CN203674546U - Anemometer-used fiber laser with four outputs of 808nm, 1064nm and dual 1319nm wavelengths - Google Patents
Anemometer-used fiber laser with four outputs of 808nm, 1064nm and dual 1319nm wavelengths Download PDFInfo
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- CN203674546U CN203674546U CN201320659425.4U CN201320659425U CN203674546U CN 203674546 U CN203674546 U CN 203674546U CN 201320659425 U CN201320659425 U CN 201320659425U CN 203674546 U CN203674546 U CN 203674546U
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Abstract
The utility model provides an anemometer-used fiber laser with four outputs of 808nm, 1064nm and dual 1319nm wavelengths. A multi-mode pumping semiconductor module group emits 808nm pumping light, and the 808nm pumping light is coupled to a transmission optical fiber and outputted in two paths. In the right path, a pumping right optical fiber radiates 1319nm photons, and the 1319nm photons are amplified in a right optical fiber resonant cavity to generate two paths of 1319nm laser, wherein one path outputs 1319nm laser through a 1319nm output lens, while the other path also outputs 1319nm laser through a 1319nm output lens, forming dual 1319nm laser outputs. In the left path, a pumping left optical fiber radiates 1064nm photons, and the 1064nm photons are amplified in a 1064nm optical fiber resonant cavity to generate two paths of 1064nm laser, wherein one path outputs 1064nm laser through an output lens, while the other path directly outputs 808nm laser. Thus, the anemometer-used fiber laser has four outputs of 808nm, 1064nm and dual 1319nm wavelengths.
Description
Technical field: laser and wind-powered electricity generation applied technical field.
Technical background:
808nm and 1064nm and two 1319nm wavelength laser, the laser for application such as spectral detection, lasing light emitter, instrumental analysis for anemobiagraph, it can be used as the using light sources such as the anemobiagraph analyzing and testing of Fibre Optical Sensor, and it is also for the laser such as optical communication and optoelectronic areas; The laser product of different frequency range, multi-wavelength is few, but application constantly expands with range of needs.
Summary of the invention:
Four end output 808nm and 1064nm and two 1319nm long wavelength fiber laser for a kind of anemobiagraph, it is by multimode pumping semiconductor module group transmitting 808nm pump light, be coupled to both-end output in Transmission Fibers: right wing, the right optical fiber radiation 1319nm of pumping photon amplifies in right fiber resonance cavity, both-end output 1319nm laser, one tunnel is through 1319nm outgoing mirror output 1319nm laser, equally, another road also, through 1319nm outgoing mirror output 1319nmnm laser, forms two 1319nm laser; Left road, the left optical fiber radiation 1064nm of pumping photon amplifies in 1064nm fiber resonance cavity, produce 1064nm laser, a road is through outgoing mirror output wavelength 1064nm, and 808nm laser is directly exported on another road, thus, four end output 808nm and 1064nm and two 1319nm wavelength laser.
Four end output 808nm and 1064nm and pair 1319nm long wavelength fiber laser structure for the present invention program one, a kind of anemobiagraph.
It is coupled in both-end output individual layer 808nm pump light Transmission Fibers through fiber coupler by semiconductor module group transmitting 808nm pump light, and both-end output individual layer 808nm Transmission Fibers is from its two ends, left and right output.
Right wing, 808nm pump light, be coupled to through fiber coupler between the interior surrounding layer of double clad Nd3+:YAG single crystal fiber, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, pump light carrys out back reflective between inner cladding and surrounding layer, repeatedly be absorbed through fiber core with single-mold, fiber core with single-mold Nd3+: ion energy-absorbing generation energy level transition, radiation 1319nm photon, its amplification of vibrating in the laserresonator being formed by left fiber-optic output and right fiber-optic output, form the output of 1319nm laser dual-end, one end enters the left 1319nm outgoing mirror output of 1319nm optical fiber, again through 1319nm beam expanding lens and 1319nm focus lamp output 1319nm laser, the other end enters the right 1319nm outgoing mirror output of 1319nm optical fiber, again through 1319nm optical fiber beam expansion mirror and 1319nm optical fiber focus lamp output 1319nm laser.
Left road, the left fiber coupler of 808nm pump light, be coupled to left double clad Nd3+:YAG single crystal fiber input, it enters into it and enters between the inside and outside double clad of left double clad Nd3+:YAG single crystal fiber, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, pump light carrys out back reflective between inner cladding and surrounding layer, repeatedly be absorbed through fiber core with single-mold, fiber core with single-mold Nd3+: ion energy-absorbing generation energy level transition, radiation 1064nm photon, in the resonant cavity of left double clad Nd3+:YAG single crystal fiber input and output composition, amplify, produce 1064nm laser, one end output 1064nm laser, one end enters outgoing mirror output 1064nm, fiber-optic output and outgoing mirror composition frequency doubling cavity, export through 1064nm outgoing mirror, again through 1064nm beam expanding lens and 1064nm focus lamp output 1064nm laser, other end output 808nm laser enters 808nm outgoing mirror, 808nm beam expanding lens, 808nm focus lamp output 808nm laser, form output 1064nm laser, with output 808nm laser.
Form thus left and right Lu Siduan output 808nm and 1064nm and two 1319nmmm tetra-wavelength lasers.
The present invention program two, the optical fiber plan of establishment.
Pumping optical fiber: adopt both-end output individual layer 808nm pump light Transmission Fibers, optical fiber is designed to annular, and its intermediate ends arranges coupler, two ends output.
Right wing optical fiber, adopt double clad Nd3+:YAG single crystal fiber, the inhomogeneous broadening that its glass matrix division forms causes absorption band wider, be that glass optical fiber is wide to the crystalline phase matching range of incident pump light, the cladding pumping technology that adopts doubly clad optical fiber, doubly clad optical fiber is made up of four levels: 1. fiber cores, 2. inner cladding, 3. surrounding layer, 4. protective layer, adopt cladding pumping technology as follows, adopt one group of multimode pumping semiconductor module group to send pump light, to be coupled between inner cladding and surrounding layer through fiber coupler, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, pump light carrys out back reflective between inner cladding and surrounding layer, repeatedly be absorbed through fiber core with single-mold, fiber core with single-mold Nd3+: ion energy-absorbing generation energy level transition, radiation 1319nm photon, right fiber-optic output plates 1319nm wavelength light T=5% reflectivity film, fiber-optic output plates the reflectivity film to 1319nm wavelength light T=6%, optical fiber two ends form resonant cavity, optical fiber is designed to annular, its medial end portions coupler.
Left road optical fiber, identical with right wing fiber body, difference is, plated film difference.
The present invention program three, plated film scheme arrange.
Pumping optical fiber: plating 808nm high-transmission rate film.
1319nm fiber-optic output mirror: the reflectivity film of plating to 1319nm wavelength light T=6%.
Left 1319nm output eyeglass, the anti-reflection film of plating 1319nm wavelength light.
Right 1319nm output eyeglass, the anti-reflection film of plating 1319nm wavelength light.
The left 1064nm fiber-optic output mirror of 1064nm optical fiber: the reflectivity film of plating to 1064nm wavelength light T=6%, plating is to 808nm wavelength light high reflection film.
1064nm goes out eyeglass, the anti-reflection film of plating 1064nm wavelength light, and plating is to 1064nm wavelength light high reflection film.
The right 808nm fiber-optic output of 1064nm optical fiber mirror: plating is to 808nm wavelength light T=5% reflectivity film, and plating is to 1064nm wavelength light high reflection film.
808nm goes out eyeglass, and plating is to 808nm wavelength light high-transmission rate film.
The present invention program four, application scheme.
Two ends, left and right Output of laser, implements acted as reference mutual, flashlight, seed light each other each other, and output simultaneously, avoids interfering.
Core content of the present invention:
1. semiconductor module is set, by semiconductor module Power supply, output 808nm wavelength pump light, coupler is set on semiconductor module, pumping optical fiber is set on coupler, by coupler, 808nm wavelength pumping optical coupling is entered to pumping optical fiber, pumping optical fiber be set be upwards bilateral output end mirror structure in the same way of annular both sides, it is pumping optical fiber bilateral output end mirror structure in the same way, arrange and form bilateral 808nm Laser output by the right output end mirror of pumping optical fiber and the left output end mirror of pumping optical fiber, on pumping optical fiber bilateral output end mirror, 1319 optical fiber and 1064 optical fiber are set respectively.
