CN209326782U - A kind of light source optical power detection apparatus and laser light source - Google Patents
A kind of light source optical power detection apparatus and laser light source Download PDFInfo
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- CN209326782U CN209326782U CN201920342456.4U CN201920342456U CN209326782U CN 209326782 U CN209326782 U CN 209326782U CN 201920342456 U CN201920342456 U CN 201920342456U CN 209326782 U CN209326782 U CN 209326782U
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Abstract
This application discloses a kind of light source optical power detection apparatus and laser light sources, incident ray is carried out convergence using light convergence module and transmitted to spectral module by light source optical power detection apparatus, spectral module carries out light-splitting processing to the incident ray after convergence, forms the first light splitting light beam and the second light splitting light beam；Wherein, first light splitting light beam is emitted from the first exit portal, for normal use, second light splitting light source is emitted from the second exit portal, so that detection module carries out optical power detection, detection module obtains detection light beam according to the second light splitting light beam, and according to the preset value of detection light beam and spectral module, determines the optical power of incident ray.Light source optical power detection apparatus provides the normal work function of light source using the first light splitting light beam, light source light power detection is realized using the second light splitting light beam, to realize the purpose detected in the use process of laser light source to optical power, important references are provided for plant maintenance personnel positioning fault point and equipment daily maintenance.
Description
Technical field
This application involves optical power detection technique field, more specifically to a kind of light source optical power detection apparatus and
Laser light source.
Background technique
Visible light lasers light source as the main stream light sources for substituting traditional mercury lamp xenon lamp and being increasingly becoming projection device, and
The fields such as stage lighting, terrestrial reference, searchlighting, medical treatment have a wide range of applications, and laser has gamut range wide, good beam quality excellent
Point.
In laser system, the device of core is the laser light source for shoot laser.Different wave length in laser light source
Laser is due to factors such as temperature, device agings, and with the use of laser system, the output power of laser is had in various degree
Decaying, the practical optical power of laser is effective reference of ancillary equipment maintenance personnel fault point and decision problem.Cause
This, carrying out detection to the optical power of laser has actual application value.
The practical optical power for usually measuring the laser of laser light source by laser power meter in the prior art, is utilizing
When laser optical power carries out optical power measurement, need for the emergent ray of testing laser device to be all transferred in laser power meter,
It is just able to achieve the measurement of optical power, cannot achieve the real-time measurement of laser light source in use.
Utility model content
In order to solve the above technical problems, this application provides a kind of light source optical power detection apparatus and laser light sources, with reality
The purpose detected in the use process of present laser light source to optical power is plant maintenance personnel positioning fault point and equipment
Daily maintenance provides reference.
To realize the above-mentioned technical purpose, the embodiment of the present application provides following technical solution:
A kind of light source optical power detection apparatus, comprising: light convergence module, spectral module and detection module；Wherein,
The light convergence module for receiving incident incident ray, and will be thought described after incident ray convergence
Spectral module transmission；
The spectral module carries out light-splitting processing for the incident ray after converging, and forms the first light splitting light beam
With the second light splitting light beam；The first light splitting light beam is emitted from the first exit portal of the spectral module, the second light splitting light
Beam is emitted from the second exit portal of the spectral module；The luminous flux of the first light splitting light beam and the light of the incident ray are logical
The ratio between amount is preset value, and the preset value is greater than or equal to 90%；
The detection module, for handling the second light splitting light beam, to obtain detection light beam, and according to described
Detection light beam and the preset value determine the optical power of the incident ray.
Optionally, the spectral module includes: coupling fixing device, window mirror and outgoing coupling device；Wherein,
The coupling fixing device includes entrance port, the first exit end and the second exit end；First exit end is institute
The first exit portal of spectral module is stated, second exit end is the second exit portal of the spectral module；It uses the entrance port
In the reception incident ray；First exit end is used for for the first light splitting beam exit；Second exit end is used
In for the second light splitting beam exit；
The window mirror for incident ray described in permeation parts, and reflects remaining described incident ray, transmission it is described
Incident ray forms the first light splitting light beam, and the incident ray of reflection forms the second light splitting light beam；
The outgoing coupling device is set in second exit portal, for receiving the first light splitting light beam and making
The first light splitting beam exit.
