after transient state ultrasonic grating, the distribution of elastic strain of medium is obtained,
To analyze stimulated Brillouin scattering transient state ultrasonic grating structure and index distribution.
2. a kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum as described in claim 1, special
Sign is：Picosecond laser（15）The light beam launched is incident on stimulated Brillouin scattering transient state ultrasonic grating with Bragg angle
（05）In.
3. a kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum as described in claim 1, special
Sign is：Use injection seeded pulse Nd;YAG laser（01）, polarization spectroscope（02）, quarter wave plate（03）, convex lens
（04）, transient state ultrasonic grating（05）, temperature-controlled glass sink（06）, ps Pulse Measurement instrument（07）, speculum（08）, concavees lens
（09）, convex lens（10）, F-P etalons（11）、ICCD（12）, pulse daley generator（13）, computer（14）, picosecond laser
Device（15）, concavees lens（16）, convex lens（17）, speculum（18）System and device.
4. a kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum as described in claim 1, special
Sign is：Temperature-controlled glass sink（06）Temperature range is 0-40 DEG C, 0.1 DEG C of temperature accuracy, using high K9 type optical glass thoroughly.
5. a kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum as described in claim 1, special
Sign is：Injection seeded pulse Nd;YAG laser（01）, repetition rate：10HZ, pulse width：8ns, single pulse energy：4J
（532nm）, line width：90MHz；Picosecond laser（15）, wavelength：1064/532/355nm, pulsewidth：30ps, repetition rate：
10Hz exports energy：1064nm（80mJ）、532nm（40mJ）、355nm（24mJ）.
6. a kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum as described in claim 1, special
Sign is：ICCD（12）, most kissing gate is wide：2ns, Pixel Dimensions：12 μm, pixel number：1024x1024, transmission rate：5MHz is sensitive
Degree：4-300ADU/ photons；Pulse daley generator（13）For 4 channels, delay：0-1000 seconds adjustable, precision：2ps, rising edge：
5ps。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356576.XA CN108593106B (en) | 2018-04-19 | 2018-04-19 | System device for detecting stimulated Brillouin scattering transient ultrasonic grating spectrum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356576.XA CN108593106B (en) | 2018-04-19 | 2018-04-19 | System device for detecting stimulated Brillouin scattering transient ultrasonic grating spectrum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108593106A true CN108593106A (en) | 2018-09-28 |
| CN108593106B CN108593106B (en) | 2020-03-31 |
Family
ID=63613583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810356576.XA Expired - Fee Related CN108593106B (en) | 2018-04-19 | 2018-04-19 | System device for detecting stimulated Brillouin scattering transient ultrasonic grating spectrum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108593106B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443698A (en) * | 2018-10-12 | 2019-03-08 | 南昌航空大学 | A kind of system and device of direct imaging stimulated Brillouin scattering transient grating structure |
| CN109459415A (en) * | 2018-11-30 | 2019-03-12 | 中国工程物理研究院流体物理研究所 | A kind of Laser Transient optical-mechanical system that space periodic is continuously adjustable |
| CN109799192A (en) * | 2019-01-18 | 2019-05-24 | 广东工业大学 | A kind of non-contact laser ultrasonic nondestructive testing and method for arbitrary surface |
| CN110672566A (en) * | 2019-10-18 | 2020-01-10 | 南昌航空大学 | Method for detecting stimulated Brillouin scattering acoustic photonic crystal structure in water |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130104127A (en) * | 2012-03-13 | 2013-09-25 | 한국철도기술연구원 | Optical fiber sensor system based brillouin scattering, strain and temperature measuring method using the same |
| US20150377656A1 (en) * | 2013-03-29 | 2015-12-31 | Filippo Bastianini | Apparatus for interrogating distributed stimulated brillouin scattering optical fibre sensors using a quickly tuneable brillouin ring laser |
| CN106442414A (en) * | 2016-11-23 | 2017-02-22 | 南昌航空大学 | Device for conducting fast detection on water body petroleum pollutants based on Brillouin-Raman spectra and method thereof |
| US20170108358A1 (en) * | 2014-05-05 | 2017-04-20 | Filippo Bastianini | Apparatus for interrogating distributed optical fibre sensors using a stimulated brillouin scattering optical frequency-domain interferometer |
| CN107764741A (en) * | 2017-09-28 | 2018-03-06 | 南昌航空大学 | A kind of detection means for integrating stimulated Brillouin scattering and optical coherence elastogram |
-
2018