Right wing, on the right output end mirror of pumping optical fiber, right coupler is set, the optical fiber of 1319nm wavelength is set on right coupler, the optical fiber of 1319nm wavelength is set to upwards bilateral output end mirror structure in the same way of annular both sides, by the be of coupled connections optical fiber of the right output end mirror of pumping optical fiber and 1319nm wavelength of right coupler, pump light 808nm laser enters 1319nm long wavelength fiber through left coupler, right output end mirror and left output end mirror that the optical fiber of 1319nm wavelength is set are: the fiber resonance cavity that wavelength 1319nm infrared light occurs, form the output of 1319nm infrared light, the top of the left end output end mirror of 1319nm optical fiber sets gradually: 1319nm outgoing mirror, 1319nm beam expanding lens expands the focus lamp with 1319nm, expand the laser with focus lamp output 1319nm through beam expanding lens, equally, the top of the right-hand member output end mirror of 1319nm optical fiber sets gradually: 1319nm outgoing mirror, 1319nm beam expanding lens and 1319nm focus lamp, expand the laser with focus lamp output 1319nm through beam expanding lens, form two 1319nm Laser outputs.
Left road, on the right output end mirror of pumping optical fiber, left coupler is set, the optical fiber of 1064nm wavelength is set on left coupler, the optical fiber of 1064nm wavelength is set to upwards bilateral output end mirror structure in the same way of annular both sides, by the be of coupled connections optical fiber of 1064nm wavelength of left coupler, pump light 808nm laser enters 1064nm long wavelength fiber through left coupler, right output end mirror and left output end mirror that the optical fiber of 1064nm wavelength is set are: the fiber resonance cavity that wavelength 1064nm infrared light occurs, form 1064nm laser, the left end output end mirror of 1064nm optical fiber is set to 1064nm outgoing mirror, its top sets gradually: 1064nm outgoing mirror, 1064nm beam expanding lens expands the focus lamp with 1064nm, 1064nm wavelength is through 1064 outgoing mirror output 1064nm laser, expand the laser with focus lamp output 1064nm through beam expanding lens, the right-hand member output end mirror of 1064nm optical fiber is set to 808nm outgoing mirror, its top sets gradually: 808nm outgoing mirror, 808nm beam expanding lens, 808nm focus lamp.
You Zuo tetra-tunnels form 808nm, 1064nm and the four wavelength laser outputs of two 1319nm laser, that is form 808nm, 1064nm and two 1319nm laser four long wavelength fiber lasers.
2. plated film scheme arranges.
1319nm optical fibre optical fibre output end mirror: the reflectivity film of plating to 1319nm wavelength light T=6%.
Left 1319nm output eyeglass, the anti-reflection film of plating 1319nm wavelength light.
Right 1319nm output eyeglass, the anti-reflection film of plating 1319nm wavelength light.
The left fiber-optic output mirror of 1064nm optical fiber: the reflectivity film of plating to 1064nm wavelength light T=6%, plating is to 1064nm wavelength light high reflection film.
1064nm goes out eyeglass, the anti-reflection film of plating 1064nm wavelength light, and plating is to 808nm wavelength light high reflection film.
The right fiber-optic output mirror of 1064nm optical fiber: plating is to 808nm wavelength light T=5% reflectivity film, and plating is to 1064nm wavelength light high reflection film.
808nm goes out eyeglass, and plating is to 808nm wavelength light high-transmission rate film.
3. You Zuo tetra-tunnels form 808nm, 1064nm and export with two 1319nm laser four wavelength lasers, and they can acted as reference mutual, can intersect for signal source, realizes run-in synchronism, avoids interfering.
Accompanying drawing explanation:
Accompanying drawing is structure chart of the present invention, below in conjunction with accompanying drawing, the course of work is once described.
Accompanying drawing is wherein: 1, semiconductor module, 2, coupler, 3, pumping optical fiber, 4, the right output end mirror of pumping optical fiber, 5, right wing coupler, 6, 1319nm optical fiber, 7, the left output end mirror of 1319nm optical fiber, 8, the right output end mirror of 1319nm optical fiber, 9, 1319nm outgoing mirror, 10, 1319nm beam expanding lens, 11, 1319nm focus lamp, 12, 1319nm Laser output, 13, 1319nm beam expanding lens, 14, 1319nm focus lamp, 15, 1319nm Laser output, 16, 1319nm outgoing mirror, 17, 808nm Laser output, 18, 808 focus lamps, 19, 808nm outgoing mirror, 20, 808nm beam expanding lens, 21, the right output end mirror of 1064nm optical fiber, 22, 1064nm Laser output, 23, 1064nm focus lamp, 24, 1064nm beam expanding lens, 25, 1064nm outgoing mirror, 26, the left output end mirror of 1064nm optical fiber, 27, 1064nm optical fiber, fan, 28, left coupler, 29, the left output end mirror of pumping optical fiber, 30, fan, 31, semiconductor module block power supply, 32, optical rail and ray machine tool.
Embodiment:
Right wing, on the right output end mirror 4 of pumping optical fiber, right coupler 5 is set, on right coupler 5,1319nm optical fiber 6 is set, 1319nm optical fiber 6 is set to upwards bilateral output end mirror structure in the same way of annular both sides, by right coupler 5 the be of coupled connections right output end mirror of pumping optical fiber 4 and 1319nm optical fiber 6, pump light 808nm laser enters 1319nm long wavelength fiber through left coupler 5, the right output end mirror 7 that 1319nm optical fiber is set with left output end mirror 8 is: the fiber resonance cavity that wavelength 1319nm infrared light occurs, form the output of 1319nm infrared light, the top of the right output end mirror 8 of 1319nm optical fiber sets gradually: 1319nm outgoing mirror 9, 1319nm beam expanding lens 10 and 1319nm focus lamp 11, expand and focus lamp output 1319nm laser 12 through beam expanding lens, equally, the top of the left end output end mirror of 1319nm optical fiber sets gradually: 1319nm outgoing mirror 16, 1319nm beam expanding lens 13 and 1319nm focus lamp 14, expand and focus lamp output 1319nm laser 15 through beam expanding lens, form two 1319nm laser.
Left road, on the right output end mirror of pumping optical fiber, left coupler is set, the optical fiber of 1064nm wavelength is set on left coupler, the optical fiber of 1064nm wavelength is set to upwards bilateral output end mirror structure in the same way of annular both sides, by the be of coupled connections optical fiber of 1064nm wavelength of left coupler, pump light 808nm laser enters 1064nm long wavelength fiber through left coupler, right output end mirror and left output end mirror that the optical fiber of 1064nm wavelength is set are: the fiber resonance cavity that wavelength 1064nm infrared light occurs, form the output of 1064nm infrared light, the top of the left end output end mirror 26 of 1064nm optical fiber sets gradually: 1064nm outgoing mirror 25, 1064nm beam expanding lens and 1064nm focus lamp, 1064nm wavelength is exported 1064nm laser 22 through 1064nm outgoing mirror 25, expand and focus lamp output 1064nm laser 22 through beam expanding lens, the right-hand member output end mirror 21 of 1064nm optical fiber is set to 808nm outgoing mirror, its top sets gradually: 808nm outgoing mirror 19, 808nm beam expanding lens 20, 808nm focus lamp 18, output 808nm Laser output 17.
You Zuo tetra-tunnels form 808nm, 1064nm, the four wavelength laser outputs of two 1319nm laser, that is form the two 1319nm laser four long wavelength fiber lasers of 808nm, 1064nm.
Except semiconductor module group power supply, above-mentioned whole devices all install on optical rail and ray machine tool 32, implemented by fan 30 air-cooled, composition output 808nm, 1064nm, two 1319nm laser four long wavelength fiber lasers.
