CN207541269U - All band three-dimensional EO-1 hyperion laser radar - Google Patents
All band three-dimensional EO-1 hyperion laser radar Download PDFInfo
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- CN207541269U CN207541269U CN201721493069.8U CN201721493069U CN207541269U CN 207541269 U CN207541269 U CN 207541269U CN 201721493069 U CN201721493069 U CN 201721493069U CN 207541269 U CN207541269 U CN 207541269U
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Abstract
The utility model is related to a kind of all band three-dimensional EO-1 hyperion laser radar, including two lasers, semiconductor laser, pulse laser；Two lasers scan object through spectral module after optics closes beam, and it is super continuous spectrums laser that wherein pulse laser, which is sent out, and the light that semiconductor laser is sent out is ranging light source；The light that object is reflected back reflexes to the spectrographic detection module for detecting light spectrum by spectral module；It is the detector array that multiple detectors are formed in spectrographic detection module, including high speed detecting module, high speed detecting module is at least one detector corresponding with semiconductor laser wavelength.The utility model can realize all band spectrographic detection, while have distance measurement function, have the characteristics that speed of detection is fast, high sensitivity.
Description
Technical field
The utility model belongs to spectrum analysis field, is related to a kind of all band three-dimensional EO-1 hyperion laser radar.
Background technology
Laser radar system is by object emission laser signal, receiving the laser signal being reflected back by object, and to light
Signal is analyzed.The relevant nature of object can be obtained after analysis, such as distance, orientation etc..Laser radar system can choose inhomogeneity
The laser light source of type, to realize different function.The laser light source that super continuous spectrums laser radar system is taken has good side
Tropism and abundant spectral component are a kind of good all band spectrographic detection light sources.
The information of substance can be obtained to the analysis of the spectrum of object reflection.Spectrometer is based on optical principle, to being incident to light
Light in spectrometer carries out dispersion, detects the light intensity of different wavelengths of light, obtains the spectral information of substance, mainly by entrance slit,
Collimating element, dispersion element, concentrating element and five part of detector array composition.The light sent out from entrance slit passes through collimation
After element becomes directional light, incoming dispersive element.Since the dispersion angle of different wavelengths of light is different, incident light passes through dispersion element
Afterwards, the separation of different wavelengths of light is realized.The light of Same Wavelength is focused on the same point of detector array by concentrating element.Detector
Array can obtain the spectrum of substance by detecting the light intensity of difference.
Utility model content
1st, purpose of utility model.
The utility model proposes all band three-dimensional EO-1 hyperion laser thunder, it can be achieved that all band spectrographic detection, has simultaneously
Distance measurement function has the characteristics that speed of detection is fast, high sensitivity.
2nd, technical solution used by the utility model.
The utility model proposes all band three-dimensional EO-1 hyperion laser radar, including two lasers, semiconductor laser,
Pulse laser；
Two lasers scan object through spectral module after optics closes beam, and wherein pulse laser, which is sent out, is
Super continuous spectrums laser, semiconductor laser ranging；
The light that object is reflected back reflexes to the spectrographic detection module for detecting light spectrum by spectral module；
It is the detector array that multiple detectors are formed in spectrographic detection module, including high speed detecting module, high speed
Detecting module is at least one detector corresponding with semiconductor laser wavelength.
In further specific embodiment, the semiconductor laser sends out the adjustable laser beam of intensity, and pulse swashs
The light for the 400nm-1700nm that light device is sent out.
In further specific embodiment, the spectrographic detection module includes the coke positioned at the first concave mirror 3
Slit at plane；
First concave mirror reflected light path sets grating,
Grating is incident to the second concave mirror after the light of each wavelength is realized separation；
Detector array is located at the focal plane of the second concave mirror, receives the different wave length that concave mirror is converged
Light.
In further specific embodiment, detector array uses multiple photodetectors, high speed detecting module
Spot detector wavelength it is corresponding with the wavelength that semiconductor laser is sent out.
In further specific embodiment, detector array detects partly leading for super continuous reflection spectrum and reflection simultaneously
Body laser optical signal.
3rd, technique effect caused by the utility model.
