CN209448206U - A kind of laser - Google Patents
A kind of laser Download PDFInfo
- Publication number
- CN209448206U CN209448206U CN201920040582.4U CN201920040582U CN209448206U CN 209448206 U CN209448206 U CN 209448206U CN 201920040582 U CN201920040582 U CN 201920040582U CN 209448206 U CN209448206 U CN 209448206U
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- CN
- China
- Prior art keywords
- laser
- amplifier
- light beam
- seed
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of laser, this Optical Maser System is a MOPA system, comprising 104, amplifier installations of a seed laser or amplifier 108 and a semiconductor laser 112, semiconductor laser 112 can provide laser beam to seed laser 104 and amplifier 108 simultaneously.The automatic synchronization of seed laser and amplifier operation is supported using single semiconductor laser, because pump energy can be transferred to seed laser and amplifier simultaneously by identical pumping laser pulse.This will further simplify the electronic device of final products, reduce production cost.
Description
Technical field
The utility model relates to a kind of lasers, and specially support seed laser and amplifier operation is autosynchronous
Laser system.
Background technique
In the industries such as telecommunications, laser energy using more and more extensive.Industrial application, scientific research etc..Especially exist
Medical field, laser have been demonstrated useful in surgery and cosmetic surgery.
In beautifying medical application, if removal is tatooed, pigmentation, blood vessel damage, the treatment of scar tissue needs laser
System, in addition to above-mentioned pulse flux and duration the characteristics of, there is extreme stability at any time, it is fast to integrate speed, at
This is low, easy to maintain.Laser solution is proposed in existing literature, it can generate the pulse of subnanosecond grade, energy range
In several hundred millijoules, but its optical texture is very complicated, unstable, and not easy of integration.
Utility model content
The technical issues of the utility model is solved is to provide a kind of for generating a series of laser system of laser pulses
System, to solve the problems in above-mentioned background technique.
The technical problem solved by the utility model is implemented by the following technical solutions:
A kind of laser, it is characterised in that: this Optical Maser System is a MOPA system, including a semiconductor laser
(112), semiconductor laser (112) can launch wavelength be 808nm laser beam, by semiconductor laser (112) transmitting swash
Light beam is transferred to beam splitter (212) by multimode fibre (208), and laser beam is divided into twice light by beam splitter (212)
Beam, respectively the first light beam (220) and the second light beam (224), the first light beam (220) provide laser to seed laser (104)
Beam, the second light beam (224) provide laser beam to amplifier (108).
Semiconductor laser (112) operates in the pulsing mode and generates ability greater than erg-ten, duration less than 0.5
The pulse of millisecond, the pulse duration is between 100 to 200 microseconds.
Beam splitter (212) is cube splitter, partial mirror, high refractive index plate or fibre-optical splice.
Folding mirror (236) are equipped between beam channel between beam splitter (212) and amplifier (108), the
Two light beams (224) pass through folding mirror (236), and folding mirror (236) guides light beam, take out to amplifier (108)
Fortune.
Light is equipped between beam channel between beam splitter (212) and seed laser (104) and amplifier (108)
Beam attenuation device (228).The intensity that the pumping laser of seed laser is passed to using beam attenuator (228) setting, to set
Determine the output burst length of seed laser.In the case where MOPA system needs different output energy, variable attenuation can be used
Device (228) changes the intensity of the pump beam for passing to amplifier (108), so as to change amplification factor and final
The energy of MOPA system output beam.Beam attenuator (228) is arranged through manual operation or feedback transducer, and transmitting is adjusted
It is exported at least one seed laser (104) or the pump laser beam of amplifier (108), and then by the pulse of MOPA system
Energy maintains the grade of needs.
First light beam (220) is passed to seed laser plus first multimode fibre (232) by condenser lens (216)
Device (104).
Second light beam (224) adds second multimode fibre (234) by condenser lens (216), is passed to amplifier
(108)。
The utility model has the following beneficial effects:
MOPA Optical Maser System with single semiconductor laser is lower than Optical Maser System cost before, and the latter's matches
Set the semiconductor laser of the semiconductor laser and independent pumping amplifier that need independent pumping seed laser.It is prior
It is the automatic synchronization of seed laser and amplifier operation to be supported using single semiconductor laser, because of identical pumping laser
Pump energy can be transferred to seed laser and amplifier simultaneously by pulse.This will further simplify the electronics device of final products
Part reduces production cost.
Detailed description of the invention
Fig. 1 is 1 schematic diagram of the embodiments of the present invention；
Fig. 2 is 2 schematic diagram of the embodiments of the present invention.