- 2018-04-19 CN CN201810356576.XA patent/CN108593106B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130104127A (en) * | 2012-03-13 | 2013-09-25 | 한국철도기술연구원 | Optical fiber sensor system based brillouin scattering, strain and temperature measuring method using the same |
| US20150377656A1 (en) * | 2013-03-29 | 2015-12-31 | Filippo Bastianini | Apparatus for interrogating distributed stimulated brillouin scattering optical fibre sensors using a quickly tuneable brillouin ring laser |
| US20170108358A1 (en) * | 2014-05-05 | 2017-04-20 | Filippo Bastianini | Apparatus for interrogating distributed optical fibre sensors using a stimulated brillouin scattering optical frequency-domain interferometer |
| CN106442414A (en) * | 2016-11-23 | 2017-02-22 | 南昌航空大学 | Device for conducting fast detection on water body petroleum pollutants based on Brillouin-Raman spectra and method thereof |
| CN107764741A (en) * | 2017-09-28 | 2018-03-06 | 南昌航空大学 | A kind of detection means for integrating stimulated Brillouin scattering and optical coherence elastogram |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443698A (en) * | 2018-10-12 | 2019-03-08 | 南昌航空大学 | A kind of system and device of direct imaging stimulated Brillouin scattering transient grating structure |
| CN109443698B (en) * | 2018-10-12 | 2020-09-11 | 南昌航空大学 | System device for directly imaging stimulated Brillouin scattering transient grating structure |
| CN109459415A (en) * | 2018-11-30 | 2019-03-12 | 中国工程物理研究院流体物理研究所 | A kind of Laser Transient optical-mechanical system that space periodic is continuously adjustable |
| CN109459415B (en) * | 2018-11-30 | 2021-06-15 | 中国工程物理研究院流体物理研究所 | Laser transient grating system with continuously adjustable space period |
| CN109799192A (en) * | 2019-01-18 | 2019-05-24 | 广东工业大学 | A kind of non-contact laser ultrasonic nondestructive testing and method for arbitrary surface |
| CN110672566A (en) * | 2019-10-18 | 2020-01-10 | 南昌航空大学 | Method for detecting stimulated Brillouin scattering acoustic photonic crystal structure in water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108593106B (en) | 2020-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108593106A (en) | A kind of system and device of detection stimulated Brillouin scattering transient state ultrasonic grating spectrum | |
| US6504612B2 (en) | Electromagnetic wave analyzer | |
| CN102175334B (en) | Pulse signal noise ratio (SNR) single shot measurement device based on anharmonic wave long wavelength sampling light | |
| CN106645033B (en) | The ultrafast diagnostic device of optical element laser damage integration | |
| CN101699265A (en) | Device and method for measuring scattering particles by using dynamic polarized light | |
| CN102313605B (en) | Method and device for measuring self-referenced spectral interference femtosecond laser pulse in real time | |
| CN104390935A (en) | Device and method for testing nonlinear polarization coefficient and absorption coefficient at terahertz band | |
| CN108885138A (en) | The measuring method for waveform and waveform meter of pulsed light | |
| CN101477047B (en) | Nonlinear absorption measuring method based on lens geometric optical imaging | |
| CN105699297B (en) | A kind of single-shot time material light Kerr coefficient measuring device | |
| CN113092437B (en) | Remote Raman spectrum detection module and remote detection spectrometer | |
| JP5628256B2 (en) | Flash photolysis system | |
| CN103063315A (en) | Once signal to noise ratio measuring method and device based on chirp pulse feature | |
| CN109632113A (en) | Contrast single-shot measuring device | |
| CN102192884B (en) | Method for imaging of samples by using polarization controllable terahertz waves | |
| CN105953929B (en) | A kind of single-shot subpulse width and energy measuring apparatus | |
| CN201622228U (en) | Dynamic polarized light scattered grain measuring device | |
| CN105675153B (en) | The radially measuring device and measurement method of group delay before heavy caliber ultrashort laser pulse | |
| CN102680404A (en) | Method and system for pumping detection | |
| CN102645408A (en) | Phase object Z-scan-based pump-probe method | |
| CN101799332B (en) | Ultra-short pulse diagnostic method based on molecular arrangement and orientation | |
| CN102636337A (en) | Method for measuring optical fiber dispersion | |
| Zhai et al. | Time-resolved single-shot terahertz time-domain spectroscopy for ultrafast irreversible processes | |
| CN101324503A (en) | Pumping detection method based on Z scan | |
| CN110530533A (en) | Quadravalence autocorrelation function analyzer for laser pulse contrast measurement |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |