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 PDFInfo
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- 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
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- optical glass
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- divergence
- angle
- water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing 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
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.
Priority Applications (1)
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CN201810356580.6A CN108387366B (en) | 2018-04-19 | 2018-04-19 | System device and method for measuring transmission divergence angle of Gaussian beam in water |
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CN201810356580.6A CN108387366B (en) | 2018-04-19 | 2018-04-19 | System device and method for measuring transmission divergence angle of Gaussian beam in water |
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CN108387366A true CN108387366A (en) | 2018-08-10 |
CN108387366B CN108387366B (en) | 2020-06-02 |
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Citations (6)
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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 |
-
2018
- 2018-04-19 CN CN201810356580.6A patent/CN108387366B/en not_active Expired - Fee Related
Patent Citations (6)
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 |
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