Optionally, the window mirror includes:
Plane mirror and the anti-reflection film for being located at the plane mirror upper and lower surface.
Optionally, the outgoing coupling device is fiber stub.
Optionally, the detection module includes: diffusion sheet and photosensitive sensor；Wherein,
The diffusion sheet, for obtaining the detection light beam after being scattered to the second light splitting light beam；
The photosensitive sensor, for receiving the detection light beam, and according to the second light splitting light beam after scattering and described
Preset value determines the optical power of the incident ray.
Optionally, the detection module includes: diffusion sheet, attenuator photosensitive sensor；Wherein,
The diffusion sheet, for being transmitted after being scattered to the second light splitting light beam to the attenuator；
The attenuator is located at institute for carrying out attenuation processing to the second light splitting light beam after scattering to obtain luminous flux
State the detection light beam in photosensitive sensor range；
The photosensitive sensor, for receiving the detection light beam, and according to the second light splitting light beam after scattering and described
Preset value determines the optical power of the incident ray.
Optionally, the photosensitive sensor is single-wavelength light dependent sensor or color sensor.
Optionally, further includes: compensation device；
Reflecting surface of the reflecting surface of the compensation device perpendicular to the window mirror, and the optical axis center of the compensation device
It is located on the same line with the optical axis center of the detection device, the compensation device is used for the second light splitting light beam is anti-
Detection device described in directive.
Optionally, further includes: the display device being connect with the detection module；
The display device, for showing the optical power of the incident ray.
A kind of laser light source, comprising: laser beam emitting device and light source optical power detection apparatus as described in any one of the above embodiments；
The laser beam emitting device, for being emitted Single wavelength laser or multiwavelength laser as the light source light power detection
The incident ray of device；
The light source optical power detection apparatus for receiving the incident ray, and detects the light function of the incident ray
Rate.
It can be seen from the above technical proposal that the embodiment of the present application provides a kind of light source optical power detection apparatus and laser
Light source, wherein the light source optical power detection apparatus using light convergence module by the incident ray of light source carry out convergence and to
Spectral module transmission, the spectral module carry out light-splitting processing to the incident ray after convergence, form the first light splitting light beam
With the second light splitting light beam；Wherein, the first light splitting light beam be emitted from the first exit portal, for normal use, second be divided light source from
The outgoing of second exit portal, so that detection module carries out the detection of optical power, the detection module is according to the second incident light splitting light
Beam obtains detection light beam, and according to the preset value of detection light beam and spectral module, determines the optical power of incident ray.The light source
Optical power detection apparatus provides the normal work function of light source using the first light splitting light beam, realizes light using the second light splitting light beam
The optical power in source detects, and is equipment to realize the purpose detected in the use process of laser light source to optical power
Maintenance personnel's fault point and equipment daily maintenance provide important references.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram for light source optical power detection apparatus that one embodiment of the application provides；
Fig. 2 is a kind of structural schematic diagram for light source optical power detection apparatus that another embodiment of the application provides；
Fig. 3 is a kind of structural schematic diagram for light source optical power detection apparatus that another embodiment of the application provides；
Fig. 4 is a kind of structural schematic diagram for light source optical power detection apparatus that the further embodiment of the application provides；
Fig. 5 is a kind of structural schematic diagram for light source optical power detection apparatus that the alternative embodiment of the application provides；
Fig. 6 is a kind of structural representation for light source optical power detection apparatus that another alternative embodiment of the application provides
Figure.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The embodiment of the present application provides a kind of light source optical power detection apparatus, as shown in Figure 1, comprising: light convergence module
10, spectral module 20 and detection module 30；Wherein,
The light convergence module 10 for receiving incident incident ray, and will think institute after incident ray convergence
State the transmission of spectral module 20；
The spectral module 20 carries out light-splitting processing for the incident ray after converging, and forms the first light splitting light
Beam and the second light splitting light beam；The first light splitting light beam is emitted from the first exit portal of the spectral module 20, and described second point
Light light beam is emitted from the second exit portal of the spectral module 20；The luminous flux and the incident ray of the first light splitting light beam
The ratio between luminous flux be preset value, the preset value is greater than or equal to 90%；
The detection module 30, for handling the second light splitting light beam, to obtain detection light beam, and according to institute
It states detection light beam and the preset value determines the optical power of the incident ray.
Optionally, the optical collection module is plus lens.In the other embodiments of the application, the optical collection
The lens group that module can also be constituted for multi-disc lens.The application to this and without limitation, specifically depending on actual conditions.
The light source optical power detection apparatus using light convergence module 10 by the incident ray of light source carry out convergence and to
Spectral module 20 transmits, and the incident ray after 20 pairs of spectral module convergences carries out light-splitting processing, forms the first light splitting
Light beam and the second light splitting light beam；Wherein, the first light splitting light beam is emitted from the first exit portal, for normal use, the second light splitting light
Source is emitted from the second exit portal, and so that detection module 30 carries out the detection of optical power, the detection module 30 is according to incident the
Two light splitting light beams obtain detection light beam, and according to the preset value of detection light beam and spectral module 20, determine the light function of incident ray
Rate.The light source optical power detection apparatus provides the normal work function of light source using the first light splitting light beam, utilizes the second light splitting
Light beam realizes the optical power detection of light source, is detected to optical power in the use process of laser light source to realize
Purpose provides important references for plant maintenance personnel positioning fault point and equipment daily maintenance.
On the basis of the above embodiments, in one embodiment of the application, as shown in Fig. 2, the spectral module 20
It include: coupling fixing device 21, window mirror 22 and outgoing coupling device 23；Wherein,
The coupling fixing device 21 includes entrance port, the first exit end and the second exit end；First exit end is
First exit portal of the spectral module 20, second exit end are the second exit portal of the spectral module 20；It is described enter
Loophole is for receiving the incident ray；First exit end is used for for the first light splitting beam exit；Described second goes out
End is penetrated for for the second light splitting beam exit；
The window mirror 22 for incident ray described in permeation parts, and reflects remaining described incident ray, the institute of transmission
It states incident ray and forms the first light splitting light beam, the incident ray of reflection forms the second light splitting light beam；
The outgoing coupling device 23, is set in second exit portal, for receiving the first light splitting light beam simultaneously
Make the first light splitting beam exit.
Optionally, the window mirror 22 includes:
Plane mirror and the anti-reflection film for being located at the plane mirror upper and lower surface.
In the present embodiment, the window mirror 22 is used to penetrate most incident ray, and the light of transmission forms first
Light beam is divided to meet the normal use of light source, and reflects least a portion of incident ray, the light of reflection forms the second light splitting light
Beam is to meet the needs that optical power detects.
Under normal circumstances, the transmissivity of the window mirror 22 needs to be greater than 90%, and the reflectivity of the window mirror 22 needs
Less than 1%.Therefore, in structure shown in Fig. 3, the window mirror 22 attaches anti-reflection film using plane mirror and both side surface
Mode is realized, to increase transmitance, and reduces reflectivity.
In the other embodiments of the application, the function of the window mirror 22 can also be realized using other optical elements.
The application to this and without limitation, specifically depending on actual conditions.
Optionally, the outgoing coupling device 23 is fiber stub.The fiber stub, it may be connected to outgoing coupling dress
It sets in the slot or flange on 23.
It the one end of the fiber stub far from light convergence module 10 can be with fiber coupling, so that from the light source light function
First light splitting light beam of rate detection device outgoing, which can enter in optical fiber, to be transmitted.The fiber stub converges mould far from light
One end of block 10 can not also be connect with other elements, the first light splitting light being emitted at this time from the light source optical power detection apparatus
The output of beam straight space.
On the basis of the above embodiments, in another embodiment of the application, as shown in figure 3, the detection module
30 include: diffusion sheet 31 and photosensitive sensor 32；Wherein,
The diffusion sheet 31, for obtaining the detection light beam after being scattered to the second light splitting light beam；
The photosensitive sensor 32 is divided light beam and institute for receiving the detection light beam, and according to second after scattering
State the optical power that preset value determines the incident ray.
In the present embodiment, the preferred large angle scattering piece 31 of the diffusion sheet 31, laser beam is scattered, and is realized uniformly defeated
Hot spot out improves the detection accuracy of photosensitive sensor 32.
It should be noted that in the present embodiment, needing to guarantee that the light of the detection light beam after diffusion sheet 31 scatters is logical
Amount in the detection range of the photosensitive sensor 32, detect photosensitive sensor 32 can not to avoid occurring outranging
The case where optical power of the detection light beam, occurs.
On the basis of the above embodiments, in another embodiment of the application, as shown in figure 4, the detection module
30 include: diffusion sheet 31,33 photosensitive sensor 32 of attenuator；Wherein,
The diffusion sheet 31, for being transmitted after being scattered to the second light splitting light beam to the attenuator 33；
The attenuator 33 is located at for carrying out attenuation processing to the second light splitting light beam after scattering with obtaining luminous flux
The detection light beam in 32 range of photosensitive sensor；
The photosensitive sensor 32 is divided light beam and institute for receiving the detection light beam, and according to second after scattering
State the optical power that preset value determines the incident ray.
In the present embodiment, the light passband of the second light splitting light beam after the scattering of diffusion sheet 31 is unable to satisfy light sensor
The range requirement of device 32, it is therefore desirable to increase the attenuator 33 and attenuation processing is carried out to the second light splitting light beam.The attenuator
33 attenuation rate is determined by laser general power and the range of photosensitive sensor 32.
Optionally, the photosensitive sensor 32 is single-wavelength light dependent sensor or color sensor.
When the incident ray is Single wavelength light, the photosensitive sensor 32 uses single-wavelength light dependent sensor
It meets the requirements.
When the incident ray includes the light of multiple wavelength, the photosensitive sensor 32 needs to sense using color
Device, to realize the purpose of the intensity for the light for distinguishing different wave length.
On the basis of the above embodiments, in the further embodiment of the application, as shown in figure 5, the light source light function
Rate detection device further include:
Compensation device 40；
Reflecting surface of the reflecting surface of the compensation device 40 perpendicular to the window mirror 22, and the light of the compensation device 40
The optical axis center of axis center and the detection device is located on the same line, and the compensation device 40 is used for described second point
Light light beam is reflected towards the detection device.
The window mirror 22 so that the reflectivity of incidence angles degree is different, therefore can be led due to the influence of coating process
It causes the second light splitting light reflectance of the different location reflected by window mirror 22 different, measurement data is caused to have deviation.Cause
This increases compensation device 40 and carries out angle compensation in the present embodiment, so as to be transferred to the second light splitting mould of detection module 30
The light intensity of block 20 is uniform.
On the basis of the above embodiments, in the alternative embodiment of the application, as shown in fig. 6, the light source light
Power detection device further include: the display device 60 being connect with the detection module 30；
The display device 60, for showing the optical power of the incident ray.
Correspondingly, the embodiment of the present application also provides a kind of laser light sources, comprising: laser beam emitting device and as any of the above-described
Light source optical power detection apparatus described in embodiment；
The laser beam emitting device, for being emitted Single wavelength laser or multiwavelength laser as the light source light power detection
The incident ray of device；
The light source optical power detection apparatus for receiving the incident ray, and detects the light function of the incident ray
Rate.