Specific embodiment
In order to make, the technological means, creation characteristic, workflow, application method of the utility model reach purpose and effect is easy
Understand in understanding, below in conjunction with the utility model embodiment, to the technical scheme in the embodiment of the utility model carry out it is clear,
It 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 implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1: Fig. 1 provides a kind of laser, this Optical Maser System 100 is a MOPA system, includes one kind
104, amplifier installations of sub- laser or amplifier 108 and a semiconductor laser 112.Seed laser 104 passes through
Setting can export pulse laser to amplifier 108.Amplifier 108 is set, and can swash the pulse from seed laser 104
Light amplifies.Semiconductor laser 112 is solid-state laser, and being set can be by laser beam pumping to 104 He of seed laser
Amplifier 108.Semiconductor laser 112 can provide laser beam to seed laser 104 and amplifier 108 simultaneously.116 indicate
MOPA outgoing laser beam.
Embodiment 2, Fig. 2 provide a kind of laser, including a semiconductor laser 112, and semiconductor laser 112 can
Launch wavelength is the laser beam of 808nm, and the laser beam emitted by semiconductor laser 112 is transferred to light by multimode fibre 208
Laser beam is divided into twice light beam, respectively the first light beam 220 and the second light beam 224 by beam divider 212, beam splitter 212,
First light beam 220 provides laser beam to seed laser 104, and the second light beam 224 provides laser beam to amplifier 108.
Semiconductor laser 112 operates in the pulsing mode and generates ability greater than erg-ten, duration less than 0.5 milli
The pulse of second, the pulse duration is between 100 to 200 microseconds.
Beam splitter 212 is cube splitter, partial mirror, high refractive index plate or fibre-optical splice.
Folding mirror 236, the second light beam are equipped between beam channel between beam splitter 212 and amplifier 108
224 pass through folding mirror 236, and folding mirror 236 guides light beam, carry out pumping to amplifier 108.
Beam attenuation is equipped between beam channel between beam splitter 212 and seed laser 104 and amplifier 108
Device 228.The intensity for passing to the pumping laser of seed laser is set using beam attenuator 228, to set seed laser
The output burst length of device.In the case where MOPA system needs different output energy, variable attenuator 228 can be used to change
The intensity of the pump beam of amplifier 108 is passed to, so as to change amplification factor and final MOPA system output beam
Energy.Beam attenuator 228 is arranged through manual operation or feedback transducer, and adjustable at least one seed that is transmitted to swashs
The pump laser beam of light device 104 or amplifier 108, and then the output energy of pulse of MOPA system is maintained to the grade of needs.
First light beam 220 is passed to seed laser 104 plus first multimode fibre 232 by condenser lens 216.
Second light beam 224 adds second multimode fibre 234 by condenser lens 216, is passed to amplifier 108.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range be defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of laser, it is characterised in that: including a semiconductor laser (112), emitted by semiconductor laser (112)
Laser beam be transferred to beam splitter (212) by multimode fibre (208), laser beam is divided into two by beam splitter (212)
Road light beam, respectively the first light beam (220) and the second light beam (224), the first light beam (220) are provided to seed laser (104)
Laser beam, the second light beam (224) provide laser beam to amplifier (108), beam splitter (212) and amplifier (108) it
Between beam channel between be equipped with folding mirror (236), the second light beam (224) pass through folding mirror (236), folding mirror
(236) light beam is guided, pumping is carried out to amplifier (108).
2. a kind of laser according to claim 1, it is characterised in that: beam splitter (212) is cube beam splitting
Device, partial mirror, high refractive index plate or fibre-optical splice.
3. a kind of laser according to claim 1, it is characterised in that: according to claim 1 a kind of sharp
Light device, it is characterised in that: the beam channel between beam splitter (212) and seed laser (104) and amplifier (108)
Between be equipped with beam attenuator (228).
4. a kind of laser according to claim 1, it is characterised in that: the first light beam (220) passes through condenser lens
(216) seed laser (104) are passed to plus first multimode fibre (232).
5. a kind of laser according to claim 1, it is characterised in that: the second light beam (224) passes through condenser lens
(216) second multimode fibre (234) is added, amplifier (108) are passed to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040582.4U CN209448206U (en) | 2019-01-10 | 2019-01-10 | A kind of laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040582.4U CN209448206U (en) | 2019-01-10 | 2019-01-10 | A kind of laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209448206U true CN209448206U (en) | 2019-09-27 |
Family
ID=68016268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920040582.4U Expired - Fee Related CN209448206U (en) | 2019-01-10 | 2019-01-10 | A kind of laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209448206U (en) |
-
2019
- 2019-01-10 CN CN201920040582.4U patent/CN209448206U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190927 Termination date: 20200110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |