CN204807727U - Inclined to one side analyser has been maked to rotatory polarization wave plate - Google Patents
Inclined to one side analyser has been maked to rotatory polarization wave plate Download PDFInfo
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- CN204807727U CN204807727U CN201520465754.4U CN201520465754U CN204807727U CN 204807727 U CN204807727 U CN 204807727U CN 201520465754 U CN201520465754 U CN 201520465754U CN 204807727 U CN204807727 U CN 204807727U
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- wave plate
- rotatory polarization
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- analyzer
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Abstract
The utility model relates to an inclined to one side analyser has been maked to rotatory polarization wave plate, by spin - wave plate (1), rotatory polarization piece (2), detector (3) wave plate motor (4) and polaroid motor (5) constitution, spin - wave plate (1) is connected with rotatory polarization piece (2) and wave plate motor (4) respectively, and rotatory polarization piece (2) are connected with detector (3) and polaroid motor (5) respectively. The utility model provides an inclined to one side analyser has been maked to rotatory polarization wave plate simple structure, with low costs, the signal is gathered in the timesharing, has improved detection speed greatly, and phase modulation's time greatly shortens.
Description
Technical field
The utility model relates to the analyzing element of a kind of mechanical rotation modulation, particularly relates to a kind of rotatory polarization wave plate and has modulated inclined analyzer, belong to polarizer apparatus field.
Background technology
Electromagnetic Scattering Theory discloses, and polarization is an important information of light.Polarization Detection, as a useful supplement of strength investigation, can extend to 7 degree of freedom quantity of information from three-dimensional, contributes to the accuracy improving target detection and Objects recognition.Traditional images often depends on strength characteristic and the wavelength characteristic of light, and Polarization Detection can find can realize the target identification in complex background by some essential characteristic (material, details etc. as target) of target.Current Polarization Detection has become the important detection means of one in Military Application, for the fields such as target identification, intelligence reconnaissance provide effective information.Simultaneously due to the polarization sensitivity of air and object spectrum radiation, visible and infrared polarization remote sensing progressively becomes the new technical means of ground, aviation and moonscope, is applied in the field such as remote sensing of the earth and astronomical research.
Polarized light modulator approach is widely used in rising partially and Calibrator in active polarization imaging system, but does not have the special element being suitable for inclined Calibrator at present.
Utility model content
In order to overcome the deficiencies in the prior art, resolving the problem of prior art, making up the deficiency of existing existing product in the market.
The utility model provides a kind of rotatory polarization wave plate and has modulated inclined analyzer, be made up of rotating wave plate, rotatory polarization sheet, detecting device wave plate motor and polaroid motor, described rotating wave plate is connected with rotatory polarization sheet and wave plate motor respectively, and rotatory polarization sheet is connected with detecting device and polaroid motor respectively.
Preferably, the sense of rotation of above-mentioned rotating wave plate and rotatory polarization sheet is rotate around optical axis clockwise.
Preferably, the angular velocity of rotation of above-mentioned rotating wave plate and rotatory polarization sheet is constant.
Preferably, above-mentioned rotatory polarization sheet is also connected with a phase delay device.
Preferably, above-mentioned wave plate motor is identical with the frequency of operation of polaroid motor.
The rotatory polarization wave plate that the utility model provides has modulated that inclined analyzer structure is simple, cost is low, and acquisition time signal, substantially increases speed of detection, and the time of phase-modulation greatly shortens.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Reference numeral: 1-rotating wave plate; 2-rotatory polarization sheet; 3-detecting device; 4-wave plate motor; 5-polaroid motor.
Embodiment
Understand for the ease of those of ordinary skill in the art and implement the utility model, below in conjunction with the drawings and the specific embodiments, the utility model being described in further detail.
As shown in Figure 1, inclined analyzer modulated by the rotatory polarization wave plate that the utility model provides, and typical laser radar remote sensing system is made up of laser instrument, emission coefficient, receiving system and imaging system.Laser radar polarized imaging system then adds polarization generation device and polarization analysis device.Polarization generation device is the device of the complete polarized light producing known, any controllable state.Polarization analysis device measures the polarization state of light wave, can by realizing the measurement of one group of Stokes parameter, and measuring accuracy depends on spatial resolution and the temporal resolution of measurement.
Inclined analyzer modulated by the rotatory polarization wave plate that the utility model provides, be made up of rotating wave plate 1, rotatory polarization sheet 2, detecting device 3 wave plate motor 4 and polaroid motor 5, rotating wave plate 1 is connected with rotatory polarization sheet 2 and wave plate motor 4 respectively, and rotatory polarization sheet 2 is connected with detecting device 3 and polaroid motor 5 respectively.The sense of rotation of rotating wave plate 1 and rotatory polarization sheet 2 is rotate around optical axis clockwise.The angular velocity of rotation of rotating wave plate 1 and rotatory polarization sheet 2 is constant.Rotatory polarization sheet 2 is also connected with a phase delay device.Wave plate motor 4 is identical with the frequency of operation of polaroid motor 5.Wave plate motor 4 is identical with the frequency of operation of polaroid motor 5, to rotate modulate light wave with Constant Angular Velocity driven rotary wave plate 1 and rotatory polarization sheet 2 around optical axis.
The rotatory polarization wave plate that the utility model provides has modulated that inclined analyzer structure is simple, cost is low, and acquisition time signal, substantially increases speed of detection, and the time of phase-modulation greatly shortens.
The embodiment of the above is better embodiment of the present utility model; not limit concrete practical range of the present utility model with this; scope of the present utility model comprises and is not limited to this embodiment, and the equivalence change that all shapes according to the utility model, structure are done is all in protection domain of the present utility model.
Claims (5)
1. inclined analyzer modulated by a rotatory polarization wave plate, it is characterized in that: described rotatory polarization wave plate has been modulated inclined analyzer and has been made up of rotating wave plate (1), rotatory polarization sheet (2), detecting device (3) wave plate motor (4) and polaroid motor (5), described rotating wave plate (1) is connected with rotatory polarization sheet (2) and wave plate motor (4) respectively, and rotatory polarization sheet (2) is connected with detecting device (3) and polaroid motor (5) respectively.
2. inclined analyzer modulated by rotatory polarization wave plate according to claim 1, it is characterized in that: the sense of rotation of described rotating wave plate (1) and rotatory polarization sheet (2) is for rotate around optical axis clockwise.
3. inclined analyzer modulated by rotatory polarization wave plate according to claim 2, it is characterized in that: the angular velocity of rotation of described rotating wave plate (1) and rotatory polarization sheet (2) is constant.
4. inclined analyzer modulated by rotatory polarization wave plate according to claim 1, it is characterized in that: described rotatory polarization sheet (2) is also connected with a phase delay device.
5. inclined analyzer modulated by rotatory polarization wave plate according to claim 1, it is characterized in that: described wave plate motor (4) is identical with the frequency of operation of polaroid motor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465754.4U CN204807727U (en) | 2015-06-25 | 2015-06-25 | Inclined to one side analyser has been maked to rotatory polarization wave plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465754.4U CN204807727U (en) | 2015-06-25 | 2015-06-25 | Inclined to one side analyser has been maked to rotatory polarization wave plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204807727U true CN204807727U (en) | 2015-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520465754.4U Expired - Fee Related CN204807727U (en) | 2015-06-25 | 2015-06-25 | Inclined to one side analyser has been maked to rotatory polarization wave plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204807727U (en) |
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2015
- 2015-06-25 CN CN201520465754.4U patent/CN204807727U/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 |
Granted publication date: 20151125 Termination date: 20160625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |