CN203734123U - Fiber laser outputting 660nm and 808nm light at three ends for a wind-velocity indicator - Google Patents
Fiber laser outputting 660nm and 808nm light at three ends for a wind-velocity indicator Download PDFInfo
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- CN203734123U CN203734123U CN201320659732.2U CN201320659732U CN203734123U CN 203734123 U CN203734123 U CN 203734123U CN 201320659732 U CN201320659732 U CN 201320659732U CN 203734123 U CN203734123 U CN 203734123U
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Abstract
The utility model discloses a fiber laser outputting 660nm and 808nm light at three ends for a wind-velocity indicator, and the fiber laser transmits 808nm pump light through a multi-mode pump diode module group, wherein the 808nm pump light is coupled to a double-end output transmission fiber. The fiber laser achieves double-end output: at the left path, the pump light is coupled through a left fiber coupler to pump-radiation 1319nm photons, and is amplified in a left resonant cavity, thereby outputting 1319nm laser at two ends, generating frequency-doubling light with the wavelength 660nm through KTP crystals, and forming laser light with the wavelengths 660nm and 1319nm; at the right path, the pump light passes through a 808nm output mirror and the 808nm laser light is directly outputted. Therefore, the laser light with wavelengths of 660nm and 808nm at three ends at the right and left paths is formed.
Description
Technical field: belong to laser and application.
Technical background:
Two 660nm and 808nmm 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 analyzing and testing of Fibre Optical Sensor for anemobiagraph, 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 is low with conversion efficiency compared with advantages of higher, range of application constantly expands.
Two 660nm and 808nm 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 analyzing and testing of Fibre Optical Sensor for anemobiagraph, 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 is low with conversion efficiency compared with advantages of higher, range of application constantly expands.
Summary of the invention:
The two 660nm of three end output and 808nm long wavelength fiber laser method and apparatus for a kind of anemobiagraph, it is by multimode pumping diode (led) module group transmitting 808nm pump light, through coupler, be coupled in both-end output Transmission Fibers, both-end output, left road, pump light is through left fiber coupler, pumping radiation 1319nm photon, in left fiber resonance cavity, amplify, the output of output 1319nm laser dual-end, one end is through ktp crystal, produce frequency doubled light wavelength 660nm, equally, the other end is through ktp crystal, produce frequency doubled light wavelength 660nm laser, form 660nm and 1319nm laser laser, right wing, pump light is through 808nm outgoing mirror, directly export 808nm laser, thus, the You Zuo road two 660nm of three end output and 808nm wavelength laser.
Three end output couple 660nm and 808nm 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 right left two ends output.
Left road, 808nm pump light, through fiber coupler, be coupled between the interior surrounding layer of double clad Nd3+:YAG single crystal fiber, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, both-end output, pump light carrys out back reflective between inner cladding and surrounding layer, repeatedly through fiber core with single-mold, be absorbed, 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 right fiber-optic output and left fiber-optic output, form the output of 1319nm laser dual-end, one end enters left ktp crystal, produce frequency doubled light wavelength 660nm, fiber-optic output and outgoing mirror form frequency doubling cavity, through left outgoing mirror output, again through left 1 beam expanding lens and left 1 focus lamp output 660nm laser, same one end enters left ktp crystal, produce frequency doubled light wavelength 660nm, fiber-optic output and outgoing mirror form frequency doubling cavity, through left outgoing mirror output, again through left 2 beam expanding lenss and left 2 focus lamp output 660nm laser, form left 1 output 660nm laser, left 2 output 660nm laser.
Right wing, 808nm pump light, exports 808nm laser through the output of 808nm outgoing mirror through right beam expanding lens and right focus lamp.
Thus, the two 660nm laser of right wing output 808nm laser Yu Zuo road output, forms three end Laser outputs.
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.
