CN208224599U - A kind of laser beam direction systems stabilisation - Google Patents
A kind of laser beam direction systems stabilisation Download PDFInfo
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- CN208224599U CN208224599U CN201820906888.9U CN201820906888U CN208224599U CN 208224599 U CN208224599 U CN 208224599U CN 201820906888 U CN201820906888 U CN 201820906888U CN 208224599 U CN208224599 U CN 208224599U
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Abstract
The utility model relates to a kind of laser beams to be directed toward systems stabilisation, including laser emitter, two-dimentional fast mirror, dsp controller, two Position-Sensitive Detectors and two beam splitters, the light that the laser beam that the laser emitter issues is incident on the two-dimentional fast mirror after reflection sequentially passes through beam splitter described in two panels, the reflection light that light generates on the beam splitter described in two panels respectively is received by two Position-Sensitive Detectors respectively, the Position-Sensitive Detector, the dsp controller and the two-dimentional fast mirror are sequentially connected, the angle of incidence of light of the two dimension fast mirror and the beam splitter is 45 °, the Position-Sensitive Detector is equipped with and the matched narrow band filter slice of lambda1-wavelength.The utility model can realize the real time correction being directed toward for light beam, and structure is simple, detect fast response time, and sensitivity is higher, adapt to vibration environment.
Description
Technical field
The utility model relates to a kind of optical devices more particularly to a kind of laser beam to be directed toward systems stabilisation.
Background technique
Optical device in laboratory can generally work under relatively good environment, but carry out in ground base in outfield
Beam Propagation when, the random vibration of auxiliary device and the shake on ground are inevitably present, even very small
Vibration can all seriously affect the stability that the quality even light beam of light beam is directed toward.For vehicle-mounted, carrier-borne, airborne and spaceborne optics
For system, violent oscillatory motion caused by carrier movement is even more that can not be ignored.Therefore, impact vibration is solved to light beam pointing accuracy
Influence, shake beamstability with vibration, be quite be of practical significance the problem of.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of laser beams to be directed toward systems stabilisation, to solve the prior art
In deficiency.
In order to achieve the above object, the purpose of this utility model is achieved through the following technical solutions:
There is provided a kind of laser beam direction systems stabilisation, wherein including laser emitter, two-dimentional fast mirror, DSP control
Device, two Position-Sensitive Detectors and two beam splitters, it is fast that the laser beam that the laser emitter issues is incident to the two dimension
Light on fast reflecting mirror after reflection sequentially passes through beam splitter described in two panels, and light produces on the beam splitter described in two panels respectively
Raw reflection light is received by two Position-Sensitive Detectors respectively, the Position-Sensitive Detector, the dsp controller
It is sequentially connected with the two-dimentional fast mirror, the angle of incidence of light of the two dimension fast mirror and the beam splitter is
45 °, the Position-Sensitive Detector is equipped with and the matched narrow band filter slice of lambda1-wavelength.
Above-mentioned laser beam is directed toward systems stabilisation, wherein the laser emitter uses LD-650-5-3 diode laser.
Above-mentioned laser beam is directed toward systems stabilisation, wherein the two dimension fast mirror uses FSM-002-02 type anti-mirror fastly.
Above-mentioned laser beam is directed toward systems stabilisation, wherein the beam splitter uses OMC 30-82 type beam splitter.
Above-mentioned laser beam is directed toward systems stabilisation, wherein the Position-Sensitive Detector is made using pillow-type Two-dimensional PSD S1880
For the detection device of signal, while completing using circuit board C9069 the detection and amplification conversion process to photoelectric current.
Above-mentioned laser beam is directed toward systems stabilisation, wherein the dsp controller uses TMS320LF2407 chip.
Above-mentioned laser beam is directed toward systems stabilisation, wherein the narrow band filter slice uses JSL 640-25 red filter plate.
Compared with the prior art, the utility model has the beneficial effects that:
The real time correction being directed toward for light beam can be achieved, structure is simple, detects fast response time, and sensitivity is higher, adapts to
Vibration environment.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 shows the structural schematic diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Refering to what is shown in Fig. 1, it includes laser emitter 1, two-dimentional quick reflex that the utility model laser beam, which is directed toward systems stabilisation,
Mirror 2 (FSM), 3, two Position-Sensitive Detectors 4 (PSD) of dsp controller and two beam splitters 5, what laser emitter 1 issued swashs
The light that light beam is incident on two-dimentional fast mirror 2 after reflection sequentially passes through two panels beam splitter 5, and light is respectively in two panels
The reflection light generated on beam splitter 5 is received by two Position-Sensitive Detectors 4 respectively, Position-Sensitive Detector 4, DSP control
Device 3 and two-dimentional fast mirror 2 are sequentially connected, and the angle of incidence of light of two-dimentional fast mirror 2 and beam splitter 5 is 45 °, position
Sensing detector 4 is equipped with and the matched narrow band filter slice of lambda1-wavelength.
In the technical program, laser emitter 1 uses LD-650-5-3 diode laser, and output wavelength 650nm is (red
Light), 0.4~3mW of power (adjustable).Two-dimentional fast mirror 2 is using FSM-002-02 type anti-mirror fastly, using push-pull structure,
It is driven by four voice coil motors, can provide high speed stable X, Y Double axial rotation.Beam splitter 5 uses OMC 30-82 type beam splitting
Mirror.Projection light is 80%, reflected light 20%.Inspection of the Position-Sensitive Detector 4 using pillow-type Two-dimensional PSD S1880 as signal
Device is surveyed, PSD is a kind of optoelectronic semiconductor component of continuous type, is PIN three-layer semiconductor silicon wafer structure, the PSD of above-mentioned model
Photosurface edge be in circular arc type, four output electrodes from diagonal line go out draw, so reduce defeated on bis- directions x, y
It is interfered with each other between pole out, improves the linearity of output, while the detection to photoelectric current is completed using circuit board C9069 and is put
Big conversion process, C9069 are digital output, using serial line interface, inside there is D/A conversion circuit, are not required to carry out testing result
Correction.Dsp controller 3 uses TMS320LF2407 chip, and instruction execution speed is 30MIPS, provides low power mode of operation.
Narrow band filter slice uses JSL 640-25 red filter plate, and the setting of narrow band filter slice is the shielding effect in order to improve bias light
Fruit.With continued reference to diagram, two reference points of P1 and P2 are defined, the line between them has determined accurate light-beam position, passed through
The imbalance of beam splitter 5 and PSD4 detection light beam at two reference points, if identical in the position signal that two points detect,
Show that the line between outgoing beam and P1 point P2 point is parallel, that is, without deviation is directed toward, does not need to correct, if detect
Position signal is not identical, then illustrates to exist and be directed toward deviation, need to correct.
From above-described embodiment as can be seen that the advantage of the utility model is:
The real time correction being directed toward for light beam can be achieved, structure is simple, detects fast response time, and sensitivity is higher, adapts to
Vibration environment.
Specific embodiment of the utility model is described in detail above, but the utility model be not restricted to it is above
The specific embodiment of description, it is merely an example.To those skilled in the art, any equivalent modifications and substitution be also all
Among the scope of the utility model.Therefore, equal transformation made under the spirit and scope for not departing from the utility model
And modification, should all it cover in the scope of the utility model.
Claims (7)
1. a kind of laser beam is directed toward systems stabilisation, which is characterized in that including laser emitter, two-dimentional fast mirror, DSP control
Device, two Position-Sensitive Detectors and two beam splitters, it is fast that the laser beam that the laser emitter issues is incident to the two dimension
Light on fast reflecting mirror after reflection sequentially passes through beam splitter described in two panels, and light produces on the beam splitter described in two panels respectively
Raw reflection light is received by two Position-Sensitive Detectors respectively, the Position-Sensitive Detector, the dsp controller
It is sequentially connected with the two-dimentional fast mirror, the angle of incidence of light of the two dimension fast mirror and the beam splitter is
45 °, the Position-Sensitive Detector is equipped with and the matched narrow band filter slice of lambda1-wavelength.
2. laser beam as described in claim 1 is directed toward systems stabilisation, which is characterized in that the laser emitter uses LD-650-
5-3 diode laser.
3. laser beam as described in claim 1 is directed toward systems stabilisation, which is characterized in that the two dimension fast mirror uses FSM-
002-02 type anti-mirror fastly.
4. laser beam as described in claim 1 is directed toward systems stabilisation, which is characterized in that the beam splitter uses OMC 30-82 type
Beam splitter.
5. laser beam as described in claim 1 is directed toward systems stabilisation, which is characterized in that the Position-Sensitive Detector uses pillow-type
Detection device of the Two-dimensional PSD S1880 as signal, while completing using circuit board C9069 detection and amplification to photoelectric current
Conversion process.
6. laser beam as described in claim 1 is directed toward systems stabilisation, which is characterized in that the dsp controller uses
TMS320LF2407 chip.
7. laser beam as described in claim 1 is directed toward systems stabilisation, which is characterized in that the narrow band filter slice uses JSL 640-
25 red filter plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820906888.9U CN208224599U (en) | 2018-06-12 | 2018-06-12 | A kind of laser beam direction systems stabilisation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820906888.9U CN208224599U (en) | 2018-06-12 | 2018-06-12 | A kind of laser beam direction systems stabilisation |
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| CN201820906888.9U Active CN208224599U (en) | 2018-06-12 | 2018-06-12 | A kind of laser beam direction systems stabilisation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946752A (en) * | 2019-03-15 | 2019-06-28 | 南开大学 | A kind of intelligent robot racing scoring system based on wireless sensor network |
| CN111142254A (en) * | 2020-02-13 | 2020-05-12 | 之江实验室 | Laser beam pointing stabilizing device for separately regulating and controlling angle drift and position drift |
| CN112346255A (en) * | 2020-12-10 | 2021-02-09 | 核工业理化工程研究院 | Light path stabilizing structure suitable for straight tube evaporation device |
| CN116519022A (en) * | 2023-07-05 | 2023-08-01 | 长春长光睿视光电技术有限责任公司 | Photoelectric pod stability precision testing system and method based on PSD signal detection |
-
2018
- 2018-06-12 CN CN201820906888.9U patent/CN208224599U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946752A (en) * | 2019-03-15 | 2019-06-28 | 南开大学 | A kind of intelligent robot racing scoring system based on wireless sensor network |
| CN111142254A (en) * | 2020-02-13 | 2020-05-12 | 之江实验室 | Laser beam pointing stabilizing device for separately regulating and controlling angle drift and position drift |
| CN112346255A (en) * | 2020-12-10 | 2021-02-09 | 核工业理化工程研究院 | Light path stabilizing structure suitable for straight tube evaporation device |
| CN112346255B (en) * | 2020-12-10 | 2024-03-29 | 核工业理化工程研究院 | Light path stable structure suitable for straight tube evaporation plant |
| CN116519022A (en) * | 2023-07-05 | 2023-08-01 | 长春长光睿视光电技术有限责任公司 | Photoelectric pod stability precision testing system and method based on PSD signal detection |
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