CN104577663A - Anemograph fiber laser for outputting lasers with three wavelengths 532nm, 660nm and 808nm from three ends - Google Patents
Anemograph fiber laser for outputting lasers with three wavelengths 532nm, 660nm and 808nm from three ends Download PDFInfo
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- CN104577663A CN104577663A CN201310507330.5A CN201310507330A CN104577663A CN 104577663 A CN104577663 A CN 104577663A CN 201310507330 A CN201310507330 A CN 201310507330A CN 104577663 A CN104577663 A CN 104577663A
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Abstract
The invention discloses a method and an anemograph fiber laser for outputting lasers with three wavelengths 532nm, 660nm and 808nm from three ends. The anemograph fiber laser transmits 808nm pump light through a multimode pump diode module group, and the 808nm pump light is coupled to a double-end output transmission fiber for double-end output through a coupler; on a right path, the pump light passes through a right fiber coupler, coupled to an ND3+: YAG single crystal, pumps and radiates 1064nm photons and is amplified in a resonant cavity to output 1319nm laser at two ends, the 1319nm laser passes through a KTP crystal to generate frequency doubling light with the wavelength of 660nm, which is output by a right output mirror; on a left path, the pump light is coupled by a left fiber coupler, pumps and radiates 1064nm photons and is amplified in a resonant cavity to output laser with the output wavelength of 1064nm at two ends, the 1064nm laser passes through a KTP crystal to generate frequency doubling light with the wavelength of 532nm, and the 1064nm laser at the other end directly outputs 808nm laser. According to the technical scheme, on the left path and the right path, the lasers with the three wavelengths 532nm, 660nm and 808nm are output from the three ends.
Description
Technical background:
532nm and 660nm and 808nmm 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 laser and optoelectronic areas such as anemobiagraph optical communications; Fiber laser is as the representative of third generation laser technology, and having mercy on property, the glass material with glass optical fiber low cost of manufacture and optical fiber have extremely low bulk area ratio, and rapid heat dissipation, loss are low with conversion efficiency comparatively advantages of higher, and range of application constantly expands.
A kind of anemobiagraph three-polar output 532nm and 660nm and 808nm three-wavelength fiber laser, 532nm and 660nm and 808nm 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 laser and optoelectronic areas such as anemobiagraph optical communications; Fiber laser is as the representative of third generation laser technology, and having mercy on property, the glass material with glass optical fiber low cost of manufacture and optical fiber have extremely low bulk area ratio, and rapid heat dissipation, loss are low with conversion efficiency comparatively advantages of higher, and range of application constantly expands.
Summary of the invention:
A kind of anemobiagraph three-polar output 532nm and 660nm and 808nm three-wavelength fiber laser method and apparatus, it launches 808nm pump light by multimode pumping diode (led) module group, being coupled to both-end through coupler exports in Transmission Fibers, both-end exports, left, pump light is through left fiber coupler, pumping radiation 1064nm photon, amplify in left fiber resonance cavity, export 1064nm laser dual-end to export, through ktp crystal, produce frequency doubled light wavelength 532nm, the other end is through 2 beam expanding lenss, outgoing mirror directly exports 808nm laser, form 532nm and 808nm laser, right wing, pump light is through right fiber coupler, pumping radiation 1319nm photon, amplify in resonant cavity, export 1319nm laser, through ktp crystal, produce frequency doubled light wavelength 660nm, thus, right left three-polar output 532nm and 660nm and 808nm three-wavelength laser.
The present invention program one, a kind of anemobiagraph three-polar output 532nm and 660nm and 808nm three-wavelength fiber laser method and apparatus.
It launches 808nm pump light by diode (led) 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 right left two ends.
Left, 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, both-end exports, 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, it vibrates and amplifies in the laserresonator be made up of right fiber-optic output and left fiber-optic output, form one end 1064nm Laser output, enter left ktp crystal, produce frequency doubled light wavelength 532nm, fiber-optic output and outgoing mirror form frequency doubling cavity, export through left outgoing mirror, 532nm laser is exported again through left 1 beam expanding lens and left 1 focus lamp, the other end exports 808nm, enter left 2 beam expanding lenss, outgoing mirror, left 2 focus lamps export 808nm laser, form left 1 and export 532nm laser, left 2 export 808nm laser.
Right wing, the right fiber coupler of 808nm pump light, be coupled to right double clad Nd3+:YAG single crystal fiber input, it enters between inside and outside double clad that it enters into right 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 1319nm photon, amplify in the resonant cavity that right double clad Nd3+:YAG single crystal fiber input and output form, 1319nm laser is exported through it, export through outgoing mirror and export 1319nm laser through right beam expanding lens and right focus lamp, through ktp crystal, produce frequency doubled light wavelength 660nm laser.
Thus, right wing exports 660nm laser and left exports 532nm, 808nm laser, forms three end three-wavelengths and exports.
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.
Left 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 diode (led) 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 1064nm photon, both-end exports, left 1 fiber-optic output plating is to 1064nm wavelength light T=5% reflectivity film, the reflectivity film of fiber-optic output plating to 1064nm wavelength light T=6%, optical fiber two ends form resonant cavity, optical fiber is designed to annular, its intermediate ends arranges coupler.
Right wing optical fiber, identical with left fiber body, difference is, it is different that optical fiber inputs out end plating wavelength rete, double-frequency laser ktp crystal plating wavelength rete.
The present invention program three, plated film scheme are arranged.
Pumping optical fiber: plating 808nm high-transmission rate film.
Left 1 road optical fiber: fiber-optic output: plate the reflectivity film to 1064nm wavelength light T=6%, plates 532nm wavelength light high reflection film.
Left 1 tunnel output optic acts, the anti-reflection film of plating 532nm wavelength light, plates 1064nm wavelength light high reflection film.
Left 1 road double-frequency laser ktp crystal, the anti-reflection film of two ends plating 532nm wavelength light.
Left 2 road fiber-optic output platings are to 808nm wavelength light T=5% reflectivity film.
Left 2 tunnel output optic acts, plate 1064nm wavelength light high reflection film, plate 808nm wavelength high transmittance film.
Right wing optical fiber: optic fibre input end plating is to 1319nm wavelength light high reflection film, and fiber-optic output plates the reflectivity film to 1319nm wavelength light T=6%.
Right wing output optic acts, plates 660nm wavelength light high-transmission rate film.
The present invention program four, application scheme.
Right left two ends 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 is set to the structure of the one-sided double-width grinding in opposite directions of annular and output, be of coupled connections by right coupler the input end mirror of optical fiber of the right output end mirror of pumping optical fiber and 1319nm wavelength, the 808nm laser that pumping optical fiber right output end mirror exports enters 1319nm long wavelength fiber through right coupler, the input end mirror arranging the optical fiber of 1319nm wavelength with output end mirror is: the fiber resonance cavity that wavelength 1319nm infrared light occurs, namely form 1319nm infrared light to export, the top of the output end mirror of the optical fiber of 1319nm wavelength sets gradually: frequency multiplication 660 laser ktp crystal, 660nm outgoing mirror, 660nm beam expanding lens expands and 660nm focus lamp, 660nm ruddiness expands through beam expanding lens and exports with focus lamp.
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 of 1064nm optical fiber 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 tri-tunnel forms 532nm, 660nm and 808nm laser three-wavelength Laser output, that is forms 532nm, 660nm and 808nm laser three-wavelength fiber laser.
2. adopt doubly clad optical fiber as pumping optical fiber use, pumping optical fiber exports end mirror plating 808nm wavelength light high-transmission rate film, plating 1319nm wavelength light high reflection film.
3. arrange the optical fiber of 1319nm wavelength, it adopts doubly clad optical fiber, the optic fibre input end mirror of 1319nm wavelength, plating 808nm wavelength light high-transmission rate film, plating 1319nm infrared light high reflection film.
The optical fiber of 1064nm wavelength is set, the optic fibre input end mirror of 1064nm wavelength, plating 808nm wavelength light high-transmission rate film, plating 1064nm infrared light light high-transmission rate film.
Frequency multiplication 532nm laser ktp crystal, both sides plating 532nm high-transmission rate film.
532nm outgoing mirror, plating 1064nm high reflection film, plating 532nm high-transmission rate film.
Frequency multiplication 660nm laser ktp crystal, both sides plating 660nm high-transmission rate film.
660nm outgoing mirror, plating 1064nm high reflection film, plating 660nm high-transmission rate film.
4. You Zuo tri-tunnel forms 532nm, 660nm and 1064nm laser three-wavelength Laser output, 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 optic fibre input end mirror, 7, 1319nm optical fiber, 8, 1319nm fiber-optic output mirror, 9, 1319nm beam expanding lens, 10, 1319nm focus lamp, 11, 1319nm Laser output, 12, 808nm beam expanding lens, 13, 808nm focus lamp, 14, 808nm Laser output, 15, 808nm outgoing mirror, 16, the right output end mirror of 808nm wavelength, 17, 532nm Laser output, 18, 532nm focus lamp, 19, 532nm outgoing mirror, 20, 532nm beam expanding lens, 21, frequency multiplication 532 laser ktp crystal, 22, the left output end mirror of 1064nm long wavelength fiber, 23, 1064nm long wavelength fiber, 24, left coupler, 25, the left output end mirror of pumping optical fiber, 26, fan, 27, semiconductor module block power supply, 28, optical rail and ray machine tool, 29, frequency multiplication 660 laser ktp crystal, 30, 660nm outgoing mirror.
