CN207853169U - A kind of pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling - Google Patents
A kind of pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling Download PDFInfo
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- CN207853169U CN207853169U CN201820331636.8U CN201820331636U CN207853169U CN 207853169 U CN207853169 U CN 207853169U CN 201820331636 U CN201820331636 U CN 201820331636U CN 207853169 U CN207853169 U CN 207853169U
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- fiber coupling
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Abstract
The pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling that the utility model discloses a kind of, including be arranged in order pumping source, focus lamp, adjust Q module, outgoing mirror and power meter；The pumping source is semiconductor pumping sources；The focus lamp includes lens barrel and the interface mounted on lens barrel head end, and interface connects pumping source by optical fiber；In lens barrel the first meniscus lens, the second meniscus lens, planoconvex spotlight, third meniscus lens, biconvex lens and the 4th meniscus lens are respectively arranged with along radiation direction；It is 1 that the lens group being made of six lens, which can control focal beam spot and the ratio of fibre diameter,:1, and effectively correct spherical aberration, aberration, off-axis astigmatism, coma and the distortion of laser.
Description
Technical field
The utility model is related to solid state laser field more particularly to a kind of pulses semiconductor pumped based on fiber coupling
Solid state laser experimental system.
Background technology
Diode pumped solid state laser (Diode Pump Solid State Laser) is a kind of to use semiconductor laser
The laser of device pumped solid laser material.Diode pumped solid state laser have developed rapidly in the world in recent years, in optic communication,
Laser medicine etc. extensive application.But there is general semiconductor laser in the prior art hot spot to be unevenly distributed
Defect.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of novel arteries and veins semiconductor pumped based on fiber coupling
Solid state laser experimental system is rushed, the hot spot of laser is concentrated.
In order to solve the above technical problems, the technical solution adopted in the utility model is：One kind being based on fiber coupling semiconductor
The pulsed solid stale laser experimental system of pumping, including be arranged in order：
Pumping source, the pumping source are semiconductor pumping sources；
Focus lamp, the focus lamp include lens barrel and the interface mounted on lens barrel head end, and interface is connected by optical fiber and pumped
Source；It is saturating that along radiation direction the first meniscus lens, the second meniscus lens, planoconvex spotlight, third bent moon are respectively arranged in lens barrel
Mirror, biconvex lens and the 4th meniscus lens；The ratio of focal beam spot and fibre diameter is controlled by the lens group that six lens form
It is 1:1, and effectively correct spherical aberration, aberration, off-axis astigmatism, coma and the distortion of laser；
Q module is adjusted, using saturable absorber Cr4+:YAG is as crystal；
Outgoing mirror；
Power meter measures laser output power, convenient for calculating the transformation efficiency of laser.
Further, the interface is socketed in the head end of lens barrel, and the surface of interface is provided with screw hole, the surface pair of lens barrel
The position of screw hole is answered to be provided with elongated slot；Screw is fastened in screw hole and interface can be fixed on lens barrel, elongated slot is used for
Finely tune the specific location of interface.
Specifically, by spacer ring interval between lens all in lens barrel, for spacer ring for fixing all lens, control is saturating
Mirror is between lens at a distance from setting.
Further, it is provided with laser gain module between the focus lamp and tune Q module.
Further, it is provided with a times frequency module between the laser gain module and tune Q module.
Further, it is provided with filtering apparatus between the outgoing mirror and power meter.
Specifically, the outgoing mirror is concave mirror.
Advantageous effect：(1) pumping source of the laser experiments device of the utility model is exported using fiber coupling, effectively
Improve the intensity distribution of pump light；The ratio of the lens group control focal beam spot and fibre diameter that are made of six lens is 1:1,
Spherical aberration, aberration, off-axis astigmatism, coma and the distortion for effectively correcting laser, improve the peak power of hot spot unit area.(2)
The laser experiments device of the utility model uses separate design, and pumping source, resonant cavity, working-laser material, laser Q-switching are brilliant
Body and laser frequency doubling crystal are respectively independent, can facilitate teaching with independent operation.
Description of the drawings
Fig. 1 is the structural schematic diagram of 1 laser experiments device of embodiment.
Fig. 2 is the structural schematic diagram of focus lamp.
Wherein：1, pumping source；2, focus lamp；201, lens barrel；202, interface；203, the first meniscus lens；204, second is curved
Month lens；205, planoconvex spotlight；206, third meniscus lens；207, biconvex lens；208, the 4th meniscus lens；209, spacer ring；
3, laser gain module；4, times frequency module；5, Q module is adjusted；6, outgoing mirror；7, filtering apparatus；8, power meter.
Specific implementation mode
The utility model is described in further detail With reference to embodiment.
Embodiment 1
As shown in Figure 1, the pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling of the present embodiment, packet
It includes and is arranged in order：
Pumping source 1, the pumping source 1 are semiconductor pumping sources 1, laser power 2.5W, optical maser wavelength 808nm；
Focus lamp 2, as shown in Fig. 2, focus lamp 2 includes lens barrel 201 and the interface 202 mounted on 201 head end of lens barrel, interface
202 connect pumping source 1,105 μm of fibre core diameter by optical fiber；In lens barrel 201 first is respectively arranged with along radiation direction
Meniscus lens 203, the second meniscus lens 204, planoconvex spotlight 205, third meniscus lens 206, biconvex lens 207 and the 4th bent moon
Lens 208；Be spaced by spacer ring 209 between all lens, spacer ring 209 for fixing all lens, control lens with thoroughly
Distance in setting between mirror；The interface 202 is socketed in the head end of lens barrel 201, and the surface of interface 202 is provided with screw
Hole, the position that the surface of lens barrel 201 corresponds to screw hole are provided with elongated slot；Screw is fastened in screw hole can be by interface 202
It is fixed on lens barrel 201, elongated slot is used to finely tune the specific location of interface 202；
Laser gain module 3, using neodymium-doped yttrium-aluminum garnet (Nd:YAG it) is used as operation material, carrys out the wave of self-focus lens 2
The laser of a length of 808nm focuses on operation material, and it is the laser of 1064nm that can excite generation wavelength；
Times frequency module 4 is used as operation material, crystal that can rotate, look for around laser propagation direction using potassium titanium oxide phosphate (KTP)
It can so that laser is with maximum power output in resonant cavity after to II classes matching angle；
Q module 5 is adjusted, using saturable absorber Cr4+:YAG is as crystal；
Outgoing mirror 6, the outgoing mirror 6 are concave mirror, and the transmitance for the laser that wavelength is 1064nm is 3%-10%；
Filtering apparatus 7, using short wave pass filter as filtering apparatus 7, to obtain the wavelength after more single frequency multiplication
It is exported for the laser of 532nm；
Power meter 8 measures laser output power, convenient for calculating the transformation efficiency of laser.
It is 105 μm that focus lamp 2, which focuses on the spot diameter on laser gain module 3, the lens group being made of six lens
The ratio for controlling focal beam spot and fibre diameter is 1:1, and effectively correct the spherical aberration of laser, aberration, off-axis astigmatism, coma and abnormal
Become.
Although the embodiment of the utility model is illustrated in specification, these embodiments are intended only as carrying
Show, should not limit the scope of protection of the utility model.Various omissions are carried out in the range of not departing from the utility model aims, are set
It changes and change should be included in the scope of protection of the utility model.
Claims (7)
1. a kind of pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling, it is characterised in that including arranging successively
Row：
Pumping source, the pumping source are semiconductor pumping sources；
Focus lamp, the focus lamp include lens barrel and the interface mounted on lens barrel head end, and interface connects pumping source by optical fiber；Mirror
In cylinder the first meniscus lens, the second meniscus lens, planoconvex spotlight, third meniscus lens, double is respectively arranged with along radiation direction
Convex lens and the 4th meniscus lens；
Adjust Q module；
Outgoing mirror；
Power meter.
2. the pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling according to claim 1, special
Sign is：The interface is socketed in the head end of lens barrel, and the surface of interface is provided with screw hole, and the surface of lens barrel corresponds to screw hole
Position is provided with elongated slot.
3. the pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling according to claim 2, special
Sign is：Pass through spacer ring interval in lens barrel between all lens.
4. the pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling according to claim 3, special
Sign is：It is provided with laser gain module between the focus lamp and tune Q module.
5. the pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling according to claim 4, special
Sign is：It is provided with a times frequency module between the laser gain module and tune Q module.
6. the pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling according to claim 5, special
Sign is：It is provided with filtering apparatus between the outgoing mirror and power meter.
7. the pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling according to claim 6, special
Sign is：The outgoing mirror is concave mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820331636.8U CN207853169U (en) | 2018-03-12 | 2018-03-12 | A kind of pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820331636.8U CN207853169U (en) | 2018-03-12 | 2018-03-12 | A kind of pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207853169U true CN207853169U (en) | 2018-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820331636.8U Active CN207853169U (en) | 2018-03-12 | 2018-03-12 | A kind of pulsed solid stale laser experimental system semiconductor pumped based on fiber coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207853169U (en) |
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2018
- 2018-03-12 CN CN201820331636.8U patent/CN207853169U/en active Active
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