CN104577671A - Optical fiber laser for outputting lasers with wave lengths of 808nm, 532nm, 1319nm and 1319nm at four ends for anemoscope - Google Patents
Optical fiber laser for outputting lasers with wave lengths of 808nm, 532nm, 1319nm and 1319nm at four ends for anemoscope Download PDFInfo
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- CN104577671A CN104577671A CN201310507474.0A CN201310507474A CN104577671A CN 104577671 A CN104577671 A CN 104577671A CN 201310507474 A CN201310507474 A CN 201310507474A CN 104577671 A CN104577671 A CN 104577671A
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Abstract
The invention relates to an optical fiber laser for outputting lasers with the wave lengths of 808nm, 532nm, 1319nm and 1319nm at four ends for an anemoscope. The optical fiber laser uses a multimode pumping semiconductor module set to emit pumping light of 808nm, and the pumping light is coupled to a transmission optical fiber to be output at both ends, for a right path, a pumping right optical fiber radiates photons of 1319nm to be amplified in a right optical fiber resonant cavity, and lasers of 1319nm are output at both ends, wherein in one path the laser of 1319nm is output through a 1319nm output mirror, and similarly, in the other path, the laser of 1319nm through the 1319nm output mirror is also output so as to form the lasers with double 1319nm; for a left path, a pumping left optical fiber radiates photons of 1064nm to be amplified in a 1064nm optical fiber resonant cavity so as to generate the laser of 1064nm, wherein in one path, frequency doubling light with the optical wavelength of 532nm is generated through a left KTP crystal, and in the other path, the laser of 808nm is directly output; therefore, the lasers with the wave lengths of 808nm, 532nm,1319nm and 1319nm are output at the four ends.
Description
Technical field: laser and wind-powered electricity generation applied technical field.
Technical background:
808nm and 532nm and two 1319nm wavelength laser, the laser applied for anemobiagraph spectral detection, lasing light emitter, instrumental analysis etc., it can be used as the using light sources such as the analyzing and testing of anemobiagraph 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 and range of needs constantly expand.
Summary of the invention:
A kind of anemobiagraph four ends export 808nm and 532nm and two 1319nm long wavelength fiber laser, and it launches 808nm pump light by multimode pumping semiconductor module group, are coupled to both-end in Transmission Fibers and export; Right wing, pumping right optical fiber radiation 1319nm photon, amplifies in right fiber resonance cavity, both-end exports 1319nm laser, and a road exports 1319nm laser through 1319nm outgoing mirror, equally, another road also exports 1319nmnm laser through 1319nm outgoing mirror, forms two 1319nm laser; Left, pumping left optical fiber radiation 1064nm photon, amplifies in 1064nm fiber resonance cavity, produce 1064nm laser, a road produces frequency doubled light wavelength 532nm through left ktp crystal, and another road directly exports 808nm laser, thus, four ends export 808nm and 532nm and two 1319nm wavelength laser.
The present invention program one, a kind of anemobiagraph four ends export 808nm and 532nm and two 1319nm long wavelength fiber laser structure.
It launches 808nm pump light by semiconductor module group, and be coupled to both-end through fiber coupler and export in individual layer 808nm pump light Transmission Fibers, both-end exports individual layer 808nm Transmission Fibers and exports from its two ends, left and right.
Right wing, 808nm pump light, to be coupled in double clad Nd3+:YAG single crystal fiber between surrounding layer through fiber coupler, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, pump light is roundtrip 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, it vibrates and amplifies in the laserresonator be made up of left fiber-optic output and right fiber-optic output, form 1319nm laser dual-end to export, one end enters the left 1319nm outgoing mirror of 1319nm optical fiber and exports, 1319nm laser is exported again through 1319nm beam expanding lens and 1319nm focus lamp, the other end enters the right 1319nm outgoing mirror of 1319nm optical fiber and exports, 1319nm laser is exported again through 1319nm optical fiber beam expansion mirror and 1319nm optical fiber focus lamp.