In conclusion the embodiment of the present application provides a kind of light source optical power detection apparatus and laser light source, wherein described
The incident ray of light source is carried out convergence using light convergence module and transmitted to spectral module, institute by light source optical power detection apparatus
It states spectral module and light-splitting processing is carried out to the incident ray after convergence, form the first light splitting light beam and the second light splitting light beam；
Wherein, the first light splitting light beam is emitted from the first exit portal, and for normal use, the second light splitting light source is emitted from the second exit portal,
So that detection module carries out the detection of optical power, the detection module obtains detection light beam according to the second incident light splitting light beam,
And according to the preset value of detection light beam and spectral module, the optical power of incident ray is determined.The light source optical power detection apparatus
The normal work function of light source is provided using the first light splitting light beam, is examined using the optical power that the second light splitting light beam realizes light source
It surveys, is plant maintenance personnel positioning to realize the purpose detected in the use process of laser light source to optical power
Fault point and equipment daily maintenance provide important references.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of light source optical power detection apparatus characterized by comprising light convergence module, spectral module and detection module；
Wherein,
The light convergence module for receiving incident incident ray, and will think the light splitting after incident ray convergence
Module transfer；
The spectral module carries out light-splitting processing for the incident ray after converging, and forms the first light splitting light beam and the
Two light splitting light beams；It is described first light splitting light beam from the first exit portal of the spectral module be emitted, it is described second light splitting light beam from
Second exit portal of the spectral module is emitted；It is described first light splitting light beam luminous flux and the incident ray luminous flux it
Than for preset value, the preset value is greater than or equal to 90%；
The detection module, for handling the second light splitting light beam, to obtain detection light beam, and according to the detection
Light beam and the preset value determine the optical power of the incident ray.
2. the apparatus according to claim 1, which is characterized in that the spectral module includes: coupling fixing device, window mirror
With outgoing coupling device；Wherein,
The coupling fixing device includes entrance port, the first exit end and the second exit end；First exit end is described point
First exit portal of optical module, second exit end are the second exit portal of the spectral module；The entrance port is for connecing
Receive the incident ray；First exit end is used for for the first light splitting beam exit；Second exit end is for supplying
The second light splitting beam exit；
The window mirror for incident ray described in permeation parts, and reflects remaining described incident ray, the incidence of transmission
Light forms the first light splitting light beam, and the incident ray of reflection forms the second light splitting light beam；
The outgoing coupling device is set in second exit portal, for receiving the first light splitting light beam and making described
First light splitting beam exit.
3. the apparatus of claim 2, which is characterized in that the window mirror includes:
Plane mirror and the anti-reflection film for being located at the plane mirror upper and lower surface.
4. the apparatus of claim 2, which is characterized in that the outgoing coupling device is fiber stub.
5. the apparatus of claim 2, which is characterized in that the detection module includes: diffusion sheet and photosensitive sensor；
Wherein,
The diffusion sheet, for obtaining the detection light beam after being scattered to the second light splitting light beam；
The photosensitive sensor, for receiving the detection light beam, and according to the second light splitting light beam after scattering and described default
Value determines the optical power of the incident ray.
6. the apparatus of claim 2, which is characterized in that the detection module includes: diffusion sheet, the photosensitive biography of attenuator
Sensor；Wherein,
The diffusion sheet, for being transmitted after being scattered to the second light splitting light beam to the attenuator；
The attenuator is located at the light for carrying out attenuation processing to the second light splitting light beam after scattering to obtain luminous flux
The detection light beam in dependent sensor range；
The photosensitive sensor, for receiving the detection light beam, and according to the second light splitting light beam after scattering and described default
Value determines the optical power of the incident ray.
7. device according to claim 5 or 6, which is characterized in that the photosensitive sensor is single-wavelength light dependent sensor
Or color sensor.
8. device according to claim 5 or 6, which is characterized in that further include: compensation device；
Reflecting surface of the reflecting surface of the compensation device perpendicular to the window mirror, and the optical axis center of the compensation device and institute
The optical axis center for stating detection device is located on the same line, and the compensation device is used to for the second light splitting light beam being reflected towards
The detection device.
9. the apparatus according to claim 1, which is characterized in that further include: the display device being connect with the detection module；
The display device, for showing the optical power of the incident ray.
10. a kind of laser light source characterized by comprising laser beam emitting device and such as described in any item light of claim 1-9
Source optical power detection apparatus；
The laser beam emitting device, for being emitted Single wavelength laser or multiwavelength laser as the light source optical power detection apparatus
Incident ray；
The light source optical power detection apparatus for receiving the incident ray, and detects the optical power of the incident ray.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813425A (en) * | 2019-03-18 | 2019-05-28 | 北京镭创高科光电科技有限公司 | A kind of light source optical power detection apparatus and laser light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813425A (en) * | 2019-03-18 | 2019-05-28 | 北京镭创高科光电科技有限公司 | A kind of light source optical power detection apparatus and laser light source |
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