Left road 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 comprised 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, through fiber coupler, be to be coupled between inner cladding and surrounding layer, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, pump light carrys out back reflective between inner cladding and surrounding layer, repeatedly through fiber core with single-mold, be absorbed, fiber core with single-mold Nd3+: ion energy-absorbing generation energy level transition, radiation 1319nm photon, both-end output, left 1 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 intermediate ends arranges coupler.
Right wing, 808nm pump light, exports 808nm laser through the output of 808nm outgoing mirror through right beam expanding lens and right focus lamp.
The present invention program three, plated film scheme arrange.
Pumping optical fiber: plating 808nm high-transmission rate 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 tunnel output eyeglasses, the anti-reflection film of plating 660nm wavelength light, plating is to 1319nm wavelength light high reflection film.
Left 2 road double-frequency laser ktp crystals, the anti-reflection film of two ends plating 660nm wavelength light.
Right wing optical fiber: the reflectivity film of fiber-optic output plating to 808nm wavelength light T=6%.
Right wing output eyeglass, plating is to 808nm 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, 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, setting forms 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, 808nm outgoing mirror and 1319nm optical fiber are set respectively.
Right wing, on the right output end mirror of pumping optical fiber, sets gradually: 808nm beam expanding lens, 808nm outgoing mirror, 808nm focus lamp, 808nm laser is through beam expanding lens and focus lamp output.
Left road, 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, through beam expanding lens, expand the laser with focus lamp output 660nm, equally, the top of the right-hand member 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, through beam expanding lens, expand the laser with focus lamp output 660nm.
You Zuo tri-tunnels form two 660nm and the output of 808nm wavelength laser, that is form two 660nm and 808nm long wavelength fiber laser.
2. adopt doubly clad optical fiber as pumping optical fiber use, pumping optical fiber output end mirror plating 808nm wavelength light high-transmission rate film.
3. the optical fiber of 1319nm wavelength is set, the optic fibre input end mirror of 1319nm wavelength, plating 808nm wavelength light high-transmission rate film, plating 1319nm infrared light light high-transmission rate film.
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.
4. You Zuo tri-tunnels form two 660nm and export with 808nm wavelength laser, 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, 808nm beam expanding lens, 6, 808nm outgoing mirror, 7, 808nm focus lamp, 8, 808nm Laser output, 9, 660nm beam expanding lens, 10, 660nm focus lamp, 11, 660nm Laser output, 12, 660nm outgoing mirror, 13, the right output end mirror of 1319nm long wavelength fiber, 14, 660nm Laser output, 15, 660nm focus lamp, 16, 660nm outgoing mirror, 17, 660nm beam expanding lens, 18, frequency multiplication 660 laser ktp crystals, 19, the left output end mirror of 1319nm long wavelength fiber, 20, 1319nm long wavelength fiber, 21, left coupler, 22, the left output end mirror of pumping optical fiber, 23, fan, 24, semiconductor module block power supply, 25, optical rail and ray machine tool, 26, frequency multiplication 660 laser ktp crystals.
Embodiment:
Semiconductor module 1 is set, by 24 power supplies of semiconductor module block power supply, output 808nm wavelength pump light, coupler 2 is set on semiconductor module 1, pumping optical fiber 3 is set on coupler 2, by coupler 2,808nm wavelength pumping optical coupling is entered to pumping optical fiber 3, pumping optical fiber 3 is set for annular both sides bilateral output end mirror structure in the same way upwards, be that pumping optical fiber bilateral is exported end mirror structure in the same way, setting forms bilateral 808nm Laser output by the right output end mirror 24 of pumping optical fiber 3 with left output 4 mirrors of pumping optical fiber, at pumping optical fiber in the same way on bilateral output end mirror structure, 808nm outgoing mirror 6 and 1319nm optical fiber 20 are set respectively.
Right wing, on the right output end mirror 4 of pumping optical fiber, setting sets gradually: 808nm beam expanding lens 5,, 808nm outgoing mirror 6 and 808nm focus lamp 7,808nm infrared light expands and focus lamp output 808nm Laser output 8 through beam expanding lens.
Left road, on the left 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, the right output end mirror 19 that the optical fiber of 1319nm wavelength is set with left output end mirror 13 is: 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 18, 660nm beam expanding lens 17, 660nm outgoing mirror 16 and 660nm focus lamp 15, 1319nm wavelength is through frequency multiplication 660nm laser ktp crystal 18, frequency multiplication output 660nm laser, through beam expanding lens, expand and focus lamp output 660nm laser 14, the top of the right-hand member output end mirror 13 of 1319nm optical fiber sets gradually: frequency multiplication 660 laser ktp crystals 26, 660nm beam expanding lens 9, 660nm outgoing mirror 12, 660nm focus lamp 10, output 660nm laser 11.
You Zuo tri-tunnels form two 660nm and the output of 808nm wavelength laser, that is form two 660nm and 808nm long wavelength fiber laser.
Except diode (led) module group power supply, above-mentioned whole devices all install on optical rail and ray machine tool 25, air-cooled by fan 23 enforcements, form the two 660nm of output and 808nm optical maser wavelength fiber laser.
Claims (4)
1. for an anemobiagraph, three ends are exported two 660nm and 808nm three-wavelength fiber lasers, it is characterized by: 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, setting forms 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, 808nm outgoing mirror and 1319nm optical fiber are set respectively, right wing, on the right output end mirror of pumping optical fiber, sets gradually: 808nm beam expanding lens, 808nm outgoing mirror, 808nm focus lamp, and 808nm laser is through beam expanding lens and focus lamp output, left road, 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 1319m 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, through beam expanding lens, expand the laser with focus lamp output 660nm, equally, the top of the right-hand member 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, through beam expanding lens, expand the laser with focus lamp output 660nm, You Zuo tri-tunnels form two 660nm and the output of 808nm wavelength laser, that is the two 660nm of formation and 808nm long wavelength fiber laser.
2. the two 660nm of three end output and 808nm long wavelength fiber laser for a kind of anemobiagraph according to claim 1, is characterized by: adopt doubly clad optical fiber as pumping optical fiber use, pumping optical fiber output end mirror plating 808nm wavelength light high-transmission rate film.
3. for a kind of anemobiagraph according to claim 1, three ends are exported two 660nm and 808nm long wavelength fiber lasers, it is characterized by: the optical fiber that 1319nm wavelength is set, the optic fibre input end mirror of 1319nm wavelength, plating 808nm wavelength light high-transmission rate film, plating 1319nm infrared light light high-transmission rate film, 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.
4. the two 660nm of three end output and 808nm long wavelength fiber laser for a kind of anemobiagraph according to claim 1, is characterized by: You Zuo tri-tunnels form two 660nm and the output of 808nm wavelength laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320659732.2U CN203734123U (en) | 2013-10-22 | 2013-10-22 | Fiber laser outputting 660nm and 808nm light at three ends for a wind-velocity indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320659732.2U CN203734123U (en) | 2013-10-22 | 2013-10-22 | Fiber laser outputting 660nm and 808nm light at three ends for a wind-velocity indicator |
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| Publication Number | Publication Date |
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| CN203734123U true CN203734123U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320659732.2U Expired - Fee Related CN203734123U (en) | 2013-10-22 | 2013-10-22 | Fiber laser outputting 660nm and 808nm light at three ends for a wind-velocity indicator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659638A (en) * | 2013-11-18 | 2015-05-27 | 无锡津天阳激光电子有限公司 | Fiber laser outputting double 660nm and 808nm laser at three ends for wind velocity indicator |
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2013
- 2013-10-22 CN CN201320659732.2U patent/CN203734123U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659638A (en) * | 2013-11-18 | 2015-05-27 | 无锡津天阳激光电子有限公司 | Fiber laser outputting double 660nm and 808nm laser at three ends for wind velocity indicator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20151022 |
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| EXPY | Termination of patent right or utility model |