CN203631960U - Internet of things-used four-end-output double-beam 532nm and double-beam 660nm wavelength optical fiber laser - Google Patents
Internet of things-used four-end-output double-beam 532nm and double-beam 660nm wavelength optical fiber laser Download PDFInfo
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- CN203631960U CN203631960U CN201320619095.6U CN201320619095U CN203631960U CN 203631960 U CN203631960 U CN 203631960U CN 201320619095 U CN201320619095 U CN 201320619095U CN 203631960 U CN203631960 U CN 203631960U
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Abstract
An internet of things-used four-end-output double-beam 532nm and double-beam 660nm wavelength optical fiber laser is provided. According to the optical fiber laser, a multimode pump diode module emits 808nm pump light, and the 808nm pump light is coupled to a double-end-output single-layer 808nm pump light transmission optical fiber through a coupler, and the pump light is outputted from two ends; according to a right path, the pump light is coupled into a right double-cladding Nd3+:YAG single-crystal optical fiber through a right optical fiber, and 1319nm laser is outputted from two ends, and the 1319nm laser outputted from one end enters a right KTP crystal, and frequency-multiplied 660nm-wavelength light can be generated, and frequency-multiplied 660nm-wavelength light can be also generated at the other end; according to a left path, the pump light is coupled to a left double-cladding Nd3+:YAG single-crystal optical fiber through a left optical fiber, and 1064nm laser can be outputted from two ends, and the 1064nm laser outputted from one end enters a left KTP crystal, frequency-multiplied 532nm-wavelength light can be generated, and the 1064nm laser outputted from the other end enters an optical path, and 532nm laser can be also outputted; and therefore, double-beam 532nm and double-beam 660nm four-wavelength laser can be outputted from four ends of the left path and the right path.
Description
Technical field:
Laser and Internet of Things applied technical field.
Background technology:
Two-beam 532nm and two-beam 660nm wavelength laser, the laser for application such as spectral detection, lasing light emitter, instrumental analysis for Internet of Things, it can be used as the using light sources such as the Internet of Things analyzing and testing of Fibre Optical Sensor, and it is also for the laser such as optical communication and optoelectronic areas for Internet of Things; 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.
Utility model content:
Four end output two-beam 532nm and two-beam 660nm tetra-long wavelength fiber lasers for a kind of Internet of Things, it is characterized by: 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 1319nm of pumping photon amplifies in right fiber resonance cavity, both-end output 1319nm laser, one tunnel produces frequency doubled light wavelength 660nm through right ktp crystal, and 1319nm laser is directly exported on another road; Left road, the left optical fiber radiation 1064nm of pumping photon amplifies in left fiber resonance cavity, both-end output 1064nm laser, a road produces frequency doubled light wavelength 532nm through left ktp crystal, and 1064nm laser is directly exported on another road, thus, four end output two-beam 532nm and two-beam 660nm tetra-wavelength lasers.
For the utility model scheme one, a kind of Internet of Things, four ends are exported two-beam 532nm and two-beam 660nm tetra-long wavelength fiber laser method and apparatus.
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 1319nm photon, its amplification of vibrating in the laserresonator being formed by left fiber-optic output and right fiber-optic output, form the output of 1319nm laser dual-end, one end enters right ktp crystal, produce frequency doubled light wavelength 660nm, 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 660nm laser, the other end enters the right side 2 light paths with right 1 light path, same output 660nm laser, two-beam output 660nm laser.
Left road, the left fiber coupler of 808nm pump light, be coupled to left double clad Nd3+:YAG single crystal fiber input, it enters into it and enters between the inside and outside double clad of left double clad Nd3+:YAG single crystal fiber, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, pump light carrys out back reflective between inner cladding and surrounding layer, repeatedly be absorbed through fiber core with single-mold, fiber core with single-mold Nd3+: ion energy-absorbing generation energy level transition, radiation 1064nm photon, in the resonant cavity of left double clad Nd3+:YA6 single crystal fiber input and output composition, amplify, through its output 1064nm laser, both-end output 1064nm laser, one end enters left ktp crystal, produce frequency doubled light wavelength 532nm, 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 532nm laser, the other end enters a left side 2 light paths with left 1 light path, same output 532nm laser, two-beam output 532nm laser.
Form thus left and right Lu Siduan output two-beam 532nm and two-beam 660nm wavelength laser.
The utility model scheme 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 1319nm photon, right fiber-optic output plates 1319nm wavelength light T=5% reflectivity film, fiber-optic output plates the reflectivity film to 1319nm wavelength light T=6%, optical fiber two ends form resonant cavity, optical fiber is designed to annular, its medial end portions coupler.
Left road optical fiber, identical with right wing fiber body, difference is, and its intermediate ends arranges coupler, and 532nm optical fiber is inputted out end plating wavelength rete difference, double-frequency laser ktp crystal plating wavelength rete difference.
The utility model scheme 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 1319nm wavelength light T=6%, plating is to 660nm wavelength light high reflection film.
Right 1 tunnel output eyeglass, the anti-reflection film of plating 660nm wavelength light, plating is to 1319nm wavelength light high reflection film.
Right 1 road double-frequency laser ktp crystal, the anti-reflection film of two ends plating 660nm wavelength light.
Right 2 tunnels are with right 1 tunnel.
Left 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.
Left 1 tunnel output eyeglass, the anti-reflection film of plating 532nm wavelength light, plating is to 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 tunnels are with left 1 tunnel
The utility model scheme 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 utility model:
1. semiconductor module is set, by semiconductor module Power supply, output 808nm wavelength pump light, coupler is set on semiconductor module, pumping optical fiber is set on coupler, by coupler, 808nm wavelength pumping optical coupling is entered to pumping optical fiber, pumping optical fiber be set be upwards bilateral output end mirror structure in the same way of annular both sides, it is pumping optical fiber bilateral output end mirror structure in the same way, arrange and form bilateral 808nm Laser output by the right output end mirror of pumping optical fiber and the left output end mirror of pumping optical fiber, on pumping optical fiber bilateral output end mirror, 1319 optical fiber and 1064 optical fiber are set respectively.
Right wing, on the right output end mirror of pumping optical fiber, right coupler is set, the optical fiber of 1319nm wavelength is set on right coupler, the optical fiber of 1319nm wavelength is set to upwards bilateral output end mirror structure in the same way of annular both sides, by the be of coupled connections optical fiber of the right output end mirror of pumping optical fiber and 1319nm wavelength of right coupler, pump light 808nm laser enters 1319nm long wavelength fiber through left coupler, right output end mirror and left output end mirror that the optical fiber of 1319nm wavelength is set are: the fiber resonance cavity that wavelength 1319nm infrared light occurs, form the output of 1319nm infrared light, the top of the left end output end mirror of 1319nm optical fiber sets gradually: 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, 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, expand the laser with focus lamp output 660nm through beam expanding lens.
Left road, on the right output end mirror of pumping optical fiber, left coupler is set, the optical fiber of 1064nm wavelength is set on left coupler, the optical fiber of 1064nm wavelength is set to upwards bilateral output end mirror structure in the same way of annular both sides, by the be of coupled connections optical fiber of 1064nm wavelength of left coupler, pump light 808nm laser enters 1064nm long wavelength fiber through left coupler, right output end mirror and left output end mirror that the optical fiber of 1064nm wavelength is set are: the fiber resonance cavity that wavelength 1064nm infrared light occurs, form the output of 1064nm infrared light, the top of the left end output end mirror 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.
You Zuo tetra-tunnels form two 532nm and two 660nm laser four wavelength laser outputs, that is form 532nm and two 660nm 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 light high-transmission rate film, plating 1319nm wavelength light high reflection film.
3. the optical fiber of 1319nm wavelength is set, and 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 tetra-tunnels form 532nm and two 660nm laser four wavelength lasers outputs, 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 utility model, below in conjunction with accompanying drawing, the course of work is once described.
Accompanying drawing is wherein: 1, semiconductor module, 2, coupler, 3, pumping optical fiber, 4, the right output end mirror of pumping optical fiber, 5, right wing coupler, 6, 1319nm optical fiber, 7, the left output end mirror of 1319nm optical fiber, 8, the right output end mirror of 1319nm optical fiber, 9, 660nm outgoing mirror, 10, 1319nm beam expanding lens, 11, 1319nm focus lamp, 12, 660nm Laser output, 13, 1319nm beam expanding lens, 14, 1319nm focus lamp, 15, 1319nm Laser output, 16, 1319nm outgoing mirror, 17, 1064nm Laser output, 18, 1064 focus lamps, 19, 1064nm outgoing mirror, 20, 1064nm 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 660 laser ktp crystals, 34, frequency multiplication 532 laser ktp crystals, 35, frequency multiplication 532 laser ktp crystals, 36, frequency multiplication 660 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 5,1319nm optical fiber 6 is set, 1319nm optical fiber 6 is set to upwards bilateral output end mirror structure in the same way of annular both sides, by right coupler 5 the be of coupled connections right output end mirror of pumping optical fiber 4 and 1319nm optical fiber 6, pump light 808nm laser enters 1319nm long wavelength fiber through left coupler 5, the right output end mirror 8 that 1319nm optical fiber is set with left output end mirror 8 is: the fiber resonance cavity that wavelength 1319nm infrared light occurs, form the output of 1319nm infrared light, the top of the right output end mirror 8 of 1319nm optical fiber sets gradually: 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 top of the left end output end mirror of 1319nm optical fiber sets gradually: 1319nm beam expanding lens, 1319nm outgoing mirror, 1319nm focus lamp.
Left road, on the right output end mirror of pumping optical fiber, left coupler is set, the optical fiber of 1064nm wavelength is set on left coupler, the optical fiber of 1064nm wavelength is set to upwards bilateral output end mirror structure in the same way of annular both sides, by the be of coupled connections optical fiber of 1064nm wavelength of left coupler, pump light 808nm laser enters 1064nm long wavelength fiber through left coupler, right output end mirror and left output end mirror that the optical fiber of 1064nm wavelength is set are: the fiber resonance cavity that wavelength 1064nm infrared light occurs, form the output of 1064nm infrared light, the top of the left end output end mirror 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, the top of the right-hand member output end mirror of 1064nm optical fiber sets gradually: 1064nm beam expanding lens, 1064nm outgoing mirror, 1064nm focus lamp.
You Zuo tetra-tunnels form 532nm and two 660nm laser four wavelength laser outputs, that is form 532nm and two 660nm 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 532nm and two 660nm laser four long wavelength fiber lasers.
Claims (4)
1. four end output two-beam 532nm and two-beam 660nm long wavelength fiber lasers for Internet of Things, 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, arrange and form bilateral 808nm Laser output by the right output end mirror of pumping optical fiber and the left output end mirror of pumping optical fiber, on pumping optical fiber bilateral output end mirror, 1319 optical fiber and 1064 optical fiber are set respectively, right wing, on the right output end mirror of pumping optical fiber, right coupler is set, the optical fiber of 1319nm wavelength is set on right coupler, the optical fiber of 1319nm wavelength is set to upwards bilateral output end mirror structure in the same way of annular both sides, by the be of coupled connections optical fiber of the right output end mirror of pumping optical fiber and 1319nm wavelength of right coupler, pump light 808nm laser enters 1319nm long wavelength fiber through left coupler, right output end mirror and left output end mirror that the optical fiber of 1319nm wavelength is set are: the fiber resonance cavity that wavelength 1319nm infrared light occurs, form the output of 1319nm infrared light, the top of the left end output end mirror of 1319nm optical fiber sets gradually: 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, 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, expand the laser with focus lamp output 660nm through beam expanding lens, left road, on the right output end mirror of pumping optical fiber, left coupler is set, the optical fiber of 1064nm wavelength is set on left coupler, the optical fiber of 1064nm wavelength is set to upwards bilateral output end mirror structure in the same way of annular both sides, by the be of coupled connections optical fiber of 1064nm wavelength of left coupler, pump light 808nm laser enters 1064nm long wavelength fiber through left coupler, right output end mirror and left output end mirror that the optical fiber of 1064nm wavelength is set are: the fiber resonance cavity that wavelength 1064nm infrared light occurs, form the output of 1064nm infrared light, the top of the left end output end mirror 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.
2. four end output two-beam 532nm and two-beam 660nm long wavelength fiber lasers for a kind of Internet of Things according to claim 1, it is characterized by: adopt doubly clad optical fiber to use as pumping optical fiber, pumping optical fiber output end mirror plating 808nm wavelength light high-transmission rate film, plating 1319nm wavelength light high reflection film.
3. four end output two-beam 532nm and two-beam 660nm long wavelength fiber lasers for a kind of Internet of Things according to claim 1, it is characterized by: the optical fiber that 1319nm wavelength is set, 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. four end output two-beam 532nm and two-beam 660nm long wavelength fiber lasers for a kind of Internet of Things according to claim 1, it is characterized by: You Zuo tetra-tunnels form 532nm and two 660nm optical maser wavelength Laser outputs, 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 |
|---|---|---|---|
| CN201320619095.6U CN203631960U (en) | 2013-09-30 | 2013-09-30 | Internet of things-used four-end-output double-beam 532nm and double-beam 660nm wavelength optical fiber laser |
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| CN201320619095.6U CN203631960U (en) | 2013-09-30 | 2013-09-30 | Internet of things-used four-end-output double-beam 532nm and double-beam 660nm wavelength optical fiber laser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104518400A (en) * | 2013-09-30 | 2015-04-15 | 无锡津天阳激光电子有限公司 | Four-end-output double-beam 532nm and double-beam 660nm wavelength optical fiber laser for Internet of Things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104518400A (en) * | 2013-09-30 | 2015-04-15 | 无锡津天阳激光电子有限公司 | Four-end-output double-beam 532nm and double-beam 660nm wavelength optical fiber laser for Internet of Things |
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