(1) the utility model selects the laser radar system of super continuous spectrums, utilizes the good directionality of super continuous spectrums laser
And abundant spectral component is realized and realizes all band spectrographic detection to all band spectrographic detection.
(2) laser radar system of the utility model based on super continuous spectrums adds in range laser, and two beam laser are shared same
Set system realizes the three-dimensional detection of object.
(3) fiber array and fiber-optical probe array that the utility model is chosen have detection speed as detector array
The characteristics of degree is fast, high sensitivity.
Description of the drawings
Fig. 1 is the utility model all band three-dimensional EO-1 hyperion laser radar system figure.
Fig. 2 is the system diagram of the utility model spectrographic detection module.
Fig. 3 is the partial schematic diagram of fiber array in the utility model spectrographic detection module.
Fig. 4 is the partial schematic diagram that the utility model spectroscopic fibers array connects detector mode.
Reference sign：
1- slits, 2- gratings, the first concave mirrors of 3-, the second concave mirrors of 4-, 5 detector arrays, 6- casings, 7-
Fiber array, 8- detector groups.
Specific embodiment
Embodiment 1
1 pair of the utility model is further described below in conjunction with the accompanying drawings：
It is closed as shown in Figure 1, all band three-dimensional EO-1 hyperion laser radar includes semiconductor laser, pulse laser, optics
Beam module, spectral module, spectrographic detection module, high speed detecting module, laser scanning module.
Semiconductor laser sends out the adjustable laser beam of intensity and is passed through with the 400nm-1700nm light beams that pulse laser is sent out
Optics closes beam module and realizes that beam is closed in space.Combined beam light enters laser scanning module by spectral module.Laser scanning module is by light
Beam exposes to object and it is scanned, and receives the light that object is reflected back and be transmitted to spectral module, anti-by spectral module
Spectrographic detection module and high speed detecting module are incident upon, spectrographic detection module is detected the light that object reflects analysis, visits at a high speed
Survey the semiconductor laser light intensity signal of module detection reflection.There is detector array in spectrographic detection module.High speed detecting module,
Refer to single detector corresponding with semiconductor wavelength in spectrographic detection module, realize that high speed signal is examined using the detector
It surveys.
As shown in Fig. 2, spectrographic detection module includes slit 1, grating 2, the first concave mirror 3, the second concave mirror
4th, detector array 5, casing 6.Detector array 5 is the combination of photodetector.
Slit 1 is placed in the focal plane of the first concave mirror 3, after light is incident to spectrometer through slit, through first
After concave mirror 3 reflects, reflected light is directional light.The dispersion angle of different wavelengths of light is different, by grating 2, each wavelength
Light realizes separation.Detector array is in the focal plane of the second concave mirror 4, and the second concave mirror 4 is by different wave length
Light converge at the difference of detector array 5.Wherein, single spy corresponding with semiconductor laser wavelength in detector array
Device is surveyed, obtains the signal of semiconductor laser.
Embodiment 2
1 pair of the utility model is further described below in conjunction with the accompanying drawings：
It is closed as shown in Figure 1, all band three-dimensional EO-1 hyperion laser radar includes semiconductor laser, pulse laser, optics
Beam module, spectral module, spectrographic detection module, high speed detecting module, laser scanning module.
Semiconductor laser sends out the adjustable laser beam of intensity and is passed through with the 400nm-1700nm light beams that pulse laser is sent out
Optics closes beam module and realizes that beam is closed in space.Combined beam light enters laser scanning module by spectral module.Laser scanning module is by light
Beam exposes to object and it is scanned, and receives the light that object is reflected back and be transmitted to spectral module, anti-by spectral module
Spectrographic detection module and high speed detecting module are incident upon, spectrographic detection module is detected the light that object reflects analysis, visits at a high speed
Survey the semiconductor laser light intensity signal of module detection reflection.There is detector array in spectrographic detection module.High speed detecting module,
Refer to single detector corresponding with semiconductor wavelength in spectrographic detection module, realize that high speed signal is examined using the detector
It surveys.
