CN207636487U - A kind of full angle polarization phase function measuring system - Google Patents
A kind of full angle polarization phase function measuring system Download PDFInfo
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- CN207636487U CN207636487U CN201721381750.3U CN201721381750U CN207636487U CN 207636487 U CN207636487 U CN 207636487U CN 201721381750 U CN201721381750 U CN 201721381750U CN 207636487 U CN207636487 U CN 207636487U
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- 230000010287 polarization Effects 0.000 title claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims abstract description 4
- 239000011358 absorbing material Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000000711 polarimetry Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of full angles to polarize phase function measuring system, including sample well units, incident light unit, outgoing light unit and optical detecting unit；The incidence light unit and outgoing light unit stretch into sample well units, the optical detecting unit is mounted on sample well units, sample well units are followed to rotate, the light that outgoing light unit is sent out imports in the sample water body in sample well units, transmitted light is exported by being emitted light unit, scattering light is received by optical detecting unit；Change detection angle and transmitted light path angle by rotating sample pool unit, obtains the scattered light intensity of different directions；Again by adjusting the polarization angle of incident light unit and optical detecting unit, the luminous intensity in detection different polarization direction.Polarimetry component is introduced in the present invention, improves system use scope；Use adjustable for height emergent light prism so that system can measure 0 180 ° of full angle scattering light.
Description
Technical field
The utility model is related to a kind of water body phase function measuring systems more particularly to a kind of full angle polarization phase function to measure
System.
Background technology
The intensity and polarization characteristic of water body phase function are particularly significant for the biochemical characteristic for studying water body.However, mesh
Preceding common water body phase function measuring system can not measure polarization；Simultaneously as the reason that sensor blocks, existing measurement
System can only measure the scattered light intensity close to 180 °, and can not accurately measure 180 ° of scattered light intensities.Therefore, a kind of energy is designed
The system that water body polarization phase function is measured in 0-180 ° of full angle is extremely important.
Utility model content
The utility model, which overcomes existing water body phase function measuring system, cannot measure 0 ° and 180 ° of region phase function characteristics
And the shortcomings that phase function polarization characteristic cannot be measured, a kind of full angle polarization phase function measuring system is provided.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of full angle is inclined
Shake phase function measuring system, including sample well units, incident light unit, outgoing light unit and optical detecting unit；The incident light
Unit and outgoing light unit stretch into sample well units, and the optical detecting unit is mounted on sample well units, follows sample cell list
Member rotation, the light that outgoing light unit is sent out import in the sample water body in sample well units, saturating by being emitted light unit export
Light is penetrated, scattering light is received by optical detecting unit；Change detection angle and transmitted light path angle by rotating sample pool unit, obtains
The scattered light intensity of different directions；Again by adjusting the polarization angle of incident light unit and optical detecting unit, different polarization is detected
The luminous intensity in direction；The light of the line and sample well units of the light incidence point of incident light unit and the light eye point of outgoing light unit
Axis is in the same plane；Light incidence point and the center of light eye point line are located in the rotary shaft of sample well units.
Further, the sample well units include stepper motor turntable, sample cell；The sample cell is arranged in stepping
On motor rotating table；There is sample cell optical window, optical detecting unit to be mounted on sample cell optics on the side wall of the sample cell
At window, the optical axis coincidence of the optical axis and sample cell optical window of optical detecting unit；Black light-absorbing material is coated with inside sample cell；
Sample cell optical window is transparent material.
Further, the incident light unit includes the laser being sequentially arranged in light path, the polarizer and incident light rib
Mirror；The axis of the polarizer and incident light prism is overlapped with the laser that laser emits.
Further, the incident light unit further includes the first optical path adjusting component, and the first optical path adjusting component includes swashing
Light device mounting bracket, supporting device, polarizing film, beam expander, the first diaphragm, the first speculum, Inclination maneuver frame, translation adjustment frame,
First rotation adjustment frame, the first height adjustment frame, support extension bar and the first extension bar；Laser mounting bracket is installed on supporting device
On；Laser is installed on above laser mounting bracket；Support extension bar is installed on supporting device；Polarizing film, expands the polarizer
Device, diaphragm pass sequentially through the first extension bar and are connected, their optical axis is overlapped with laser light path, by supporting extension bar branch after being connected
Support is on supporting device.Speculum is installed on the first extension bar end, and center is located in laser emitting light path, the mirror of speculum
Face is horizontal by 45 ° of angles；Inclination maneuver frame, translation adjustment frame, the first rotation adjustment frame, the first height adjustment frame are pacified successively
Loaded below speculum, their center is connected also on laser optical path, between them also by the first extension bar；Incident light rib
Mirror is installed below the first height adjustment frame.
Further, the incident light prism is column prism, and the upper surface of incident light prism is parallel with horizontal plane, incident
The lower surface of light prism is coated with semi-transparent semi-reflecting film horizontal by 45 ° of angles on the lower surface of incident light prism.
Further, the outgoing light unit includes emergent light prism and height adjusting apparatus；The emergent light prism and height
It spends adjusting apparatus to be connected, height of the emergent light prism in sample well units is adjusted by height adjusting apparatus.
Further, the outgoing light unit further includes the second optical path adjusting component；The second optical path adjusting component packet
Include the second rotation adjustment frame, the second height adjustment frame, the second speculum, light collector, the second extension bar；Second extension bar and height
Adjustment frame is connected, and light collector is installed on the second extension bar；Second speculum is installed on the second extension bar end；Second rotation is adjusted
Whole frame, the second height adjustment frame are installed on successively immediately below the second speculum, and emergent light prism is installed on the second height adjustment frame
On.
Further, the emergent light prism is column prism, and lower end is V-shape biplane, far from sample well units
Rotary shaft side outgoing prism lower surface on be coated with reflectance coating, the upper surface of emergent light prism is inclined-plane, plates anti-reflection film.
Further, the optical detecting unit includes analyzer, photodetector, lens；Analyzer, lens, photoelectricity are visited
Survey that device is coaxial successively is arranged on sample cell optical window, and coaxial with sample cell optical window；Photodetector is located at saturating
Mirror is in the image plane of the rotation imaging shaft of sample well units.
Further, the optical detecting unit further includes third optical path adjusting component, and third optical path adjusting component includes the
Two diaphragms and third extension bar；Second diaphragm is arranged between analyzer and lens, analyzer, the second diaphragm, lens, photodetection
Device is mounted on by third extension bar on sample cell optical window.
The utility model has the beneficial effects that：Polarimetry component is introduced in phase function measuring system, improves system
Use scope；Incident light prism using semi-transparent semi-reflecting lens replace traditional speculum, therefore system can measure existing method without
180 ° of scattering light that method receives；Meanwhile using adjustable for height emergent light prism so that system can measure 0-180 ° of full angle
Scatter light.
Description of the drawings
Fig. 1 (a) is the light path principle front view of the utility model embodiment；Fig. 1 (b) is the light of the utility model embodiment
Road principle vertical view；
Fig. 2 is the overall structure front view of the utility model embodiment；
Fig. 3 is 45 ° of views of overall structure of the utility model embodiment；
Fig. 4 is the sample well units front view of the utility model embodiment；
Fig. 5 is 45 ° of views of sample well units of the utility model embodiment；
Fig. 6 is the incident light unit front view of the utility model embodiment；
Fig. 7 is 45 ° of views of incident light unit of the utility model embodiment；
Fig. 8 (a) is the front view of the incident light prism of the utility model embodiment, and Fig. 8 (b) is the utility model embodiment
Incident light prism shaft side figure；
Fig. 9 is the outgoing light unit front view of the utility model embodiment；
Figure 10 (a) is the front view of the emergent light prism of the utility model embodiment, and Figure 10 (b) is that the utility model is implemented
The upward view of the emergent light prism of example；
Figure 11 is the optical detecting unit front view of the utility model embodiment；
Figure 12 is 45 ° of views of optical detecting unit of the utility model embodiment；
In figure：Sample well units 1, incident light unit 2, outgoing light unit 3, optical detecting unit 4, stepper motor turntable
101, mounting base 102, sample cell 103, laser 201, the polarizer 202, incident light prism 203, emergent light prism 301, height
Adjusting apparatus 302, analyzer 401, photodetector 402, lens 403, laser mounting bracket 501, supporting device 502, polarizing film
503, beam expander 504, the first diaphragm 505, the first speculum 506, Inclination maneuver frame 507, translation adjustment frame 508, first rotate
Adjustment frame 509, the first height adjustment frame 510, support extension bar 511, second rotate adjustment frame 601, the second height adjustment frame 602,
Second speculum 603, light collector 604, the second extension bar 605, second diaphragm 701, third extension bar 702, incident light prism
Upper surface 2031, incident light prism lower surface 2032, be emitted the lower surface 3011 of prism, emergent light prism upper surface
3012。
Specific implementation mode
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
As shown in Fig. 1 (a), Fig. 1 (b), Fig. 2 and Fig. 3, the utility model provides a kind of full angle polarization phase function measurement system
System, including sample well units 1, incident light unit 2, outgoing light unit 3 and optical detecting unit 4；The incidence light unit 2 and outgoing
Light unit 3 stretches into sample well units 1, and the optical detecting unit 4 is mounted on sample well units 1, follows 1 turn of sample well units
Dynamic, the light that outgoing light unit 3 is sent out imports in the sample water body in sample well units 1, by being emitted the export transmission of light unit 3
Light, scattering light are received by optical detecting unit 4；Change detection angle and transmitted light path angle by rotating sample pool unit 1, obtains
The scattered light intensity of different directions；Again by adjusting the polarization angle of incident light unit 2 and optical detecting unit 4, difference is detected partially
It shakes the luminous intensity in direction；The line of light incidence point and light eye point and sample cell optical axis are in the same plane；Light incidence point and light
The center of eye point line is located in the rotary shaft of sample cell.
As illustrated in figures 4-5, the sample well units 1 include stepper motor turntable 101, mounting base 102 and sample cell
103；The mounting base 102 is fixed on 101 top of stepper motor turntable, and center is located at stepper motor turntable rotary shaft
On；Sample cell 103 is fixed on 102 top of mounting base, and central shaft rotates overlapping of axles with stepper motor turntable 101；Sample cell
Optical window 104 is located at the side wall of sample cell 103, and optical axis intersects with the rotary shaft of stepper motor turntable 101；Sample cell
Black light-absorbing material is coated with inside 103；Sample cell optical window 104 is transparent material；When system works, stepper motor turntable
101 drive sample cell 103 and optical detecting unit 12 to rotate, and full angle detects scattered light intensity.
As shown in fig. 6-7, the incident light unit 2 includes laser 201, the polarizer 202, incident light prism 203 and the
One optical path adjusting device group；The polarizer 202 is located at 201 front of laser, and coaxial with laser, polarization direction is adjustable；
203 central shaft of incident light prism emits laser with laser 201 and overlaps；
In the utility model embodiment, the first optical path adjusting component include laser mounting bracket 501, supporting device 502,
Polarizing film 503, beam expander 504, the first diaphragm 505, the first speculum 506, Inclination maneuver frame 507, translation adjustment frame 508, the
One rotation adjustment frame 509, the first height adjustment frame 510, support extension bar 511 and the first extension bar, common guarantee beam path alignment.Support
Device 502 is installed on the pedestal of system；Laser mounting bracket 501 is installed on supporting device 502；Laser 201 is installed on
501 top of laser mounting bracket；Support extension bar 511 is installed on supporting device 502；Polarizing film 503, the polarizer 202, beam expander
504, diaphragm 505 passes sequentially through the first extension bar and is connected, their optical axis is overlapped with 501 light path of laser, passes through branch after being connected
Support extension bar 511 is supported on supporting device 502.Speculum 506 is installed on 512 end of the first extension bar, and center is located at laser
On 501 emitting light paths, the minute surface of speculum 506 is horizontal by 45 ° of angles；Inclination maneuver frame 507, translation adjustment frame 508, the
One rotation adjustment frame 509, the first height adjustment frame 510 is installed on 506 lower section of speculum successively, by speculum 506, they
Center is connected also on laser optical path, between them also by the first extension bar；Incident light prism 203 is installed on the first height and adjusts
510 lower section of whole frame.As shown in Fig. 8 (a) and Fig. 8 (b), the incident light prism 203 is column prism, incident light prism it is upper
Surface 2031 is parallel with horizontal plane, and the lower surface 2032 of incident light prism is coated with semi-transparent semi-reflecting film horizontal by 45 ° of angles.
As shown in figure 9, the outgoing light unit 3 includes emergent light prism 301, height adjusting apparatus 302 and the second light path tune
Save component；
In the utility model embodiment, the second optical path adjusting component includes that second the 601, second height of rotation adjustment frame adjusts
Frame 602, the second speculum 603, light collector 604, the second extension bar 605；Second extension bar 605 and 302 phase of height adjustment frame
Even, light collector 604 is installed on the second extension bar 605；Second speculum 603 is installed on 605 end of the second extension bar；Second
Rotation adjustment frame 601, the second height adjustment frame 602 are installed on successively immediately below the second speculum 603, and center is in same straight line
On, emergent light prism 301 is installed on the second height adjustment frame 602；Height adjusting apparatus 302 drive the second optical path adjusting component with
Emergent light prism 301 moves up and down；When 0 ° of systematic survey nearby scatters, height adjusting apparatus 302 raises emergent light prism 301
The top of laser optical path is sent out to incident light prism 203；When systematic survey other angles scatter, height adjusting apparatus 302 will be emitted
The outgoing luminous point of light prism 301 is placed on laser optical path.