Claims (3)
1. four end output 808nm and 1064nm and pair 1319nm long wavelength fiber laser for an anemobiagraph, it is characterized in that: semiconductor module is set, by semiconductor module Power supply, output 808nm wavelength pump light, coupler is set on semiconductor module, pumping optical fiber is set on coupler, by coupler, 808nm wavelength pumping optical coupling is entered to pumping optical fiber, pumping optical fiber be set be upwards bilateral output end mirror structure in the same way of annular both sides, it is pumping optical fiber bilateral output end mirror structure in the same way, arrange and form bilateral 808nm Laser output by the right output end mirror of pumping optical fiber and the left output end mirror of pumping optical fiber, on pumping optical fiber bilateral output end mirror, 1319 optical fiber and 1064 optical fiber are set respectively, right wing, on the right output end mirror of pumping optical fiber, right coupler is set, the optical fiber of 1319nm wavelength is set on right coupler, the optical fiber of 1319nm wavelength is set to upwards bilateral output end mirror structure in the same way of annular both sides, by the be of coupled connections optical fiber of the right output end mirror of pumping optical fiber and 1319nm wavelength of right coupler, pump light 808nm laser enters 1319nm long wavelength fiber through left coupler, right output end mirror and left output end mirror that the optical fiber of 1319nm wavelength is set are: the fiber resonance cavity that wavelength 1319nm infrared light occurs, form the output of 1319nm infrared light, the top of the left end output end mirror of 1319nm optical fiber sets gradually: 1319nm outgoing mirror, 1319nm beam expanding lens expands the focus lamp with 1319nm, expand the laser with focus lamp output 1319nm through beam expanding lens, equally, the top of the right-hand member output end mirror of 1319nm optical fiber sets gradually: 1319nm outgoing mirror, 1319nm beam expanding lens expands the focus lamp with 1319nm, expand the laser with focus lamp output 1319nm through beam expanding lens, form two 1319nm Laser outputs, left road, on the right output end mirror of pumping optical fiber, left coupler is set, the optical fiber of 1064nm wavelength is set on left coupler, the optical fiber of 1064nm wavelength is set to upwards bilateral output end mirror structure in the same way of annular both sides, by the be of coupled connections optical fiber of 1064nm wavelength of left coupler, pump light 808nm laser enters 1064nm long wavelength fiber through left coupler, right output end mirror and left output end mirror that the optical fiber of 1064nm wavelength is set are: the fiber resonance cavity that wavelength 1064nm infrared light occurs, form 1064nm laser, the left end output end mirror of 1064nm optical fiber is set to 1064nm outgoing mirror, its top sets gradually: 1064nm outgoing mirror, 1064nm beam expanding lens expands the focus lamp with 1064nm, 1064nm wavelength is through 1064 outgoing mirror output 1064nm laser, expand the laser with focus lamp output 1064nm through beam expanding lens, the right-hand member output end mirror of 1064nm optical fiber is set to 808nm outgoing mirror, its top sets gradually: 808nm beam expanding lens, 808nm outgoing mirror, 808nm focus lamp, You Zuo tetra-tunnels form 808nm, 1064nm and the four wavelength laser outputs of two 1319nm laser, that is form 808nm, 1064nm and two 1319nm laser four long wavelength fiber lasers.
2. four end output 808nm and 1064nm and two 1319nm long wavelength fiber laser for a kind of anemobiagraph according to claim 1, it is characterized in that: 1319nm optical fibre optical fibre output end mirror: the reflectivity film of plating to 1319nm wavelength light T=6%, left 1319nm output eyeglass, the anti-reflection film of plating 1319nm wavelength light, right 1319nm output eyeglass, the anti-reflection film of plating 1319nm wavelength light, the left fiber-optic output mirror of 1064nm optical fiber: the reflectivity film of plating to 1064nm wavelength light T=6%, plating is to 1064nm wavelength light high reflection film, 1064nm goes out eyeglass, the anti-reflection film of plating 1064nm wavelength light, plating is to 808nm wavelength light high reflection film, the right fiber-optic output mirror of 1064nm optical fiber: plating is to 808nm wavelength light T=5% reflectivity film, plating is to 1064nm wavelength light high reflection film, 808nm goes out eyeglass, plating is to 808nm wavelength light high-transmission rate film.
3. four end output 808nm and 1064nm and two 1319nm long wavelength fiber laser for a kind of anemobiagraph according to claim 1, is characterized in that: You Zuo tetra-tunnels form 808nm, 1064nm and the four wavelength laser outputs of two 1319nm laser.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320659425.4U CN203674546U (en) | 2013-10-22 | 2013-10-22 | Anemometer-used fiber laser with four outputs of 808nm, 1064nm and dual 1319nm wavelengths |
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| CN201320659425.4U CN203674546U (en) | 2013-10-22 | 2013-10-22 | Anemometer-used fiber laser with four outputs of 808nm, 1064nm and dual 1319nm wavelengths |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577665A (en) * | 2013-10-22 | 2015-04-29 | 无锡津天阳激光电子有限公司 | Anemograph fiber laser for outputting lasers with wavelength 808nm, wavelength 1064nm and double wavelengths 1319nm from four ends |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577665A (en) * | 2013-10-22 | 2015-04-29 | 无锡津天阳激光电子有限公司 | Anemograph fiber laser for outputting lasers with wavelength 808nm, wavelength 1064nm and double wavelengths 1319nm from four ends |
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