Embodiment:
Semiconductor module 1 is set, powered by semiconductor module block power supply 29, export 808m wavelength pump light, semiconductor module 1 arranges coupler 2, pumping optical fiber 3 is set on coupler 2, by coupler 2,808m wavelength coupling pump light is entered pumping optical fiber 3, arrange pumping optical fiber 3 for annular both sides upwards in the same way bilateral export end mirror structure, namely pumping optical fiber bilateral exports end mirror structure in the same way, arrange and form bilateral 808nm Laser output by pumping optical fiber 3 right output end mirror 27 and pumping optical fiber left output 4 mirror, on pumping optical fiber in the same way bilateral output end mirror structure, 1319nm optical fiber 7 and 1064nm optical fiber 23 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 7 is set, 1319nm optical fiber 7 is set to the structure of the one-sided double-width grinding in opposite directions of annular and output, be of coupled connections by right coupler 5 the input end mirror 6 of the right output end mirror of pumping optical fiber 4 and the optical fiber of 1319nm wavelength, the 808nm laser that pumping optical fiber right output end mirror 4 exports enters 1319nm optical fiber 7 through right coupler 5, the input end mirror 6 arranging 1319nm optical fiber 7 with 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 output end mirror 8 of 1319nm optical fiber sets gradually: frequency multiplication 660 laser ktp crystal 29, 660nm outgoing mirror 30, 660nm beam expanding lens 9, 660nm focus lamp 10, 660nm ruddiness expands through beam expanding lens and exports 660nm Laser output 11 with focus lamp.
Left, on the left 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 22 arranging the optical fiber of 1064nm wavelength with left output end mirror 16 is: 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 of 1064nm optical fiber sets gradually: frequency multiplication 532nm laser ktp crystal 21, 532nm beam expanding lens 20, 532nm outgoing mirror 19 and 532nm focus lamp 18, 1064nm wavelength is through frequency multiplication 532nm laser ktp crystal 21, frequency multiplication exports 532nm laser, expand through beam expanding lens and export 532nm laser 17 with focus lamp, the top that 808nm wavelength right-hand member exports end mirror 16 sets gradually: 808nm beam expanding lens 12, 808nm outgoing mirror 15, 808nm focus lamp 13, export 808nm laser 14.
You Zuo tri-tunnel forms 532nm, 660nm and 808nm laser three-wavelength Laser output, that is forms 532nm, 660nm and 808nm laser three-wavelength fiber laser.
Except diode (led) module group power supply, the equal device of above-mentioned whole device, in optical rail and ray machine tool 30, is implemented air-cooled by fan 28, and composition exports 532nm, 660nm and 808nm laser three-wavelength fiber laser.
Claims (1)
1. an anemobiagraph three-polar output 532nm and 660nm and 808nmm three-wavelength fiber laser, it is characterized by: 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 is set to the structure of the one-sided double-width grinding in opposite directions of annular and output, be of coupled connections by right coupler the input end mirror of optical fiber of the right output end mirror of pumping optical fiber and 1319nm wavelength, the 808nm laser that pumping optical fiber right output end mirror exports enters 1319nm long wavelength fiber through right coupler, the input end mirror arranging the optical fiber of 1319nm wavelength with output end mirror is: the fiber resonance cavity that wavelength 1319nm infrared light occurs, namely form 1319nm infrared light to export, the top of the output end mirror of the optical fiber of 1319nm wavelength sets gradually: frequency multiplication 660 laser ktp crystal, 660nm outgoing mirror, 660nm beam expanding lens expands and 660nm focus lamp, 660nm ruddiness expands through beam expanding lens and exports with focus lamp.
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 of 1064nm optical fiber 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 tri-tunnel forms 532nm, 660nm and 808nm laser three-wavelength Laser output, that is forms 532nm, 660nm and 808nm laser three-wavelength fiber laser.
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|---|---|---|---|
| CN201310507330.5A CN104577663A (en) | 2013-10-22 | 2013-10-22 | Anemograph fiber laser for outputting lasers with three wavelengths 532nm, 660nm and 808nm from three ends |
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| CN201310507330.5A CN104577663A (en) | 2013-10-22 | 2013-10-22 | Anemograph fiber laser for outputting lasers with three wavelengths 532nm, 660nm and 808nm from three ends |
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| CN203205694U (en) * | 2012-11-14 | 2013-09-18 | 无锡津天阳激光电子有限公司 | ual-end output optical parametric oscillation 1500nm/ 622nm dual-wavelength optical fiber 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 |
| CN203734124U (en) * | 2013-10-22 | 2014-07-23 | 无锡津天阳激光电子有限公司 | Fiber laser outputting 532nm, 660nm and 808nm light at three ends for wind-velocity indicator |
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2013
- 2013-10-22 CN CN201310507330.5A patent/CN104577663A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06106377A (en) * | 1992-09-30 | 1994-04-19 | Matsushita Electric Works Ltd | Energy dividing device for laser beam machining |
| US20100150183A1 (en) * | 2008-12-15 | 2010-06-17 | Andrei Starodoumov | Frequency-tripled fiber mopa |
| CN203014153U (en) * | 2012-11-14 | 2013-06-19 | 无锡津天阳激光电子有限公司 | Fiber laser with bidirectional 1319nm wavelength output |
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Application publication date: 20150429 |