As shown in Fig. 2, spectrographic detection module includes slit 1, grating 2, the first concave mirror 3, the second concave mirror
4th, detector array 5, casing 6, detector array 5 include fiber array 7 and fiber-optical probe array 8.
Slit 1 is placed in the focal plane of the first concave mirror 3, after light is incident to spectrometer through slit, through concave surface
After speculum A3 reflections, reflected light is directional light.The dispersion angle of different wavelengths of light is different, and by grating 2, the light of each wavelength is real
Now detach.Detector array is in the focal plane of the second concave mirror 4, and the second concave mirror 4 is by the light of different wave length
Converge at the difference of detector array 5.The incidence end of detector array 5 is fiber array 7, and optical fiber is by specific wavelength optical transport
To fiber-optical probe array 8, a series of optical signalling of wavelength is obtained by fiber-optical probe array 8.Wherein, in fiber-optical probe
Single detector corresponding with semiconductor laser wavelength obtains the signal of semiconductor laser.
The utility model set forth a kind of all band three-dimensional EO-1 hyperion laser radar, the laser radar system based on super continuous spectrums
System adds in range laser, and two beam laser share same set of system, the realization pair while all band spectrographic detection for realizing object
The detection of object distance；Spectrographic detection mould is in the block, and detector array uses highly-sensitive detector, have speed of detection it is fast,
The characteristics of high sensitivity.Wherein, single detector corresponding with semiconductor laser wavelength in detector array obtains semiconductor
The signal of laser.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, the change made under other any Spirit Essences and principle without departing from the utility model are modified, are replaced
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
In the description of the present invention, it is to be appreciated that the term of indicating position or position relationship is based on attached drawing
Shown orientation or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply institute
The equipment or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this reality
With novel limitation.
Claims (6)
1. all band three-dimensional EO-1 hyperion laser radar, it is characterised in that：Including two lasers, semiconductor laser, pulse swash
Light device；
Two lasers scan object through spectral module after optics closes beam, and it is super connect that wherein pulse laser, which is sent out,
Continuous spectrum laser, semiconductor laser ranging；
The light that object is reflected back reflexes to the spectrographic detection module for detecting light spectrum by spectral module；
It is the detector array that multiple detectors are formed in spectrographic detection module, including high speed detecting module, detects at a high speed
Module is at least one detector corresponding with semiconductor laser wavelength.
2. all band three-dimensional EO-1 hyperion laser radar according to claim 1, it is characterised in that：The semiconductor laser
Device sends out the adjustable laser beam of intensity.
3. all band three-dimensional EO-1 hyperion laser radar according to claim 1, it is characterised in that：The pulse laser
The light of the 400nm-1700nm sent out.
4. all band three-dimensional EO-1 hyperion laser radar according to claim 1, it is characterised in that：The spectrographic detection mould
Block includes the slit of the focal plane positioned at the first concave mirror；
First concave mirror reflected light path sets grating,
Grating is incident to the second concave mirror after the light of each wavelength is realized separation；
Detector array is located at the focal plane of the second concave mirror 4, receives the different wave length that concave mirror is converged
Light.
5. according to all band three-dimensional EO-1 hyperion laser radar described in claim 1, it is characterised in that：Detector array uses
Multiple photodetectors.
6. according to the spectrographic detection module of all band three-dimensional EO-1 hyperion laser radar described in claim 5, it is characterised in that：
Detector array detects super continuous reflection spectrum and the semiconductor laser optical signal of reflection simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721493069.8U CN207541269U (en) | 2017-11-10 | 2017-11-10 | All band three-dimensional EO-1 hyperion laser radar |
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| CN201721493069.8U CN207541269U (en) | 2017-11-10 | 2017-11-10 | All band three-dimensional EO-1 hyperion laser radar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765261A (en) * | 2017-11-10 | 2018-03-06 | 常熟市浙大紫金光电技术研究中心 | All band three-dimensional EO-1 hyperion laser radar |
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2017
- 2017-11-10 CN CN201721493069.8U patent/CN207541269U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765261A (en) * | 2017-11-10 | 2018-03-06 | 常熟市浙大紫金光电技术研究中心 | All band three-dimensional EO-1 hyperion laser radar |
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