CN203631036U - Polarized-light experimental instrument - Google Patents
Polarized-light experimental instrument Download PDFInfo
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- CN203631036U CN203631036U CN201320782833.9U CN201320782833U CN203631036U CN 203631036 U CN203631036 U CN 203631036U CN 201320782833 U CN201320782833 U CN 201320782833U CN 203631036 U CN203631036 U CN 203631036U
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- analyzer
- light
- polarization
- light tool
- experimental apparatus
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- 230000010287 polarization Effects 0.000 claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 206010038743 Restlessness Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 241000220225 Malus Species 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
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Abstract
The utility model relates to the field of experimental instruments, and especially relates to a polarized-light experimental instrument. The experimental instrument comprises a light tool guide rail (1) which is provided with at least six movable blocks (2). The movable blocks (2) are sequentially provided with a laser generator (3), a polarizer (4), a quarter wave plate (5), a light tool platform (6), a polarization analyzer (7) and a signal receiver (8) in a corresponding manner. The laser generator (3) and the signal receiver (8) are respectively connected with an optical signal analyzer (9). The instrument provided by the utility model is advantageous in that: 1, the capacity of resisting disturbance is great through employing an optical-signal automatic detection system; 2, there is no need of gear shift for full range display through five-and-half digital display, and the continuous reading enables readings to be stable; 3, the technology of full-automatic background-noise elimination is employed; 4, pulse power supply is employed for a light source.
Description
Technical field
The utility model relates to experimental apparatus field, has related in particular to a kind of polarization experimental apparatus.
Background technology
Polarized light experiment is checking Malus law, observes the universal experiment of university of polarisation of light characteristic, and existing polarized light instrument is by opto-electronic conversion reading out data, and bias light is very large on the impact of experimental data, and reading is unstable, and the data of polarized light are all nonlinear.This produces a very large impact experiment effect.
Summary of the invention
The utility model is very large on the impact of experimental data for bias light in prior art, and reading is unstable, and the data of polarized light are all nonlinear shortcomings, and a kind of polarization experimental apparatus is provided.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
Polarization experimental apparatus, comprise light tool guide rail, light tool guide rail is provided with at least 6 movable blocks, corresponding laser generator, the polarizer, quarter wave plate, light tool platform, analyzer, the signal receiver of being provided with successively on movable block, and laser generator is connected optical signal analyzer with signal receiver.
As preferably, optical signal analyzer comprises silicon photocell, silicon photocell connects I/V translation circuit, filtering circuit, 16 A/D converters and microprocessor, digital filter and 5 half digital displays successively, and the microprocessor other end connects intensity modulation circuit, and intensity modulation circuit connects silicon photocell.Have intensity modulation circuit and can eliminate the impact of bias light on experimental data, five and half digital displays are without the demonstration of gearshift gamut, and data are continuous, stable, are linear.
As preferably, movable block bottom is provided with groove, and groove snaps in light tool guide rail, and movable block one side is provided with elastic button.Groove and allow movable block is convenient to be moved horizontally on light tool guide rail, elastic button is for geocoded activity piece.
As preferably, movable block top is provided with rotation axis.Rotation axis facilitates rotatory polarization sheet and quarter wave plate.
As preferably, the polarizer and analyzer are all polaroid.
As preferably, on light tool platform, place wafer or polarization tube.Polarization tube is used for carrying out optically-active experiment.
The utility model, owing to having adopted above technical scheme, has significant technique effect: 1, use light signal automatic detection system, antijamming capability is strong; 2, five and half digital displays, show without gear shift gamut, and data are continuously linear, stable reading; 3, adopt full-automatic ground unrest deduction technology; 4, light source adopts pulse power supply.
Accompanying drawing explanation
Fig. 1 is shape assumption diagram of the present utility model;
Fig. 2 is optical signal analyzer the electric circuit constitute schematic diagram.
The toponym that in above accompanying drawing, each number designation refers to is as follows: wherein 1-light tool guide rail, 2-movable block, 3-laser generator, 4-polarizer, 5-quarter wave plate, 6-light tool platform, 7-analyzer, 8-signal receiver, 9-optical signal analyzer, 10-groove, 11-elastic button, 12-rotation axis.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
Polarization experimental apparatus, as shown in Figure 1, comprise light tool guide rail 1, light tool guide rail 1 is provided with at least 6 movable blocks 2, corresponding laser generator 3, the polarizer 4, quarter wave plate 5, light tool platform 6, analyzer 7, the signal receiver 8 of being provided with successively on movable block 2, laser generator 3 is connected optical signal analyzer 9 with signal receiver 8.
