CN108387366A - A kind of system and device for measuring Gaussian beam and transmitting the angle of divergence in water - Google Patents

A kind of system and device for measuring Gaussian beam and transmitting the angle of divergence in water Download PDF

Info

Publication number
CN108387366A
CN108387366A CN201810356580.6A CN201810356580A CN108387366A CN 108387366 A CN108387366 A CN 108387366A CN 201810356580 A CN201810356580 A CN 201810356580A CN 108387366 A CN108387366 A CN 108387366A
Authority
CN
China
Prior art keywords
optical glass
meters
divergence
angle
water
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
Application number
CN201810356580.6A
Other languages
Chinese (zh)
Other versions
CN108387366B (en
Inventor
史久林
袁大鹏
许锦
刘严欢
罗宁宁
何兴道
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanchang Hangkong University
Original Assignee
Nanchang Hangkong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanchang Hangkong University filed Critical Nanchang Hangkong University
Priority to CN201810356580.6A priority Critical patent/CN108387366B/en
Publication of CN108387366A publication Critical patent/CN108387366A/en
Application granted granted Critical
Publication of CN108387366B publication Critical patent/CN108387366B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for

Abstract

The invention discloses the system and devices that a kind of measurement Gaussian beam transmits the angle of divergence in water.The device includes injection seeded formula solid pulse laser, pvc pipe, 3.5% salinity seawater, high transmissive optical glass, speculum(12、13、14), beam quality analysis instrument.Injection seeded formula solid pulse laser, launch the laser that wavelength is 532nm, unpolarized light beam quality is measured with beam quality analyzer, then light beam enters pvc pipe through excessively high transmissive optical glass, mobile mirror can propagate the beam quality factor M after 5 meters to 45 meters distances under water with measuring beam2And beam divergence angle.It is an advantage of the invention that:Simulate true underwater environment, the beam characteristics that more acurrate more efficient measurement Gaussian beam is propagated under water.

Description

A kind of system and device for measuring Gaussian beam and transmitting the angle of divergence in water
Technical field
The present invention relates to a kind of system and device, specially a kind of system dress for measuring Gaussian beam and transmitting the angle of divergence in water It sets.
Background technology
The present invention is mainly existed by beam quality analysis instrument to measure Gaussian beam as a kind of measuring system device The angle of divergence after being transmitted in water.Invention thought is that seawater is Complex Ecological Systems, when light beam enters in water, can decay and Diverging is different from propagation law in air, therefore the research of the underwater propagation characteristic rule of Gaussian beam is for underwater laser Target acquisition has great importance.This system device can simulate true underwater environment, can be with more acurrate more efficient survey The beam characteristics that amount Gaussian beam is propagated under water.
Invention content
The purpose of the present invention is to provide the system and device that a kind of measurement Gaussian beam transmits the angle of divergence in water, simulation is true Real underwater environment, the beam characteristics that more acurrate more efficient measurement Gaussian beam is propagated under water.
The technical solution adopted by the present invention is as follows:A kind of system and device for measuring Gaussian beam and transmitting the angle of divergence in water, Including injection seeded formula solid pulse laser(01), pvc pipe(17), 3.5% salinity seawater, high transmissive optical glass(03), reflection Mirror(12), beam quality analysis instrument(15)., it is characterised in that:Injection seeded formula solid pulse laser(01)Launch wavelength For the laser of 532nm, with beam quality analyzer(15)Unpolarized light beam quality is measured, light beam is through excessively high transmissive optical glass(02) Into pvc pipe(17), mobile mirror(12), make speculum(12)5 outlet ports meter Chu are parked in into 45 degree of angles, light beam is in water Pass through high pass optical glass after 5 meters of transmission(03), it is reflected into beam quality analysis instrument(15)On, measuring beam transmits 5 in water The angle of divergence after rice, and compared with unpolarized light beam quality;Continue to move to speculum(12)It is set to be parked in 10 meters of light exits Position, and the measuring beam angle of divergence, then it is made to be moved respectively to 15 meters, after 20 meters of position measuring beam angles of divergence, speculum (12)It is moved to pvc pipe(17)End makes light beam be irradiated to speculum(14)On, continue to move to speculum(13), make light beam point Not from glass window(7、8、9、10、11)It is reflected into beam quality analysis instrument(15)On, it measures Gaussian beam and passes through 25 in water Rice, 30 meters, 35 meters, 40 meters, the beam divergence angle after 45 meters.
Pvc pipe(17)Diameter 10cm, optical glass(02)Entrance is to optical glass(03)It is 5 meters to export light path;Optics glass Glass(02)Entrance is to optical glass(04)It is 10 meters to export light path;Optical glass(02)Entrance is to optical glass(05)Export light path It is 15 meters;Optical glass(02)Entrance is to optical glass(06)It is 20 meters to export light path;Optical glass(02)Entrance is to optics glass Glass(07)It is 25 meters to export light path;Optical glass(02)Entrance is to optical glass(08)It is 30 meters to export light path;Optical glass (02)Entrance is to optical glass(09)It is 35 meters to export light path;Optical glass(02)Entrance is to optical glass(10)Exporting light path is 40 meters;Optical glass(02)Entrance is to optical glass(11)It is 45 meters to export light path.
Use injection seeded formula solid pulse laser(01), pvc pipe(17), 3.5% salinity seawater, high transmissive optical glass Glass(02、03、04、05、06、07、08、09、10、11), speculum, beam quality analysis instrument(15)System and device.
High transmissive optical glass(02、03、04、05、06、07、08、09、10、11)Light transmittance >=99%.
Beam quality analysis instrument(15)For THORLABS companies BC106-UV models, computer uses Thorlabs Beam 4.0 software.
It is an advantage of the invention that:True underwater environment is simulated, more acurrate more efficient measurement Gaussian beam is propagated under water Beam characteristics.
Description of the drawings
Fig. 1 is the system construction drawing of the present invention.
Shown in Fig. 1:Injection seeded formula solid pulse laser(01), high transmissive optical glass(02、03、04、05、06、07、 08、09、10、11), movable mirror(12、13), speculum(14), beam quality analysis instrument(15), display(16), PVC Pipe(17), movable mirror card slot(18、19).It is characterized in that pvc pipe(17)Diameter 10cm, optical glass(02)Entrance arrives Optical glass(03)It is 5 meters to export light path;Optical glass(02)Entrance is to optical glass(04)It is 10 meters to export light path;Optics glass Glass(02)Entrance is to optical glass(05)It is 15 meters to export light path;Optical glass(02)Entrance is to optical glass(06)Export light path It is 20 meters;Optical glass(02)Entrance is to optical glass(07)It is 25 meters to export light path;Optical glass(02)Entrance is to optics glass Glass(08)It is 30 meters to export light path;Optical glass(02)Entrance is to optical glass(09)It is 35 meters to export light path;Optical glass (02)Entrance is to optical glass(10)It is 40 meters to export light path;Optical glass(02)Entrance is to optical glass(11)Exporting light path is 45 meters;Incident light passes through optical glass respectively(02、03、04、05、06、07、08、09、10、11)After speculum, light beam is reached Mass-synchrometer obtains beam divergence angle.
Specific implementation mode
1. injection seeded formula solid pulse laser(01)Launch the laser that wavelength is 532nm, uses beam quality analysis Instrument(15)Unpolarized light beam quality is measured, light beam is through excessively high transmissive optical glass(02)Into pvc pipe(17), mobile mirror (12), make speculum(12)5 outlet ports meter Chu are parked in into 45 degree of angles, light beam transmit 5 meters in water after by high pass optics glass Glass(03), it is reflected into beam quality analysis instrument(15)On, measuring beam transmits the angle of divergence after 5 meters, and and incident light in water Beam quality is compared.Then move on speculum(12)It is set to be parked in 10 meters of light exit positions, and measuring beam dissipates Angle, then it is made to be moved respectively to 15 meters, after 20 meters of position measuring beam angles of divergence, speculum(12)It is moved to pvc pipe(17)End End, makes light beam be irradiated to speculum(14)On, continue to move to speculum(13), make light beam respectively from glass window(7、8、9、10、 11)It is reflected into beam quality analysis instrument(15)On, it measures Gaussian beam and passes through 25 meters, 30 meters, 35 meters, 40 meters, 45 meters in water Beam divergence angle afterwards.
2. the present invention relates to the system and devices that a kind of measurement Gaussian beam transmits the angle of divergence in water, its main feature is that pvc pipe (17)Diameter 10cm, optical glass(02)Entrance is to optical glass(03)It is 5 meters to export light path;Optical glass(02)Entrance is to light Learn glass(04)It is 10 meters to export light path;Optical glass(02)Entrance is to optical glass(05)It is 15 meters to export light path;Optics glass Glass(02)Entrance is to optical glass(06)It is 20 meters to export light path;Optical glass(02)Entrance is to optical glass(07)Export light path It is 25 meters;Optical glass(02)Entrance is to optical glass(08)It is 30 meters to export light path;Optical glass(02)Entrance is to optics glass Glass(09)It is 35 meters to export light path;Optical glass(02)Entrance is to optical glass(10)It is 40 meters to export light path;Optical glass (02)Entrance is to optical glass(11)It is 45 meters to export light path.
3. the present invention relates to a kind of measurement Gaussian beams to transmit the system and device of the angle of divergence in water, its main feature is that using Injection seeded formula solid pulse laser(01), pvc pipe(17), 3.5% salinity seawater, high transmissive optical glass(02、03、04、05、 06、07、08、09、10、11), speculum, beam quality analysis instrument(15)System and device.
4. the present invention relates to the system and devices that a kind of measurement Gaussian beam transmits the angle of divergence in water, its main feature is that high light transmission Learn glass(02、03、04、05、06、07、08、09、10、11)Light transmittance >=99%.
5. the present invention relates to the system and devices that a kind of measurement Gaussian beam transmits the angle of divergence in water, its main feature is that light beam matter Measure analyzer(15)For THORLABS companies BC106-UV models, computer uses 4.0 softwares of Thorlabs Beam.

Claims (5)

1. a kind of system and device for measuring Gaussian beam and transmitting the angle of divergence in water, including injection seeded formula solid pulse laser (01), pvc pipe(17), 3.5% salinity seawater, high transmissive optical glass(03), speculum(12), beam quality analysis instrument(15), It is characterized in that:Injection seeded formula solid pulse laser(01)Launch the laser that wavelength is 532nm, with beam quality analyzer (15)Unpolarized light beam quality is measured, light beam is through excessively high transmissive optical glass(02)Into pvc pipe(17), mobile mirror(12), Make speculum(12)5 outlet ports meter Chu are parked in into 45 degree of angles, light beam transmit 5 meters in water after by high pass optical glass (03), it is reflected into beam quality analysis instrument(15)On, measuring beam transmits the angle of divergence after 5 meters in water, and with incident light light Beam quality is compared;Continue to move to speculum(12)So that it is parked in 10 meters of light exit positions, and the measuring beam angle of divergence, then makes It is moved respectively to 15 meters, after 20 meters of position measuring beam angles of divergence, speculum(12)It is moved to pvc pipe(17)End makes light Beam is irradiated to speculum(14)On, continue to move to speculum(13), make light beam respectively from glass window(7、8、9、10、11)Reflection To beam quality analysis instrument(15)On, measure the Gaussian beam light beam after 25 meters, 30 meters, 35 meters, 40 meters, 45 meters in water The angle of divergence.
2. a kind of system and device for measuring Gaussian beam and transmitting the angle of divergence in water as described in claim 1, it is characterised in that: Pvc pipe(17)Diameter 10cm, optical glass(02)Entrance is to optical glass(03)It is 5 meters to export light path;Optical glass(02)Enter Mouth arrives optical glass(04)It is 10 meters to export light path;Optical glass(02)Entrance is to optical glass(05)It is 15 meters to export light path; Optical glass(02)Entrance is to optical glass(06)It is 20 meters to export light path;Optical glass(02)Entrance is to optical glass(07)Go out Mouth light path is 25 meters;Optical glass(02)Entrance is to optical glass(08)It is 30 meters to export light path;Optical glass(02)Entrance arrives Optical glass(09)It is 35 meters to export light path;Optical glass(02)Entrance is to optical glass(10)It is 40 meters to export light path;Optics Glass(02)Entrance is to optical glass(11)It is 45 meters to export light path.
3. a kind of system and device for measuring Gaussian beam and transmitting the angle of divergence in water as described in claim 1, it is characterised in that Use injection seeded formula solid pulse laser(01), pvc pipe(17), 3.5% salinity seawater, high transmissive optical glass(02、03、 04、05、06、07、08、09、10、11), speculum, beam quality analysis instrument(15)System and device.
4. a kind of system and device for measuring Gaussian beam and transmitting the angle of divergence in water as described in claim 1, it is characterised in that High transmissive optical glass(02、03、04、05、06、07、08、09、10、11)Light transmittance >=99%.
5. a kind of system and device for measuring Gaussian beam and transmitting the angle of divergence in water as described in claim 1, it is characterised in that Beam quality analysis instrument(15)For THORLABS companies BC106-UV models, computer uses 4.0 softwares of Thorlabs Beam.
CN201810356580.6A 2018-04-19 2018-04-19 System device and method for measuring transmission divergence angle of Gaussian beam in water Expired - Fee Related CN108387366B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810356580.6A CN108387366B (en) 2018-04-19 2018-04-19 System device and method for measuring transmission divergence angle of Gaussian beam in water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810356580.6A CN108387366B (en) 2018-04-19 2018-04-19 System device and method for measuring transmission divergence angle of Gaussian beam in water

Publications (2)

Publication Number Publication Date
CN108387366A true CN108387366A (en) 2018-08-10
CN108387366B CN108387366B (en) 2020-06-02

Family

ID=63065639

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810356580.6A Expired - Fee Related CN108387366B (en) 2018-04-19 2018-04-19 System device and method for measuring transmission divergence angle of Gaussian beam in water

Country Status (1)

Country Link
CN (1) CN108387366B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0862041A (en) * 1994-08-26 1996-03-08 Nec Corp Method and apparatus for measuring spectrum
CN104359564A (en) * 2014-11-19 2015-02-18 湖北三江航天红峰控制有限公司 Pulse laser beam quality synchronous measuring system and synchronous control method thereof
CN104764591A (en) * 2015-03-23 2015-07-08 深圳市创鑫激光股份有限公司 Method and device for measuring laser divergence angle
CN205843930U (en) * 2016-05-26 2016-12-28 西安工程大学 A kind of apparatus for measuring quality of laser beam
CN106679940A (en) * 2016-12-06 2017-05-17 西南技术物理研究所 High-precision laser divergence angle parameter calibration device
CN206891696U (en) * 2017-07-17 2018-01-16 湖北久之洋红外系统股份有限公司 A kind of laser beam divergence device for quick testing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0862041A (en) * 1994-08-26 1996-03-08 Nec Corp Method and apparatus for measuring spectrum
CN104359564A (en) * 2014-11-19 2015-02-18 湖北三江航天红峰控制有限公司 Pulse laser beam quality synchronous measuring system and synchronous control method thereof
CN104764591A (en) * 2015-03-23 2015-07-08 深圳市创鑫激光股份有限公司 Method and device for measuring laser divergence angle
CN205843930U (en) * 2016-05-26 2016-12-28 西安工程大学 A kind of apparatus for measuring quality of laser beam
CN106679940A (en) * 2016-12-06 2017-05-17 西南技术物理研究所 High-precision laser divergence angle parameter calibration device
CN206891696U (en) * 2017-07-17 2018-01-16 湖北久之洋红外系统股份有限公司 A kind of laser beam divergence device for quick testing

Also Published As

Publication number Publication date
CN108387366B (en) 2020-06-02

Similar Documents

Publication Publication Date Title
CN101980056B (en) Method and device for determining atmospheric turbulence parameter based on M<2> factor and light scintillation index
CN104808208B (en) Measurement system and method for detecting orientation and size of underwater target on basis of laser sound source
CN102735633B (en) Light path online calibration type cavity enhanced atmosphere trace gas detection system
CN101922974B (en) Automatic calibration device and method for laser parameter performance test
CN101699265A (en) Device and method for measuring scattering particles by using dynamic polarized light
CN201194005Y (en) Multi-source chromatography laser measurement device for flue gas, particle concentration and temperature distribution
CN105510250A (en) Water body light absorption and attenuation coefficients measurement method
CN106442428B (en) Optical fiber type measuring method for visibility based on multiple reflections
CN105424653A (en) Fruit pulp tissue optical property detection system and method adopting integrated fiber-optics probe
CN103674488A (en) Device for measuring divergence angle and light spot pattern of laser device
CN106769736A (en) A kind of powder concentration measurement system
CN101794506B (en) Method and device used for data calibration in distributed type optical fiber temperature sensor
CN105352903A (en) Water-body light absorption and attenuation measuring instrument
CN208076382U (en) Water body multi-wavelength optical attenuation coefficient measuring device
CN104502292A (en) Light path system of trace gas sensor and air chamber
CN202869779U (en) Device for measuring divergence angle and light spot pattern of laser
CN102252828B (en) Method for monitoring real-time changes in reflectivity of highly reflective optical element under laser irradiation
CN202177572U (en) Spectral measuring system for multi-component gas
CN204302180U (en) A kind of trace-gas sensors light path system and air chamber
CN102042876B (en) Remote online spectrum detection system
CN108387366A (en) A kind of system and device for measuring Gaussian beam and transmitting the angle of divergence in water
CN103398975B (en) The measurement mechanism of optical glass refractive index and measuring method thereof
CN103163090B (en) Concentration detection system used for polonium aerosol inside reactor workshop
CN102538688A (en) Infrared broadband transmission type plastic film thickness measuring device and infrared broadband transmission type plastic film thickness measuring method
CN103105283B (en) Focal distance measuring device of single-spectrum large-diameter long-focus lens

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: 20200602

CF01 Termination of patent right due to non-payment of annual fee