CN203660268U - Four-end output 808 nm and 660 nm and double 532 nm wavelength optical fiber laser device for wind-velocity indicator - Google Patents
Four-end output 808 nm and 660 nm and double 532 nm wavelength optical fiber laser device for wind-velocity indicator Download PDFInfo
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- CN203660268U CN203660268U CN201320659821.7U CN201320659821U CN203660268U CN 203660268 U CN203660268 U CN 203660268U CN 201320659821 U CN201320659821 U CN 201320659821U CN 203660268 U CN203660268 U CN 203660268U
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Abstract
A four-end output 808 nm and 660 nm and double 532 nm wavelength optical fiber laser device for a wind-velocity indicator is disclosed and is characterized in that 808 nm pump light is emitted through a multi-mode pump diode module group. After being coupled into a transmission optical fiber, the 808 nm pump light is output through double ends. A right route is characterized in that 1064 nm photons are radiated through a pump right optical fiber and are amplified in a right optical fiber resonant cavity, and 1064 nm lasers are output through double ends. One route is characterized in that frequency multiplication light which is 532 nm in wavelength is generated through a KTP crystal; similarly, the other route is characterized in that frequency multiplication light is generated through a KTP crystal, and a 532 nm laser is output; therefore double 532 nm lasers are formed. A left route is characterized in that 1319 nm photons are radiated through a pump left optical fiber and are amplified in a left optical fiber resonant cavity, and 1319 nm lasers are output through double ends. One route is characterized in that frequency multiplication light which is 660 nm in wavelength is generated through a KTP crystal, and the other route is characterized in that an 808 nm laser is directly output. Thus, 808 nm and 660 nm and double 532 nm wavelength lasers are output through four ends.
Description
Technical field: laser and applied technical field.
Technical background:
808nm and 660nm and two 532nm 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 source such as analyzing and testing of anemobiagraph optical fiber transmission 808nm and 660nm and pair 532nm sensors, and it is also for the laser such as optical communication and optoelectronic areas for anemobiagraph; 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 volume Area Ratio, rapid heat dissipation, loss low with conversion efficiency compared with advantages of higher, range of application constantly expands.
Summary of the invention:
Four end output 808nm and 660nm and two 532nm long wavelength fiber laser for a kind of anemobiagraph, it is by multimode pumping diode (led) module group transmitting 808nm pump light, be coupled to both-end output in Transmission Fibers, right wing, the right optical fiber radiation 1064nm of pumping photon, in right fiber resonance cavity, amplify, both-end output 1064nm laser, a road produces frequency doubled light wavelength 532nm through ktp crystal, same, another road also produces frequency doubled light wavelength output 532nm laser through ktp crystal, forms two 532nm laser; Zuo Lu, the left optical fiber radiation 1319nm of pumping photon amplifies in left fiber resonance cavity, both-end output 1319nm laser, a road produces frequency doubled light wavelength 660nm through left ktp crystal, and 808nm laser is directly exported on another road, thus, four end output 808nm and 660nm and two 532nm wavelength laser.
Four end output 808nm and 660nm and pair 532nm long wavelength fiber laser method and apparatus 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 diode (led) 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 1064nm photon, its amplification of vibrating in the laserresonator being formed by left fiber-optic output and right fiber-optic output, form the output of 1064nm laser dual-end, one end enters right ktp crystal, produce frequency doubled light wavelength 532nm, fiber-optic output and outgoing mirror composition frequency doubling cavity, through right outgoing mirror output, again through right 1 beam expanding lens and right 1 focus lamp output 532nm laser, the other end enters right 2KTP crystal, produce frequency doubled light wavelength 532nm, fiber-optic output and outgoing mirror composition frequency doubling cavity, through right outgoing mirror output, again through right 2 beam expanding lenss and right 2 focus lamp output 532nm laser.
Zuo Lu, 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 1319nm photon, in the resonant cavity of left double clad Nd3+:YAG single crystal fiber input and output composition, amplify, through its output 1319nm laser, one end output 1319nm laser, one end enters left ktp crystal, produce frequency doubled light wavelength 660nm, fiber-optic output and outgoing mirror composition frequency doubling cavity, through left 1 outgoing mirror output, again through left 1 beam expanding lens and left 1 focus lamp output 660nm laser, other end output 808nm laser enters left 2 beam expanding lenss, outgoing mirror, left 2 focus lamp output 808nm laser, form left 1 output 660nm laser, left 2 output 808nm laser.