Movable block 2 bottoms are provided with groove 10, and groove 10 snaps in light tool guide rail 1, and movable block 2 one sides are provided with elastic button 11.Movable block 2 tops are provided with 360 ° of rotation axiss 12.The polarizer 4 is all polaroid with analyzer 7.
At light tool guide rail 1 two ends, laser generator 3 and signal receiver 8 are installed respectively, are made 6 millimeters of apertures of the contour entering signal receiver probe of laser beam.
Add a polaroid as the polarizer 4 near laser generator 3, by optical signal analyzer 9 access power zero clearings; Close laser generator 3, to make signal analyzer 9 readings be zero to knob to regulate optical signal analyzer 9 to return to zero; Open laser generator 3, rotatory polarization sheet, observes reading on optical signal analyzer 9, stops at one and is less than on 1 larger reading; Add another polaroid near signal receiver 8 probe places, as analyzer 7, rotate analyzer 7, in the time that optical signal analyzer 9 readings occur zero just, stop; Record and on analyzer 7, survey angle and power meter reading; Rotate in the same direction analyzer 7, often turn 15 degree recording light signal analyzer 9 readings.
Rotate analyzer 7 and make again to make system to enter the delustring state that optical signal analyzer 9 readings are zero, between the polarizer 4 and analyzer 7, insert quarter wave plate 5.Now system may have light to pass through.Rotate quarter wave plate 5, make system reenter delustring state.Now the optical axis of quarter wave plate 5 is parallel with the polarization direction of the polarizer 4.
Rotate quarter wave plate 515 and spend, after recording light signal analyzer 9 readings and analyzer 7 angles, rotate analyzer 7360 and spend, record wherein optical signal analyzer 9 extreme value readings and corresponding analyzer 7 and survey angle.Rotate quarter wave plate with the interval of each 15 degree in the same direction, work repeats to drill.
The utility model effect is remarkable, and 1, use light signal automatic detection system, antijamming capability is strong; 2, five and half digital displays, show without gear shift gamut, and data are continuously linear, stable reading; 3, adopt full-automatic ground unrest deduction technology; 4, light source adopts pulse power supply.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (6)
1. polarization experimental apparatus, comprise light tool guide rail (1), it is characterized in that: light tool guide rail (1) is provided with at least 6 movable blocks (2), corresponding laser generator (3), the polarizer (4), quarter wave plate (5), light tool platform (6), analyzer (7), the signal receiver (8) of being provided with successively on movable block (2), laser generator (3) is connected optical signal analyzer (9) with signal receiver (8).
2. polarization experimental apparatus according to claim 1, it is characterized in that: optical signal analyzer (9) comprises silicon photocell, silicon photocell connects I/V translation circuit, filtering circuit, 16 A/D converters and microprocessor, digital filter and 5 half digital displays successively, the microprocessor other end connects intensity modulation circuit, and intensity modulation circuit connects silicon photocell.
3. polarization experimental apparatus according to claim 1, is characterized in that: movable block (2) bottom is provided with groove (10), and groove (10) snaps in light tool guide rail (1), and movable block (2) one sides are provided with elastic button (11).
4. polarization experimental apparatus according to claim 3, is characterized in that: movable block (2) top is provided with rotation axis (12).
5. polarization experimental apparatus according to claim 1, is characterized in that: the polarizer (4) is all polaroid with analyzer (7).
6. polarization experimental apparatus according to claim 1, is characterized in that: upper wafer or the polarization tube placed of light tool platform (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782833.9U CN203631036U (en) | 2013-11-27 | 2013-11-27 | Polarized-light experimental instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782833.9U CN203631036U (en) | 2013-11-27 | 2013-11-27 | Polarized-light experimental instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631036U true CN203631036U (en) | 2014-06-04 |
Family
ID=50817493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320782833.9U Expired - Fee Related CN203631036U (en) | 2013-11-27 | 2013-11-27 | Polarized-light experimental instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203631036U (en) |
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2013
- 2013-11-27 CN CN201320782833.9U patent/CN203631036U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20161127 |