CN207588213U - A kind of laser source system - Google Patents
A kind of laser source system Download PDFInfo
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- CN207588213U CN207588213U CN201721811966.9U CN201721811966U CN207588213U CN 207588213 U CN207588213 U CN 207588213U CN 201721811966 U CN201721811966 U CN 201721811966U CN 207588213 U CN207588213 U CN 207588213U
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Abstract
The utility model is related to a kind of laser source system, including：Light-pulse generator, including semiconductor laser and pulse generation circuit, semiconductor laser is used to send out the laser that wavelength is 1550nm and 1064nm；Pulse generation circuit is used to the laser of semiconductor laser exporting pulse laser in a pulsed fashion；Power attenuation control box including the first attenuator and the second attenuator, by the pulse laser that the second single mode optical fiber inputs after the attenuation of the first attenuator, decays using the second attenuator, and the laser after two-stage attenuation is exported by third single mode optical fiber.The utility model laser source system can realize the laser power variation of wider range, adapt to more application scenarios, enhance the flexibility of laser source system by carrying out 23 attenuation.
Description
Technical field
The utility model is related to field of laser device technology, more particularly to a kind of laser source system.
Background technology
Laser can be applied to many fields, the power of the laser that semiconductor laser is sent out be usually it is constant, still
In some applications, it is dynamic change but to need the power that lasing light emitter exports, and just needs the laser exported to lasing light emitter at this time
Carry out power attenuation.However traditional approach has only carried out primary attenuation, the power dynamics range after primary attenuation is smaller, no
Certain application requirements can be met.
Utility model content
The purpose of this utility model is that improving the deficiency in the presence of the prior art, a kind of laser source system is provided.
In order to realize above-mentioned purpose of utility model, the utility model embodiment provides following technical scheme：
A kind of laser source system, including：Light-pulse generator, including semiconductor laser and pulse generation circuit, semiconductor
Laser is used to send out the laser that wavelength is 1550nm and 1064nm；Pulse generation circuit is used for semiconductor laser
Laser exports pulse laser in a pulsed fashion；
Two first single mode optical fibers, for the pulse laser of two kinds of wavelength that light-pulse generator is sent out to be transmitted to power respectively
Adjustable attenuation box；
FC/APC is to inserting conversion head, for connecting the first single mode optical fiber and the second single mode optical fiber, the connection of the second single mode optical fiber
In the input terminal of power attenuation control box, FC/APC realizes the switching of different wave length laser to inserting conversion head；
The power attenuation control box including the first attenuator and the second attenuator, is inputted by the second single mode optical fiber
Pulse laser is decayed after the attenuation of the first attenuator using the second attenuator, and the laser after two-stage attenuation passes through third list
Mode fiber exports.
In the embodiment more optimized, power attenuation control box further includes collimation lens and condenser lens, the second single mode
The collimated lens of pulse laser of optical fiber input input the first attenuator after being collimated and decay, and decay through the second attenuator
Laser afterwards exports to condenser lens and realizes focusing, then export by third single mode optical fiber.
In the embodiment more optimized, power attenuation control box further includes third attenuator, declines by the second attenuator
Laser output such as third attenuator, the laser after the attenuation of mirror third attenuator after subtracting are exported by third single mode optical fiber.
In the embodiment more optimized, the first attenuator, the second attenuator, third attenuator are removable installed in
On one driving turntable.
In the embodiment more optimized, further include PC machine, for pulse generation circuit output pulse pulsewidth into
Row is adjusted.
Compared with prior art, the beneficial effects of the utility model：
Decayed by carrying out 2-3 times, can realize the laser power variation of wider range, adapt to more application scenarios,
Enhance the flexibility of laser source system.
Input laser is collimated by collimation lens, is more advantageous to decaying to input laser, fully by institute
Some laser is all decayed.The laser after attenuation is focused by condenser lens, laser is more advantageous to and fully enters
It is exported in three single mode optical fibers.
By setting third attenuator, it can realize that three-level decays, it can further expansion of laser light compared to two-stage attenuation
Changed power range adapts to wider application scenarios.
Each attenuator is removable installed on driving turntable, it can be according to current specific usage scenario, selection
Wherein one or two or three attenuators are dismantled to property, use is more flexible.
Pulsewidth is configured by PC machine, can need to set corresponding pulsewidth according to specific application, compared to going out
The fixed pulse width given tacit consent to before factory, more flexibility.
Description of the drawings
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of laser source system that the utility model embodiment provides.
Fig. 2 is the laser power variation schematic diagram realized using laser source system described in Fig. 1.
Description of symbols in figure
Light-pulse generator 100；First single mode optical fiber 301；FC/APC is to inserting conversion head 400；Second single mode optical fiber 302；Collimation
Lens 500；First attenuator 601；Second attenuator 602；Condenser lens 700；Third single mode optical fiber 303；Drive turntable 800；
PC machine 900.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiment of the utility model provided in the accompanying drawings is not intended to limit below
Claimed the scope of the utility model, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's all other embodiments obtained under the premise of creative work is not made, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.It is meanwhile new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
Referring to Fig. 1, a kind of laser source system provided in the present embodiment, including light-pulse generator 100, single mode optical fiber,
Power attenuation control box.Wherein,
Light-pulse generator 100 includes semiconductor laser and pulse generation circuit, and semiconductor laser is for sending out wavelength
The laser of 1550nm and 1064nm；Pulse generation circuit is used in a pulsed fashion export the laser of semiconductor laser
Pulse laser.
Single mode optical fiber includes two first single mode optical fibers, 301, second optical fiber, a third optical fiber, and two first single
One end of mode fiber 301 is connect with light-pulse generator, and the other end is connect with FC/APC to inserting conversion head 400, inserts conversion head connection one
Secondary connect with first single mode optical fiber 301 therein, and FC/APC connects the second single mode optical fiber to inserting 400 other end of conversion head
302,302 other end of the second single mode optical fiber is connected to the input terminal of power attenuation control box, and FC/APC is realized to inserting conversion head 400
The switching of different wave length laser；The pulse laser of two kinds of wavelength that light-pulse generator is sent out is passed through into the first single mode optical fiber 301, second
Single mode optical fiber 302 is transmitted to power attenuation control box.
The power attenuation control box including the first attenuator 601, the second attenuator 602, collimation lens 500 and focuses on
Lens 700, after the collimated lens 500 of pulse laser inputted by the second single mode optical fiber 302 are collimated, the first attenuation of input
Device 601 is once decayed, and carries out secondary extinction using the second attenuator 602, the laser after two-stage attenuation is exported to focusing
Lens 700, which are realized, to be focused on, then exported by third single mode optical fiber 303.
As shown in Fig. 2, maximum peak power 40mw, minimum peak power can be realized using above-mentioned laser source system
13X10-4mw。
In the embodiment more optimized, power attenuation control box further includes third attenuator, declines by the second attenuator
Laser output such as third attenuator, the laser after the attenuation of mirror third attenuator after subtracting are exported by single mode optical fiber.Pass through three-level
Attenuation can further expansion of laser light power dynamic range, adapt to more application scenarios.
It, can be by the first attenuator, the second attenuator, third attenuator removably in the embodiment more optimized
It is set on a driving turntable 800, according to specific application scenarios needs, can select to decline using only wherein one or two
Subtract device or three attenuators use simultaneously.
In the embodiment more optimized, PC machine 900 is further included, for the pulsewidth of the output pulse to pulse generation circuit
It is adjusted, such as generates the pulse output of maximum 1MHZ, minimum pulse width 1ns, to adapt to different demands.
The above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in the technical scope that any one skilled in the art discloses in the utility model, variation can be readily occurred in
Or replace, it should be covered within the scope of the utility model.
Claims (5)
1. a kind of laser source system, which is characterized in that including：
Light-pulse generator, including semiconductor laser and pulse generation circuit, semiconductor laser is 1550nm for sending out wavelength
With the laser of 1064nm；Pulse generation circuit swashs for the laser of semiconductor laser to be exported pulse in a pulsed fashion
Light；
Two first single mode optical fibers, for the pulse laser of two kinds of wavelength that light-pulse generator is sent out to be transmitted to power attenuation respectively
Control box；
FC/APC is connected to work(to inserting conversion head, for connecting the first single mode optical fiber and the second single mode optical fiber, the second single mode optical fiber
The input terminal of rate adjustable attenuation box, FC/APC realize the switching of different wave length laser to inserting conversion head；
The power attenuation control box, including the first attenuator and the second attenuator, the pulse inputted by the second single mode optical fiber
Laser is decayed after the attenuation of the first attenuator using the second attenuator, and the laser after two-stage attenuation passes through third single-mode optics
Fibre output.
2. laser source system according to claim 1, which is characterized in that power attenuation control box further includes collimation lens
And condenser lens, the collimated lens of pulse laser that the second single mode optical fiber inputs input the first attenuator after being collimated and decline
Subtract, the laser after the attenuation of the second attenuator, which is exported to condenser lens, realizes focusing, then export by third single mode optical fiber.
3. laser source system according to claim 1, which is characterized in that power attenuation control box further includes third attenuation
Device, for the laser output after the attenuation of the second attenuator such as third attenuator, laser after the attenuation of mirror third attenuator passes through the
Three single mode optical fibers export.
4. laser source system according to claim 3, which is characterized in that the first attenuator, the second attenuator, third decline
Subtract device to be removable installed on a driving turntable.
5. laser source system according to claim 1, which is characterized in that PC machine is further included, for generating electricity to pulse
The pulsewidth of the output pulse on road is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721811966.9U CN207588213U (en) | 2017-12-22 | 2017-12-22 | A kind of laser source system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721811966.9U CN207588213U (en) | 2017-12-22 | 2017-12-22 | A kind of laser source system |
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| CN207588213U true CN207588213U (en) | 2018-07-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946899A (en) * | 2017-12-22 | 2018-04-20 | 成都心无界光电技术有限公司 | A kind of laser source system |
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2017
- 2017-12-22 CN CN201721811966.9U patent/CN207588213U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946899A (en) * | 2017-12-22 | 2018-04-20 | 成都心无界光电技术有限公司 | A kind of laser source system |
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