Form thus left and right Lu Siduan output 808nm and 660nm and two 532nmmm 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 diode (led) 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 1064nm photon, right fiber-optic output plates 1064nm wavelength light T=5% reflectivity film, fiber-optic output plates the reflectivity film to 1064nm 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, and its intermediate ends arranges coupler, and 660nm optical fiber is inputted out end plating wavelength rete difference, double-frequency laser ktp crystal plating wavelength rete difference.
The present invention program three, plated film scheme arrange.
Pumping optical fiber: plating 808nm high-transmission rate film.
Right 1 road optical fiber: fiber-optic output: the reflectivity film of plating to 1064nm wavelength light T=6%, plating is to 532nm wavelength light high reflection film.
Right 1 tunnel output eyeglass, the anti-reflection film of plating 532nm wavelength light, plating is to 1064nm wavelength light high reflection film.
Right 1 road double-frequency laser ktp crystal, the anti-reflection film of two ends plating 532nm wavelength light.
Right 2 road double-frequency laser ktp crystals, the anti-reflection film of two ends plating 532nm wavelength light.
Right 2 tunnel output eyeglasses, plating is to 532nm wavelength light high reflection film, and plating is to 1064nm wavelength light high reflection film.
Left 1 road optical fiber: fiber-optic output: the reflectivity film of plating to 1319nm wavelength light T=6%, plating is to 660nm wavelength light high reflection film.
Left 1 tunnel output eyeglass, the anti-reflection film of plating 660nm wavelength light, plating is to 1319nm wavelength light high reflection film.
Left 1 road double-frequency laser ktp crystal, the anti-reflection film of two ends plating 660nm wavelength light.
Left 2 road optical fiber: optic fibre input end plates 1319nm wavelength light high reflection film, and fiber-optic output plates the reflectivity film to 1319nm wavelength light T=6%.
Left 2 road fiber-optic outputs plate 1319nm wavelength light T=5% reflectivity film.
Left 2 tunnel output eyeglasses, plating is to 660nm wavelength light high reflection 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, 1064 optical fiber and 1319 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 1064nm wavelength is set on right 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 the right output end mirror of pumping optical fiber and 1064nm wavelength of right 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 of 1064nm optical fiber sets gradually: frequency multiplication 532nm laser ktp crystal, 532nm outgoing mirror, 532nm beam expanding lens expands the focus lamp with 532nm, 1064nm wavelength is through frequency multiplication 532nm laser ktp crystal, frequency multiplication output 532nm laser, expand the laser with focus lamp output 532nm through beam expanding lens, equally, the top of the right-hand member output end mirror of 1064nm optical fiber sets gradually: frequency multiplication 532nm laser ktp crystal, 532nm outgoing mirror, 532nm beam expanding lens expands the focus lamp with 532nm, 1064nm wavelength is through frequency multiplication 532nm laser ktp crystal, frequency multiplication output 532nm laser, expand the laser with focus lamp output 532nm through beam expanding lens, form two 532nm Laser outputs.
Zuo Lu, on the right output end mirror of pumping optical fiber, left coupler is set, the optical fiber of 1319nm wavelength is set on left 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 1319nm wavelength of left 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 1319nm laser, the left end output end mirror of 1319nm optical fiber is set to 1319nm outgoing mirror, its top sets gradually: frequency multiplication 660nm laser ktp crystal, 660nm outgoing mirror, 660nm beam expanding lens expands the focus lamp with 660nm, 1319nm wavelength is through frequency multiplication 660nm laser ktp crystal, frequency multiplication output 660nm laser, expand the laser with focus lamp output 660nm through beam expanding lens, the right-hand member output end mirror of 1319nm 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, 660nm and the four wavelength laser outputs of two 532nm laser, that is form 808nm, 660nm and two 532nm laser four long wavelength fiber lasers.
2. adopt doubly clad optical fiber as pumping optical fiber use, pumping optical fiber output end mirror plating 808nm wavelength high-transmission rate film, plating 1064nm wavelength laser high reflection film.