Left, the left fiber coupler of 808nm pump light, be coupled to left double clad Nd3+:YAG single crystal fiber input, it enters between inside and outside double clad that it enters into left double clad Nd3+:YAG single crystal fiber, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, pump light is roundtrip 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, amplify in the resonant cavity that left double clad Nd3+:YAG single crystal fiber input and output form, produce 1064nm laser, one end exports 1064nm laser, one end enters left ktp crystal, produce frequency doubled light wavelength 532nm, fiber-optic output and outgoing mirror form frequency doubling cavity, export through 532nm outgoing mirror, 532nm laser is exported again through 532nm beam expanding lens and 532nm focus lamp, the other end exports 808nm laser and enters 808nm beam expanding lens, 808nm outgoing mirror, 808nm focus lamp exports 808nm laser, formed and export 532nm laser, with output 808nm laser.
Formed thus, left and right Lu Siduan exports 808nm and 532nm and two 1319nmmm tetra-wavelength laser.
The present invention program two, the optical fiber plan of establishment.
Pumping optical fiber: adopt both-end to export individual layer 808nm pump light Transmission Fibers, optical fiber is designed to annular, and its intermediate ends arranges coupler, and two ends export.
Right wing optical fiber, adopt double clad Nd3+:YAG single crystal fiber, the inhomogeneous broadening that the division of its glass matrix is formed causes absorption band wider, namely the crystalline phase matching range of glass optical fiber to incident pump light is wide, adopt the cladding pumping technique of 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, employing cladding pumping technique is as follows, one group of multimode pumping semiconductor module group is adopted to send pump light, be coupled between inner cladding and surrounding layer through fiber coupler, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, pump light is roundtrip 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 plating is to 1319nm wavelength light T=5% reflectivity film, the reflectivity film of fiber-optic output plating 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 optical fiber, identical with right wing fiber body, difference is, it is different that optical fiber inputs out end plating wavelength rete, and double-frequency laser ktp crystal plating wavelength rete is different.
The present invention program three, plated film scheme are arranged.
Pumping optical fiber: plating 808nm high-transmission rate film.
1319nm fiber-optic output mirror: plate the reflectivity film to 1319nm wavelength light T=6%.
The left output optic acts of 1319nm, the anti-reflection film of plating 1319nm wavelength light.
The right output optic acts of 1319nm, the anti-reflection film of plating 1319nm wavelength light.
The left 1064nm fiber-optic output mirror of 1064nm optical fiber: plate the reflectivity film to 1064nm wavelength light T=6%, plate 532nm wavelength light high reflection film.
532nm goes out eyeglass, and the anti-reflection film of plating 532nm wavelength light, plates 1064nm wavelength light high reflection film.
Frequency multiplication 532 laser ktp crystal, the anti-reflection film of two ends plating 532nm wavelength light.
1064nm optical fiber right 808nm fiber-optic output mirror: plate 808nm wavelength light T=5% reflectivity film, plate 1064nm wavelength light high reflection film.
808nm goes out eyeglass, plates 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, each other flashlight, each other seed light, exports simultaneously, avoids interfering.
Core content of the present invention:
1. semiconductor module is set, by semiconductor module Power supply, export 808nm wavelength pump light, semiconductor module arranges coupler, on coupler, pumping optical fiber is set, by coupler, 808nm wavelength coupling pump light is entered pumping optical fiber, arrange pumping optical fiber be annular both sides upwards in the same way bilateral export end mirror structure, i.e. pumping optical fiber bilateral output end mirror structure in the same way, arrange and form bilateral 808nm Laser output by pumping optical fiber right output end mirror and the left output end mirror of pumping optical fiber, export on end mirror at pumping optical fiber bilateral, 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 be set to annular both sides upwards in the same way bilateral export end mirror structure, be of coupled connections by right coupler the optical fiber of the right output end mirror of pumping optical fiber and 1319nm wavelength, pump light 808nm laser enters 1319nm long wavelength fiber through left coupler, the right output end mirror and the left output end mirror that arrange the optical fiber of 1319nm wavelength are: the fiber resonance cavity that wavelength 1319nm infrared light occurs, namely form 1319nm infrared light to export, the top of the left end output end mirror of 1319nm optical fiber sets gradually: 1319nm outgoing mirror, 1319nm beam expanding lens expands and 1319nm focus lamp, expand through beam expanding lens and export 1319nm laser with focus lamp, 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 and 1319nm focus lamp, expand through beam expanding lens and export 1319nm laser with focus lamp, form two 1319nm Laser output.
