CN210608007U - Light beam coupling and control device - Google Patents
Light beam coupling and control device Download PDFInfo
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- CN210608007U CN210608007U CN201921821398.XU CN201921821398U CN210608007U CN 210608007 U CN210608007 U CN 210608007U CN 201921821398 U CN201921821398 U CN 201921821398U CN 210608007 U CN210608007 U CN 210608007U
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Abstract
The utility model discloses a light beam coupling and controlling means belongs to the laser optical system field. The device comprises a box body, wherein the side wall of the box body is provided with a light inlet and a light outlet, and the axis of the light inlet is vertical to the axis of the light outlet; a first spectroscope, a power attenuation device and a photoelectric probe are arranged in the box body; a first laser beam collector is arranged on the outer surface of the box body; the first spectroscope divides the laser into reflected light and transmitted light, the reflected light is emitted out of the box body from the light outlet, and the transmitted light enters the photoelectric probe; the power attenuation device decomposes the laser into a first component and a second component, the first component is emitted out of the box body from the light outlet, and the second component enters the first laser beam collector. The utility model discloses can adjust the propagation orbit of laser beam fast and portably, can attenuate and laser energy decay to laser power, can carry out real-time detection to the laser wave form to reasonable feedback and adjustment are made according to the result that detects out.
Description
Technical Field
The utility model relates to a laser optical system field especially indicates a light beam coupling and controlling means.
Background
The optical-mechanical system is a core module in a laser heat treatment system or a laser processing system, along with the rapid development of a laser precision processing technology, the integration level of the function requirements of the optical-mechanical system is higher and higher, and the control is more and more complex.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a light beam coupling and controlling means, the utility model discloses can adjust the propagation orbit of laser beam fast and portably, can attenuate and the laser energy decay to laser power, can carry out real-time detection to the laser wave form to make reasonable feedback and adjustment according to the result that detects out.
The utility model provides a technical scheme as follows:
a beam coupling and control device comprising a housing, wherein:
the side wall of the box body is provided with a light inlet and a light outlet, and the axis of the light inlet is vertical to the axis of the light outlet; a first spectroscope, a power attenuation device and a photoelectric probe are arranged in the box body; a first laser beam collector is arranged on the outer surface of the box body;
the light inlet, the first light splitter and the light outlet are sequentially arranged on the main light path from front to back along the light path propagation direction, the first light splitter divides laser which is emitted into the box body from the light inlet and reaches the first light splitter along the main light path into reflected light and transmitted light, the reflected light of the first light splitter is emitted out of the box body from the light outlet along the main light path, and the transmitted light of the first light splitter enters the photoelectric probe along the first light path;
the power attenuation device is arranged between the light outlet and the first light splitting mirror, the power attenuation device comprises an optical attenuator and a first mobile device for controlling the optical attenuator to enter a main light path or move out of the main light path, when the optical attenuator enters the main light path, laser on the main light path is decomposed into a first component along the main light path and a second component perpendicular to the main light path, the first component is emitted out of the box body from the light outlet along the main light path, and the second component enters the first laser beam collector along the first reflection light path.
Further, still be provided with in the box and shelter from the device, still be provided with second laser beam collector on the box surface, shelter from the device setting and go into between light mouth and the first beam splitter, shelter from the device and include the reflector and control the reflector and get into the second mobile device of main light path or shift out the main light path, when the reflector gets into the main light path, get into second laser beam collector along second reflection light path after with the laser reflection on the main light path.
Furthermore, the first moving device is a pneumatic device, the pneumatic device is connected with a gas circuit, the gas circuit is connected with an external gas supply device, an electromagnetic valve is arranged on the gas circuit, and the compressed gas in the gas circuit controls the optical attenuator to move in or out of the main light path in a translation mode.
Furthermore, the second moving device is a motor, the reflective mirror is arranged on the support plate, the motor is connected with the support plate, and the reflective mirror is controlled to rotate into the main light path or rotate out of the main light path through rotation of the motor.
Furthermore, the first laser beam collector and the second laser beam collector are connected with a cooling water pipe, and the cooling water pipe is connected with an external water supply device.
Further, still be provided with the second spectroscope in the box, still be provided with the power meter on the box surface, the second spectroscope sets up on first beam split way, the laser of second spectroscope on with first beam split way is divided into reflection light and transmitted light, and the reverberation of second spectroscope gets into the power meter along second beam split way, and the transmitted light of second spectroscope gets into photoelectric probe along first beam split way.
Furthermore, some or all of the shielding device, the first spectroscope, the second spectroscope, the power attenuation device and the photoelectric probe are arranged on the level adjusting plate.
Further, the optical attenuator is a fixed optical attenuator or an adjustable optical attenuator, and the photoelectric probe is a high-speed photoelectric probe.
Further, the box body comprises an upper cover and a lower shell, and the upper cover is connected to the upper end of the lower shell through bolts.
Furthermore, an interface board is connected to the side wall of the box body through bolts, and an air path connector and a cable connector are arranged on the interface board.
The utility model discloses following beneficial effect has:
the utility model discloses can adjust the propagation orbit of laser beam fast and portably, can attenuate and laser energy decay to laser power, can carry out real-time detection to the laser wave form to reasonable feedback and adjustment are made according to the result that detects out.
Drawings
Fig. 1 is a schematic diagram of the internal structure and light path of the light beam coupling and control device of the present invention;
fig. 2 is an external structural view of the light beam coupling and controlling device of the present invention;
fig. 3 is a top view of the light beam coupling and controlling device of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The embodiment of the utility model provides a light beam coupling and controlling means, as shown in fig. 1-3, it includes box 1, wherein:
the side wall of the box body 1 is provided with a light inlet 2 and a light outlet 3, and the axis of the light inlet 2 is vertical to the axis of the light outlet 3; a first spectroscope 4, a power attenuation device 5 and a photoelectric probe 6 are arranged in the box body 1; the outer surface of the box body 1 is provided with a first laser beam collector 7.
The light inlet 2, the first spectroscope 4 and the light outlet 3 are sequentially arranged from front to back on the main light path 100 along the light path propagation direction, the first spectroscope 4 divides laser which is emitted into the box body 1 from the light inlet 2 and reaches the first spectroscope 4 along the main light path 100 into reflected light and transmitted light, the reflected light of the first spectroscope 4 is emitted out of the box body from the light outlet 3 along the main light path 100, and the transmitted light of the first spectroscope 4 enters the photoelectric probe 6 along the first light path 200.
The power attenuation device 5 is arranged between the light outlet 3 and the first beam splitter 4, the power attenuation device 5 comprises an optical attenuator 8 and a first moving device 9 for controlling the optical attenuator 8 to enter the main optical path 100 or move out of the main optical path 100, when the optical attenuator 8 enters the main optical path 100, laser light on the main optical path 100 is decomposed into a first component along the main optical path 100 and a second component perpendicular to the main optical path 100, the first component exits the box body 1 from the light outlet 3 along the main optical path 100, and the second component enters the first laser beam collector 7 along the first reflection optical path 300.
The utility model is used for the coupling of optical-mechanical system light path links up. The laser enters the box body from the light inlet, the path of the main light path is changed through the first beam splitter, so that the laser emitted from the light inlet is perpendicular to the laser emitted from the light outlet, and the propagation track of the laser beam can be quickly, simply and conveniently adjusted.
And, the utility model discloses a first spectroscope divides out first light path, sets up photoelectric probe on first light path, carries out real-time detection to the pulse waveform of laser to make reasonable feedback and adjustment according to the testing result.
The utility model discloses still set up power attenuating device on the main light path, when the power of needs to laser attenuates, first mobile device control optical attenuator gets into the main light path, and the optical attenuator divide into first weight and second weight with laser, and the second weight is collected by first laser beam collector and is absorbed, reaches the purpose of decay laser power, prevents simultaneously that unnecessary beam energy from causing the destruction to equipment. Furthermore, by adjusting the time when the optical attenuator enters the main optical path and leaves the main optical path, the laser energy of the laser pulse can be attenuated.
To sum up, the utility model discloses can adjust the propagation orbit of laser beam fast and portably, can attenuate and laser energy decay to laser power, can carry out real-time detection to the laser wave form to make reasonable feedback and adjustment according to the result that detects out.
As an improvement of the utility model, still be provided with in the box 1 and shelter from device 10, still be provided with second laser beam collector 11 on the 1 surface of box, shelter from device 10 and set up and going into between light mouthful 2 and first spectroscope 4, shelter from device 10 and include reflector 12 and control reflector 12 and get into main light path 100 or shift out the second mobile device 13 of main light path 100, when reflector 12 gets into main light path 100, get into second laser beam collector 11 along second reflection light path 400 after the laser reflection on the main light path 100.
The utility model discloses in, cut off the propagation of laser in beam coupling and controlling means as required, make the reflector get into the primary light path through second mobile device, the reflector is with the laser reflection on the primary light path to second laser beam collector, and laser is collected by second laser beam collector and is absorbed, reaches the purpose of cutting off laser propagation, prevents that unnecessary beam energy from causing the destruction to equipment simultaneously.
The present invention does not limit the form of the first and second moving devices, and a specific example is given below:
the first moving device 9 is a pneumatic device, the pneumatic device 9 is connected with an air path 14, the air path 14 is connected with an external air supply device and used for continuously providing compressed air for equipment, an electromagnetic valve 15 is arranged on the air path 14, and the optical attenuator 8 is controlled by the compressed air in the air path 15 to be moved into the main light path 100 in a translation mode or moved out of the main light path 100 in a translation mode.
The utility model discloses do not restrict the form of second mobile device, it is preferred, second mobile device 13 is the motor, and reflector 12 sets up in backup pad 16, and the motor is connected with backup pad 16, and rotatory entering main light path 100 or the rotatory main light path 100 that shifts out of rotation control reflector 12 through the motor.
The utility model discloses in, first laser beam collector 7 and second laser beam collector 11 are connected with condenser tube 17, and condenser tube 17 is connected with outside water supply installation, continuously provides the cooling water for equipment.
As another improvement of the utility model, still be provided with second spectroscope 18 in the box 1, still be provided with power meter 19 on the box 1 surface, second spectroscope 18 sets up on first beam splitter 200, second spectroscope 18 divide into reflection light and transmission light with the laser on the first beam splitter 200, the reverberation of second spectroscope 18 gets into power meter 19 along second beam splitter 500, the power meter measures the power of current laser according to the laser of collecting, the transmission light of second spectroscope 18 gets into photoelectric probe 6 along first beam splitter 200, photoelectric probe is according to the pulse waveform who collects laser real-time detection laser.
Some or all of the shielding device 10, the first spectroscope 4, the second spectroscope 18, the power attenuation device 5 and the photoelectric probe 6 are arranged on a level adjustment plate and used for adjusting the height and levelness of each part.
The optical attenuator 8 can be a fixed optical attenuator or a variable optical attenuator, and can perform fixed or continuous attenuation on laser light to achieve the purpose of fixed or continuous attenuation.
The photoelectric probe 6 is a high-speed photoelectric probe.
The utility model discloses a box can have multiple structural style, exemplary: the case body 1 includes an upper cover 20 and a lower case 21, and the upper cover 20 is coupled to an upper end of the lower case 21 by bolts. The light inlet, the light outlet, the first laser beam collector, the second laser beam collector and the power meter are preferably arranged on the side wall of the box body, namely the side wall of the lower shell, and the first laser beam collector, the second laser beam collector and the power meter are preferably connected on the side wall of the box body by using functional bolts.
In order to conveniently connect external electrical equipment and an external air supply device, an interface board 22 is connected to the side wall of the box body 1 through bolts, and an air path connecting port 23 and a cable connecting port 24 are arranged on the interface board 22.
The utility model discloses beam coupling and controlling means, laser follow income light mouthful entering device to follow the light-emitting outlet and jet out. It has the following advantages:
1. the laser tracks of the light inlet and the light outlet are vertical, and the propagation track of the laser beam is quickly and simply adjusted.
2. The laser energy attenuation and the laser power attenuation are carried out on the laser pulse through the optical attenuator, and the aim of fixedly attenuating or continuously attenuating the laser is fulfilled.
3. The power of the laser is detected in real time through the power meter, the pulse waveform of the laser is detected in real time through the photoelectric probe, reasonable feedback and adjustment are made according to the detection result, and the adjustment operation process of the optical system is simplified on the premise of ensuring the precision.
4. The height and levelness of the internal components are adjusted through the level adjusting plate.
5. The laser beam collector can absorb laser to prevent the damage of redundant laser energy to the equipment.
6. The coupling and control functions of the light beams are realized in a centralized manner, so that the control on the laser is more centralized and compact, the control and the detection can be carried out without light splitting at multiple positions in a light path, and the efficiency of the optical-mechanical device is effectively improved.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A light beam coupling and controlling device, characterized by, includes the box, wherein:
the side wall of the box body is provided with a light inlet and a light outlet, and the axis of the light inlet is vertical to the axis of the light outlet; a first spectroscope, a power attenuation device and a photoelectric probe are arranged in the box body; a first laser beam collector is arranged on the outer surface of the box body;
the light inlet, the first light splitter and the light outlet are sequentially arranged on the main light path from front to back along the light path propagation direction, the first light splitter divides laser which is emitted into the box body from the light inlet and reaches the first light splitter along the main light path into reflected light and transmitted light, the reflected light of the first light splitter is emitted out of the box body from the light outlet along the main light path, and the transmitted light of the first light splitter enters the photoelectric probe along the first light path;
the power attenuation device is arranged between the light outlet and the first light splitting mirror, the power attenuation device comprises an optical attenuator and a first mobile device for controlling the optical attenuator to enter a main light path or move out of the main light path, when the optical attenuator enters the main light path, laser on the main light path is decomposed into a first component along the main light path and a second component perpendicular to the main light path, the first component is emitted out of the box body from the light outlet along the main light path, and the second component enters the first laser beam collector along the first reflection light path.
2. The beam coupling and control device according to claim 1, wherein a shielding device is further disposed in the housing, a second laser beam collector is further disposed on an outer surface of the housing, the shielding device is disposed between the light inlet and the first beam splitter, the shielding device includes a reflective mirror and a second moving device for controlling the reflective mirror to enter or move out of the main light path, and when the reflective mirror enters the main light path, the reflective mirror reflects the laser light on the main light path and then enters the second laser beam collector along a second reflected light path.
3. The light beam coupling and control device according to claim 1 or 2, wherein the first moving device is a pneumatic device, the pneumatic device is connected with a gas path, the gas path is connected with an external gas supply device, the gas path is provided with an electromagnetic valve, and the compressed gas in the gas path controls the optical attenuator to move in or out of the main light path in a translation manner.
4. The beam coupling and control device of claim 2, wherein the second moving device is a motor, the mirror is disposed on a support plate, and the motor is connected to the support plate and controls the mirror to rotate into or out of the main optical path through rotation of the motor.
5. The beam coupling and control device of claim 2, wherein the first and second laser beam collectors are connected to a cooling water pipe, and the cooling water pipe is connected to an external water supply device.
6. The beam coupling and control device according to claim 2, wherein a second beam splitter is further disposed in the housing, a power meter is further disposed on an outer surface of the housing, the second beam splitter is disposed on the first beam splitter, the second beam splitter splits the laser light on the first beam splitter into reflected light and transmitted light, the reflected light of the second beam splitter enters the power meter along the second beam splitter, and the transmitted light of the second beam splitter enters the optical-electrical probe along the first beam splitter.
7. The device for coupling and controlling light beams according to claim 6, wherein some or all of the shielding device, the first beam splitter, the second beam splitter, the power attenuation device and the photoelectric probe are disposed on the level adjusting plate.
8. The apparatus according to claim 6, wherein the optical attenuator is a fixed optical attenuator or a tunable optical attenuator, and the optical probe is a high-speed optical probe.
9. The beam coupling and control device of claim 6, wherein the housing comprises an upper cover and a lower shell, the upper cover being connected to an upper end of the lower shell by bolts.
10. The beam coupling and control device of claim 6, wherein an interface board is connected to the side wall of the housing by bolts, and the interface board is provided with an air path connection port and a cable connection port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821398.XU CN210608007U (en) | 2019-10-28 | 2019-10-28 | Light beam coupling and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821398.XU CN210608007U (en) | 2019-10-28 | 2019-10-28 | Light beam coupling and control device |
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| Publication Number | Publication Date |
|---|---|
| CN210608007U true CN210608007U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921821398.XU Active CN210608007U (en) | 2019-10-28 | 2019-10-28 | Light beam coupling and control device |
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| CN (1) | CN210608007U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765967A (en) * | 2020-07-08 | 2020-10-13 | 浙江富春江环保科技研究有限公司 | Laser energy online monitoring and feedback control system and method |
| CN114323570A (en) * | 2020-09-29 | 2022-04-12 | 北京科益虹源光电技术有限公司 | Comprehensive performance testing device for excimer laser |
-
2019
- 2019-10-28 CN CN201921821398.XU patent/CN210608007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765967A (en) * | 2020-07-08 | 2020-10-13 | 浙江富春江环保科技研究有限公司 | Laser energy online monitoring and feedback control system and method |
| CN114323570A (en) * | 2020-09-29 | 2022-04-12 | 北京科益虹源光电技术有限公司 | Comprehensive performance testing device for excimer laser |
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