As shown in Figure 10 (a) and Figure 10 (b), the emergent light prism 301 is column prism, and lower end is that " V " font is double
Plane, the lower surface 3011 far from 103 rotary shaft side emergent light prism of sample cell are coated with reflectance coating.The upper table of emergent light prism
Face 3012 is inclined-plane, plates anti-reflection film.
The line of the light incidence point of incident light prism 203 and the light eye point of emergent light prism 301 and sample cell optical window
The optical axis of mouth 7 is in the same plane；The light incidence point of incident light prism 203 and the light eye point line of emergent light prism 301
Center is located in the rotary shaft of sample cell 103.
As depicted in figs. 11-12, the optical detecting unit 4 includes analyzer 401, photodetector 402, lens 403 and the
Three optical path adjusting components；
In the utility model embodiment, third optical path adjusting component includes the second diaphragm 701 and third extension bar 702；
Analyzer 401, the second diaphragm 701, lens 403, the coaxial arrangement successively of photodetector 402, pass through third extension bar
702 are fixed on sample cell optical window 104, and coaxial with sample cell optical window 104；Analyzer 401 receives specific inclined
Shake the scattering light in direction, and polarization direction is adjustable；Photodetector 402 is located at lens 403 and rotates imaging shaft to sample cell 103
Image plane on.
When system works, by the angle in 0-180 ° of adjustment stepper motor turntable 101, change detection angle；Every
The angle of polarization of a angular adjustment polarizer 202 and analyzer 401 receives light intensity using photodetector 402；Photodetector
402 gained light intensity datas and detection angle are received by PC machine, by being corrected from correction algorithm in conjunction with angular characteristics in PC machine
Influence of the change in optical path length to luminous intensity measurement is nearby transmitted in the 180 ° of influences and 0 ° of semi-transparent semi-reflecting lens 28 to luminous intensity measurement nearby；Knot
Jones matrix characteristic is closed, the final full angle for obtaining water body polarizes phase function.
Claims (10)
1. a kind of full angle polarizes phase function measuring system, which is characterized in that including sample well units（1）, incident light unit
（2）, outgoing light unit（3）With optical detecting unit（4）；The incidence light unit（2）With outgoing light unit（3）Stretch into sample cell list
Member（1）, the optical detecting unit（4）Mounted on sample well units（1）On, follow sample well units（1）Rotation is emitted light unit
（3）The light sent out imports sample well units（1）In sample water body in, pass through be emitted light unit（3）Export transmitted light, scattering
Light is by optical detecting unit（4）It receives；Pass through rotating sample pool unit（1）Change detection angle and transmitted light path angle, obtains not
Equidirectional scattered light intensity；Again by adjusting incident light unit（2）With optical detecting unit（4）Polarization angle, detection is different
The luminous intensity of polarization direction；Incident light unit（2）Light incidence point and outgoing light unit（3）Light eye point line and sample
Pool unit（1）Optical axis in the same plane；Light incidence point and the center of light eye point line are located at sample well units（1）Rotation
In shaft.
2. full angle according to claim 1 polarizes phase function measuring system, which is characterized in that the sample well units
（1）Including stepper motor turntable（101）, sample cell（103）；The sample cell（103）It is arranged in stepper motor turntable
（101）On；The sample cell（103）Side wall on have sample cell optical window（104）, optical detecting unit（4）Mounted on sample
Product pond optical window（104）Place, optical detecting unit（4）Optical axis and sample cell optical window（104）Optical axis coincidence；Sample cell
（103）Inside is coated with black light-absorbing material；Sample cell optical window（104）For transparent material.
3. full angle according to claim 1 polarizes phase function measuring system, which is characterized in that the incidence light unit
（2）It include the laser being sequentially arranged in light path（201）, the polarizer（202）With incident light prism（203）；The polarizer（202）
With incident light prism（203）Axis and laser（201）The laser of transmitting overlaps.
4. full angle according to claim 3 polarizes phase function measuring system, which is characterized in that the incidence light unit
（2）Further include the first optical path adjusting component, the first optical path adjusting component includes laser mounting bracket（501）, supporting device
（502）, polarizing film（503）, beam expander（504）, the first diaphragm（505）, the first speculum（506）, Inclination maneuver frame（507）、
Translate adjustment frame（508）, first rotation adjustment frame（509）, the first height adjustment frame（510）, support extension bar（511）It is connect with first
Bar；Laser mounting bracket（501）It is installed on supporting device（502）On；Laser（201）It is installed on laser mounting bracket（501）
Top；Support extension bar（511）It is installed on supporting device（502）On；Polarizing film（503）, the polarizer（202）, beam expander（504）、
Diaphragm（505）It passes sequentially through the first extension bar to be connected, their optical axis is and laser（201）Light path overlaps, and passes through branch after being connected
Support extension bar（511）It is supported on supporting device（502）On；Speculum（506）It is installed on the first extension bar（512）End, centre bit
In laser（201）On emitting light path, speculum（506）Minute surface horizontal by 45 ° of angles；Inclination maneuver frame（507）, it is flat
Move adjustment frame（508）, first rotation adjustment frame（509）, the first height adjustment frame（510）It is installed on speculum successively（506）Under
Side, their center are connected also on laser optical path, between them also by the first extension bar；Incident light prism（203）Installation
In the first height adjustment frame（510）Lower section.
5. full angle according to claim 3 or 4 polarizes phase function measuring system, which is characterized in that the incident light rib
Mirror（203）For column prism, the upper surface of incident light prism（2031）It is parallel with horizontal plane, the lower surface of incident light prism
（2032）Horizontal by 45 ° of angles, the lower surface of incident light prism（2032）On be coated with semi-transparent semi-reflecting film.
6. full angle according to claim 1 polarizes phase function measuring system, which is characterized in that the outgoing light unit
（3）Including emergent light prism（301）With height adjusting apparatus（302）；The emergent light prism（301）With height adjusting apparatus（302）
It is connected, passes through height adjusting apparatus（302）Adjust emergent light prism（301）In sample well units（1）In height.
7. full angle according to claim 6 polarizes phase function measuring system, which is characterized in that the outgoing light unit
（3）It further include the second optical path adjusting component；The second optical path adjusting component includes the second rotation adjustment frame（601）, it is second high
Spend adjustment frame（602）, the second speculum（603）, light collector（604）, the second extension bar（605）；Second extension bar（605）With height
Spend adjusting apparatus（302）It is connected, light collector（604）It is installed on the second extension bar（605）On；Second speculum（603）It is installed on
Second extension bar（605）End；Second rotation adjustment frame（601）, the second height adjustment frame（602）It is installed on the second speculum successively
（603）Underface, emergent light prism（301）It is installed on the second height adjustment frame（602）On.
8. the full angle described according to claim 6 or 7 polarizes phase function measuring system, which is characterized in that the emergent light rib
Mirror（301）For column prism, lower end is V-shape biplane, far from sample well units（1）Rotary shaft side outgoing prism
Lower surface（3011）On be coated with reflectance coating, the upper surface of emergent light prism（3012）For inclined-plane, anti-reflection film is plated.
9. full angle according to claim 1 polarizes phase function measuring system, which is characterized in that the optical detecting unit
（4）Including analyzer（401）, photodetector（402）, lens（403）；Analyzer（401）, lens（403）, photodetector
（402）It is coaxial successively to be arranged in sample cell optical window（104）On, and with sample cell optical window（104）It is coaxial；Photoelectricity is visited
Survey device（402）Positioned at lens（403）To sample well units（1）Rotation imaging shaft image plane on.
10. full angle according to claim 9 polarizes phase function measuring system, which is characterized in that the optical detecting unit
（4）Further include third optical path adjusting component, third optical path adjusting component includes the second diaphragm（701）With third extension bar（702）；The
Two diaphragms（701）It is arranged in analyzer（401）And lens（403）Between, analyzer（401）, the second diaphragm（701）, lens
（403）, photodetector（402）Pass through third extension bar（702）Mounted on sample cell optical window（104）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721381750.3U CN207636487U (en) | 2017-10-25 | 2017-10-25 | A kind of full angle polarization phase function measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721381750.3U CN207636487U (en) | 2017-10-25 | 2017-10-25 | A kind of full angle polarization phase function measuring system |
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| Publication Number | Publication Date |
|---|---|
| CN207636487U true CN207636487U (en) | 2018-07-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589095A (en) * | 2017-10-25 | 2018-01-16 | 国家海洋局第二海洋研究所 | Full angle polarizes phase function measuring system |
| CN114674760A (en) * | 2022-05-30 | 2022-06-28 | 中国科学院海洋研究所 | Symmetrical ocean planktonic algae polarization scattering multi-angle measuring instrument and its measuring method |
-
2017
- 2017-10-25 CN CN201721381750.3U patent/CN207636487U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589095A (en) * | 2017-10-25 | 2018-01-16 | 国家海洋局第二海洋研究所 | Full angle polarizes phase function measuring system |
| CN114674760A (en) * | 2022-05-30 | 2022-06-28 | 中国科学院海洋研究所 | Symmetrical ocean planktonic algae polarization scattering multi-angle measuring instrument and its measuring method |
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