Left, 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 be set to annular both sides upwards in the same way bilateral export end mirror structure, be of coupled connections by left coupler the optical fiber of 1064nm wavelength, pump light 808nm laser enters 1064nm long wavelength fiber through left coupler, the right output end mirror and the left output end mirror that arrange the optical fiber of 1064nm wavelength are: the fiber resonance cavity that wavelength 1064nm infrared light occurs, namely 1064nm laser is formed, the left end of 1064nm optical fiber exports end mirror and is set to 1064nm outgoing mirror, its top sets gradually: frequency multiplication 532nm laser ktp crystal, 532nm outgoing mirror, 532nm beam expanding lens expands and 532nm focus lamp, 1064nm wavelength is through frequency multiplication 532nm laser ktp crystal, frequency multiplication exports 532nm laser, expand through beam expanding lens and export 532nm laser with focus lamp, the right-hand member of 1064nm optical fiber exports end mirror and is set to 808nm outgoing mirror, its top sets gradually: 808nm beam expanding lens, 808nm outgoing mirror, 808nm focus lamp.
You Zuo tetra-tunnel forms 808nm, 532nm and two 1319nm laser four wavelength laser exports, that is forms 808nm, 532nm and two 1319nm laser four long wavelength fiber laser.
2. plated film scheme is arranged.
1319nm optical fibre optical fibre exports end mirror: plate the reflectivity film to 1319nm wavelength light T=6%.
Left 1319nm output optic acts, the anti-reflection film of plating 1319nm wavelength light.
Right 1319nm output optic acts, the anti-reflection film of plating 1319nm wavelength light.
The left fiber-optic output mirror of 1064nm optical fiber: plate the reflectivity film to 1064nm wavelength light T=6%, plates 532nm wavelength light high reflection film.
532nm goes out eyeglass, and the anti-reflection film of plating 532nm wavelength light, plates 1064nm wavelength light high reflection film.
Frequency multiplication 532 laser ktp crystal, the anti-reflection film of two ends plating 532nm wavelength light.
The right fiber-optic output mirror of 1064nm optical fiber: plate 808nm wavelength light T=5% reflectivity film, plate 1064nm wavelength light high reflection film.
808nm goes out eyeglass, plates 808nm wavelength light high-transmission rate film.
3. You Zuo tetra-tunnel forms 808nm, 532nm and exports with pair 1319nm laser four wavelength laser, and they can acted as reference mutual, can intersect for signal source, realize run-in synchronism, avoid interfering.
Accompanying drawing illustrates:
Accompanying drawing is structure chart of the present invention, below in conjunction with the accompanying drawing illustratively course of work.
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, 532nm Laser output, 23, 532nm focus lamp, 24, 532nm beam expanding lens, 25, 532nm 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, 33, frequency multiplication 532 laser ktp crystal.
Embodiment:
Semiconductor module 1 is set, powered by semiconductor module block power supply 31, export 808nm wavelength pump light, semiconductor module 1 arranges coupler 2, pumping optical fiber 3 is set on coupler 2, by coupler 2,808nm wavelength coupling pump light is entered pumping optical fiber 3, arrange pumping optical fiber be annular both sides upwards in the same way bilateral export end mirror structure, i.e. pumping optical fiber bilateral output end mirror structure in the same way, arrange and form bilateral 808nm Laser output by pumping optical fiber right output end mirror and the left output end mirror of pumping optical fiber, export on end mirror at pumping optical fiber bilateral, 1319nm optical fiber 6 and 1064nm optical fiber 27 are set respectively.
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 be set to annular both sides upwards in the same way bilateral export end mirror structure, to be of coupled connections the right output end mirror of pumping optical fiber 4 and 1319nm optical fiber 6 by right coupler 5, pump light 808nm laser enters 1319nm long wavelength fiber through left coupler 5, the right output end mirror 7 arranging 1319nm optical fiber with left output end mirror 8 is: the fiber resonance cavity that wavelength 1319nm infrared light occurs, namely form 1319nm infrared light to export, 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 through beam expanding lens and export 1319nm laser 12 with focus lamp, 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 through beam expanding lens and export 1319nm laser 15 with focus lamp, form two 1319nm laser.