3. the optical fiber of 1064nm wavelength is set, and it adopts doubly clad optical fiber, the optic fibre input end mirror of 1064nm wavelength, plating 808nm wavelength light high-transmission rate film, plating 1064nm laser high reflection film.
The optical fiber of 1319nm wavelength is set, the left output end mirror of optical fiber of 1319nm wavelength, plating 1319nm wavelength laser 7% transmissivity film; The right output end mirror plating of the optical fiber 808nm laser 7% transmissivity film of 1319nm wavelength plates 1319nm high reflection film simultaneously.
Frequency multiplication 660nm laser ktp crystal, both sides plating 660nm high-transmission rate film.
660nm outgoing mirror, plating 1319nm high reflection film, plating 660nm high-transmission rate film.
Frequency multiplication 532nm laser ktp crystal, both sides plating 532nm high-transmission rate film.
532nm outgoing mirror, plating 1319nm high reflection film, plating 532nm high-transmission rate film.
4. You Zuo tetra-tunnels form 808nm, 660nm and export with two 532nm wavelength lasers, and they can acted as reference mutual, can intersect for signal source, realizes run-in synchronism, avoids interfering.
Brief description of the drawings:
Accompanying drawing is structure chart of the present invention, below in conjunction with the brief description of the drawings course of work once.
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, 1064nm optical fiber, 7, the left output end mirror of 1064nm optical fiber, 8, the right output end mirror of 1064nm optical fiber, 9, 532nm outgoing mirror, 10, 1064nm beam expanding lens, 11, 1064nm focus lamp, 12, 532nm Laser output, 13, 532nm beam expanding lens, 14, 532nm focus lamp, 15, 532nm Laser output, 16, 532nm 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 1319nm optical fiber, 22, 660nm Laser output, 23, 660nm focus lamp, 24, 660nm beam expanding lens, 25, 660nm outgoing mirror, 26, the left output end mirror of 1319nm optical fiber, 27, 1319nm 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 crystals, 34, frequency multiplication 660 laser ktp crystals, 35, frequency multiplication 532 laser ktp crystals.
Embodiment:
Right wing, on the right output end mirror 4 of pumping optical fiber, right coupler 5 is set, on right coupler 5,1064nm optical fiber 6 is set, 1064nm 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 1064nm optical fiber 6, pump light 808nm laser enters 1064nm long wavelength fiber through left coupler 5, the right output end mirror 8 that 1064nm optical fiber is set with left output end mirror 8 is: the fiber resonance cavity that wavelength 1064nm infrared light occurs, form the output of 1064nm infrared light, the top of the right output end mirror 8 of 1064nm optical fiber sets gradually: frequency multiplication 532nm laser ktp crystal, 532nm outgoing mirror, 532nm beam expanding lens expands the focus lamp with 532nm, 1064nm wavelength is through frequency multiplication 532nm laser ktp crystal, frequency multiplication output 532nm laser, expand the laser with focus lamp output 532nm through beam expanding lens, equally, 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 the focus lamp with 532nm, 1064nm wavelength is through frequency multiplication 532nm laser ktp crystal, frequency multiplication output 532nm laser, expand the laser with focus lamp output 532nm through beam expanding lens.
Zuo Lu, on the right output end mirror of pumping optical fiber, left coupler is set, the optical fiber of 1319nm wavelength is set on left 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 1319nm wavelength of left 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: frequency multiplication 660nm laser ktp crystal, 660nm outgoing mirror, 660nm beam expanding lens expands the focus lamp with 660nm, 1319nm wavelength is through frequency multiplication 660nm laser ktp crystal, frequency multiplication output 660nm laser, expand the laser with focus lamp output 660nm through beam expanding lens, the right-hand member output end mirror of 1319nm 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, 660nm, the four wavelength laser outputs of two 532nm laser, that is form 808nm, 660nm, two 532nm laser four long wavelength fiber lasers.
Except diode (led) module group power supply, above-mentioned whole devices all install on optical rail and ray machine tool 32, implemented by fan 28 air-cooled, composition output 808nm, 660nm, two 532nm laser four long wavelength fiber lasers.
Claims (4)
1. four end output 808nm and 660nm and pair 532nm 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, 1064 optical fiber and 1319 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 1064nm wavelength is set on right 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 the right output end mirror of pumping optical fiber and 1064nm wavelength of right 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 of 1064nm optical fiber sets gradually: frequency multiplication 532nm laser ktp crystal, 532nm outgoing mirror, 532nm beam expanding lens expands the focus lamp with 532nm, 1064nm wavelength is through frequency multiplication 532nm laser ktp crystal, frequency multiplication output 532nm laser, expand the laser with focus lamp output 532nm through beam expanding lens, equally, the top of the right-hand member output end mirror of 1064nm optical fiber sets gradually: frequency multiplication 532nm laser ktp crystal, 532nm outgoing mirror, 532nm beam expanding lens expands the focus lamp with 532nm, 1064nm wavelength is through frequency multiplication 532nm laser ktp crystal, frequency multiplication output 532nm laser, expand the laser with focus lamp output 532nm through beam expanding lens, form two 532nm Laser outputs, Zuo Lu, on the right output end mirror of pumping optical fiber, left coupler is set, the optical fiber of 1319nm wavelength is set on left 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 1319nm wavelength of left 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 1319nm laser, the left end output end mirror of 1319nm optical fiber is set to 1319nm outgoing mirror, its top sets gradually: frequency multiplication 660nm laser ktp crystal, 660nm outgoing mirror, 660nm beam expanding lens expands the focus lamp with 660nm, 1319nm wavelength is through frequency multiplication 660nm laser ktp crystal, frequency multiplication output 660nm laser, expand the laser with focus lamp output 660nm through beam expanding lens, the right-hand member output end mirror of 1319nm 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, 660nm and the four wavelength laser outputs of two 532nm laser, that is form 808nm, 660nm and two 532nm laser four long wavelength fiber lasers.
2. four end output 808nm and 660nm and two 532nm long wavelength fiber laser for a kind of anemobiagraph according to claim 1, it is characterized in that: adopt doubly clad optical fiber to use as pumping optical fiber, pumping optical fiber output end mirror plating 808nm wavelength high-transmission rate film, plating 1064nm wavelength laser high reflection film.
3. four end output 808nm and 660nm and two 532nm long wavelength fiber laser for a kind of anemobiagraph according to claim 1, it is characterized in that: the optical fiber that 1064nm wavelength is set, it adopts doubly clad optical fiber, the optic fibre input end mirror of 1064nm wavelength, plating 808nm wavelength light high-transmission rate film, plates 1064nm laser high reflection film, and the optical fiber of 1319nm wavelength is set, the left output end mirror of optical fiber of 1319nm wavelength, plating 1319nm wavelength laser 7% transmissivity film; The right output end mirror plating of the optical fiber 808nm laser 7% transmissivity film of 1319nm wavelength plates 1319nm high reflection film simultaneously, frequency multiplication 660nm laser ktp crystal, both sides plating 660nm high-transmission rate film, 660nm outgoing mirror, plating 1319nm high reflection film, plating 660nm high-transmission rate film, frequency multiplication 532nm laser ktp crystal, both sides plating 532nm high-transmission rate film, 532nm outgoing mirror, plating 1319nm high reflection film, plating 532nm high-transmission rate film.
4. four end output 808nm and 660nm and two 532nm long wavelength fiber laser for a kind of anemobiagraph according to claim 1, is characterized in that: You Zuo tetra-tunnels form 808nm, 660nm and two 532nm wavelength laser output.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320659821.7U CN203660268U (en) | 2013-10-22 | 2013-10-22 | Four-end output 808 nm and 660 nm and double 532 nm wavelength optical fiber laser device for wind-velocity indicator |
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| CN201320659821.7U CN203660268U (en) | 2013-10-22 | 2013-10-22 | Four-end output 808 nm and 660 nm and double 532 nm wavelength optical fiber laser device for wind-velocity indicator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577657A (en) * | 2013-10-22 | 2015-04-29 | 无锡津天阳激光电子有限公司 | Optical fiber laser for outputting lasers with wave lengths of 808nm, 660nm, 532nm and 532nm at four ends for anemoscope |
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2013
- 2013-10-22 CN CN201320659821.7U patent/CN203660268U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577657A (en) * | 2013-10-22 | 2015-04-29 | 无锡津天阳激光电子有限公司 | Optical fiber laser for outputting lasers with wave lengths of 808nm, 660nm, 532nm and 532nm at four ends for anemoscope |
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