Left, 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 be set to annular both sides upwards in the same way bilateral export end mirror structure, be of coupled connections by left coupler the optical fiber of 1064nm wavelength, pump light 808nm laser enters 1064nm long wavelength fiber through left coupler, the right output end mirror and the left output end mirror that arrange the optical fiber of 1064nm wavelength are: the fiber resonance cavity that wavelength 1064nm infrared light occurs, namely form 1064nm infrared light to export, the top of the left end output end mirror 26 of 1064nm optical fiber sets gradually: frequency multiplication 532nm laser ktp crystal 34, 532nm outgoing mirror 25, 532nm beam expanding lens expands and 532nm focus lamp, 1064nm wavelength is through frequency multiplication 532nm laser ktp crystal 34, frequency multiplication exports 532nm laser 22, expand through beam expanding lens and export 532nm laser 22 with focus lamp, the right-hand member of 1064nm optical fiber exports end mirror 21 and is set to 808nm outgoing mirror, its top sets gradually: 808nm beam expanding lens 20, 808nm outgoing mirror 18, 808nm focus lamp 18, export 808nm Laser output 17.
You Zuo tetra-tunnel forms 808nm, 532nm, two 1319nm laser four wavelength laser exports, that is forms the two 1319nm laser four long wavelength fiber laser of 808nm, 532nm.
Except semiconductor module group power supply, the equal device of above-mentioned whole device, in optical rail and ray machine tool 32, is implemented air-cooled by fan 30, and composition exports 808nm, 532nm, two 1319nm laser four long wavelength fiber laser.
Claims (3)
1. anemobiagraph four ends export 808nm and 532nm and two 1319nm long wavelength fiber laser, it is characterized in that: semiconductor module is set, by semiconductor module Power supply, export 808nm wavelength pump light, semiconductor module arranges coupler, on coupler, pumping optical fiber is set, by coupler, 808nm wavelength coupling pump light is entered pumping optical fiber, arrange pumping optical fiber be annular both sides upwards in the same way bilateral export end mirror structure, i.e. pumping optical fiber bilateral output end mirror structure in the same way, arrange and form bilateral 808nm Laser output by pumping optical fiber right output end mirror and the left output end mirror of pumping optical fiber, export on end mirror at pumping optical fiber bilateral, 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 be set to annular both sides upwards in the same way bilateral export end mirror structure, be of coupled connections by right coupler the optical fiber of the right output end mirror of pumping optical fiber and 1319nm wavelength, pump light 808nm laser enters 1319nm long wavelength fiber through left coupler, the right output end mirror and the left output end mirror that arrange the optical fiber of 1319nm wavelength are: the fiber resonance cavity that wavelength 1319nm infrared light occurs, namely form 1319nm infrared light to export, the top of the left end output end mirror of 1319nm optical fiber sets gradually: 1319nm outgoing mirror, 1319nm beam expanding lens expands and 1319nm focus lamp, expand through beam expanding lens and export 1319nm laser with focus lamp, 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 and 1319nm focus lamp, expand through beam expanding lens and export 1319nm laser with focus lamp, form two 1319nm Laser output.
Left, 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 be set to annular both sides upwards in the same way bilateral export end mirror structure, be of coupled connections by left coupler the optical fiber of 1064nm wavelength, pump light 808nm laser enters 1064nm long wavelength fiber through left coupler, the right output end mirror and the left output end mirror that arrange the optical fiber of 1064nm wavelength are: the fiber resonance cavity that wavelength 1064nm infrared light occurs, namely 1064nm laser is formed, the left end of 1064nm optical fiber exports end mirror and is set to 1064nm outgoing mirror, its top sets gradually: frequency multiplication 532nm laser ktp crystal, 532nm outgoing mirror, 532nm beam expanding lens expands and 532nm focus lamp, 1064nm wavelength is through frequency multiplication 532nm laser ktp crystal, frequency multiplication exports 532nm laser, expand through beam expanding lens and export 532nm laser with focus lamp, the right-hand member of 1064nm optical fiber exports end mirror and is set to 808nm outgoing mirror, its top sets gradually: 808nm beam expanding lens, 808nm outgoing mirror, 808nm focus lamp.
You Zuo tetra-tunnel forms 808nm, 532nm and two 1319nm laser four wavelength laser exports, that is forms 808nm, 532nm and two 1319nm laser four long wavelength fiber laser.
2. according to claim 1, a kind of anemobiagraph four ends export 808nm and 532nm and two 1319nm long wavelength fiber laser, it is characterized in that: plated film scheme is arranged:
1319nm optical fibre optical fibre exports end mirror: plate the reflectivity film to 1319nm wavelength light T=6%.
Left 1319nm output optic acts, the anti-reflection film of plating 1319nm wavelength light.
Right 1319nm output optic acts, the anti-reflection film of plating 1319nm wavelength light.
The left fiber-optic output mirror of 1064nm optical fiber: plate the reflectivity film to 1064nm wavelength light T=6%, plates 532nm wavelength light high reflection film.
532nm goes out eyeglass, and the anti-reflection film of plating 532nm wavelength light, plates 1064nm wavelength light high reflection film.
Frequency multiplication 532 laser ktp crystal, the anti-reflection film of two ends plating 532nm wavelength light.
The right fiber-optic output mirror of 1064nm optical fiber: plate 808nm wavelength light T=5% reflectivity film, plate 1064nm wavelength light high reflection film.
808nm goes out eyeglass, plates 808nm wavelength light high-transmission rate film.
3. according to claim 1, a kind of anemobiagraph four ends export 808nm and 532nm and two 1319nm long wavelength fiber laser, it is characterized in that: You Zuo tetra-tunnel forms 808nm, 532nm and two 1319nm laser four wavelength laser exports, they can acted as reference mutual, can intersect for signal source, realize run-in synchronism, avoid interfering.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310507474.0A CN104577671A (en) | 2013-10-22 | 2013-10-22 | Optical fiber laser for outputting lasers with wave lengths of 808nm, 532nm, 1319nm and 1319nm at four ends for anemoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310507474.0A CN104577671A (en) | 2013-10-22 | 2013-10-22 | Optical fiber laser for outputting lasers with wave lengths of 808nm, 532nm, 1319nm and 1319nm at four ends for anemoscope |
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| CN104577671A true CN104577671A (en) | 2015-04-29 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5530710A (en) * | 1995-05-15 | 1996-06-25 | At&T Corp. | High-power pumping of three-level optical fiber laser amplifier |
| CN1721963A (en) * | 2004-07-16 | 2006-01-18 | 中国科学院物理研究所 | A kind of have a red, green, blue tricolor laser colour display device |
| CN101820132A (en) * | 2010-04-13 | 2010-09-01 | 苏州生物医学工程技术研究所 | All solid-state medical double resonance intracavity sum frequency yellow light laser |
| CN203205695U (en) * | 2012-11-14 | 2013-09-18 | 无锡津天阳激光电子有限公司 | Dual-end output optical parametric oscillation 440nm/532nm dual-wavelength optical fiber laser |
-
2013
- 2013-10-22 CN CN201310507474.0A patent/CN104577671A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5530710A (en) * | 1995-05-15 | 1996-06-25 | At&T Corp. | High-power pumping of three-level optical fiber laser amplifier |
| CN1721963A (en) * | 2004-07-16 | 2006-01-18 | 中国科学院物理研究所 | A kind of have a red, green, blue tricolor laser colour display device |
| CN101820132A (en) * | 2010-04-13 | 2010-09-01 | 苏州生物医学工程技术研究所 | All solid-state medical double resonance intracavity sum frequency yellow light laser |
| CN203205695U (en) * | 2012-11-14 | 2013-09-18 | 无锡津天阳激光电子有限公司 | Dual-end output optical parametric oscillation 440nm/532nm dual-wavelength optical fiber laser |
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Application publication date: 20150429 |