CN104518394A - 660 nm, 1064 nm and 1319 nm triple-output triple-wavelength fiber laser for internet of things - Google Patents
660 nm, 1064 nm and 1319 nm triple-output triple-wavelength fiber laser for internet of things Download PDFInfo
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- CN104518394A CN104518394A CN201310467665.9A CN201310467665A CN104518394A CN 104518394 A CN104518394 A CN 104518394A CN 201310467665 A CN201310467665 A CN 201310467665A CN 104518394 A CN104518394 A CN 104518394A
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Abstract
A 660 nm, 1064 nm and 1319 nm triple-output triple-wavelength fiber laser for internet of things is characterized in that a multi-mode pump diode module set transmits 808 nm pumped light, the pumped light is coupled by a coupler to a double-output transfer fiber and is output from two ends, a right beam of the pumped light is pumped by a right fiber coupler to irradiate 1319 nm photons which are amplified in a right fiber resonant cavity into 1319 nm laser, which is output from the two ends, the 1319 nm laser from one end is processed by a KTP crystal into doubled-frequency light 660 nm in wavelength, the 1319 nm laser from the other end is processed a beam expander 2 and an output lens into 1319 nm laser, forming 660 nm and 1319 nm laser, a left beam of the pumped light is pumped by a left fiber coupler to irradiate 1064 nm photons which are amplified in the resonant cavity into 1064 nm laser, and therefore, the 660 nm, 1064 nm and 1319 nm triple-output triple-length laser from left and right paths is formed.
Description
Background technology:
660nm and 1064nm and 1319nm wavelength laser, the laser applied for Internet of Things spectral detection, lasing light emitter, instrumental analysis etc., it can be used as the using light sources such as the analyzing and testing of Internet of Things Fibre Optical Sensor, and it is also for laser and optoelectronic areas such as Internet of Things 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 Internet of Things three-polar output 660nm and 1064nm and 1319nm 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, right wing, pump light is through right fiber coupler, pumping radiation 1319nm photon, amplify in right fiber resonance cavity, export 1319nm laser dual-end to export, through ktp crystal, produce frequency doubled light wavelength 660nm, the other end is through 2 beam expanding lenss, outgoing mirror directly exports 1319nm laser, form 660nm and 1319nm laser, left, pump light is through left fiber coupler, pumping radiation 1064nm photon, amplify in resonant cavity, export 1064nm laser, thus, left and right road three-polar output 660nm and 1064nm and 1319nm three-wavelength laser.
The present invention program one, a kind of Internet of Things three-polar output 660nm and 1064nm and 1319nm 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 two ends, left and right.
Right wing, 808nm pump light, to be coupled in double clad Nd3+:YAG single crystal fiber between surrounding layer through fiber coupler, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, 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 1319nm photon, it vibrates and amplifies in the laserresonator be made up of left fiber-optic output and right fiber-optic output, form 1319nm laser dual-end to export, one end enters right ktp crystal, produce frequency doubled light wavelength 660nm, fiber-optic output and outgoing mirror form frequency doubling cavity, export through right outgoing mirror, 660nm laser is exported again through right 1 beam expanding lens and right 1 focus lamp, the other end enters right 2 beam expanding lenss, outgoing mirror, right 2 focus lamps export 1319nm laser, form right 1 and export 660nm laser, right 2 export 1319nm laser.
Left, the left fiber coupler of 808nm pump light, be coupled to left double clad Nd3+:YAG single crystal fiber input, it enters between inside and outside double clad that it enters into left double clad Nd3+:YAG single crystal fiber, inner cladding adopts ellipsoidal structure, surrounding layer adopts circular configuration, pump light is roundtrip between inner cladding and surrounding layer, repeatedly be absorbed through fiber core with single-mold, fiber core with single-mold Nd3+: ion energy-absorbing generation energy level transition, radiation 1064nm photon, amplify in the resonant cavity that left double clad Nd3+:YAG single crystal fiber input and output form, 1064nm laser is exported through it, export through outgoing mirror and export 1064nm laser through left beam expanding lens and left focus lamp.
Thus, left exports 532nm laser and right wing exports 660nm, 1319nm 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.
Right wing optical fiber, adopt double clad Nd3+:YAG single crystal fiber, the inhomogeneous broadening that the division of its glass matrix is formed causes absorption band wider, namely the crystalline phase matching range of glass optical fiber to incident pump light is wide, adopt the cladding pumping technique of doubly clad optical fiber, doubly clad optical fiber is made up of four levels: 1. fiber cores, 2. inner cladding, 3. surrounding layer, 4. protective layer, employing cladding pumping technique is as follows, one group of multimode pumping 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 1319nm photon, both-end exports, right 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.
Left optical fiber, identical with right wing 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.
Right 1 road optical fiber: fiber-optic output: plate the reflectivity film to 1319nm wavelength light T=6%, plates 660nm wavelength light high reflection film.
Right 1 tunnel output optic acts, the anti-reflection film of plating 660nm wavelength light, plates 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 road fiber-optic output platings are to 1319nm wavelength light T=5% reflectivity film.
Right 2 tunnel output optic acts, plate 660nm wavelength light high reflection film.
Left optical fiber: optic fibre input end plating is to 1064nm wavelength light high reflection film, and fiber-optic output plates the reflectivity film to 1064nm wavelength light T=6%.
Left output optic acts, plates 1064nm wavelength light high-transmission rate film.
The present invention program four, application scheme.
Two ends, left and right Output of laser, implements acted as reference mutual, each other flashlight, each other seed light, exports simultaneously, avoids interfering.
Core content of the present invention:
1. semiconductor module is set, by semiconductor module Power supply, export 808nm wavelength pump light, semiconductor module arranges coupler, on coupler, pumping optical fiber is set, by coupler, 808nm wavelength coupling pump light is entered pumping optical fiber, arrange pumping optical fiber be annular both sides upwards in the same way bilateral export end mirror structure, i.e. pumping optical fiber bilateral output end mirror structure in the same way, arrange and form bilateral 808nm Laser output by pumping optical fiber left output end mirror and the right output end mirror of pumping optical fiber, export on end mirror at pumping optical fiber bilateral, 1064 optical fiber and 1319 optical fiber are set respectively.
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 is set to the structure of the one-sided double-width grinding in opposite directions of annular and output, be of coupled connections by left coupler the input end mirror of optical fiber of the left output end mirror of pumping optical fiber and 1064nm wavelength, the 808nm laser that pumping optical fiber left output end mirror exports enters 1064nm long wavelength fiber through left coupler, the input end mirror arranging the optical fiber of 1064nm wavelength with output end mirror is: the fiber resonance cavity that wavelength 1064nm infrared light occurs, namely form 1064nm infrared light to export, the top of the output end mirror of the optical fiber of 1064nm wavelength sets gradually: 1064nm outgoing mirror, 1064nm beam expanding lens expands and 1064nm focus lamp, 1064nm infrared light expands through beam expanding lens and exports with focus lamp.
Right wing, on the left output end mirror of pumping optical fiber, right coupler is set, the optical fiber of 1319nm wavelength is set on right coupler, the optical fiber of 1319nm wavelength be set to annular both sides upwards in the same way bilateral export end mirror structure, be of coupled connections by right coupler the optical fiber of 1319nm wavelength, pump light 808nm laser enters 1319nm long wavelength fiber through right coupler, the left output end mirror and the right output end mirror that arrange the optical fiber of 1319nm wavelength are: the fiber resonance cavity that wavelength 1319nm infrared light occurs, namely form 1319nm infrared light to export, the top of the 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 and 660nm focus lamp, 1319nm wavelength is through frequency multiplication 660nm laser ktp crystal, frequency multiplication exports 660nm laser, expand through beam expanding lens and export 660nm laser with focus lamp, 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 and right three tunnel forms 660nm, 1064nm and 1319nm laser three-wavelength Laser output, that is forms 660nm, 1064nm and 1319nm 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 1064nm wavelength light high reflection film.
3. arrange the optical fiber of 1064nm wavelength, 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 infrared light high reflection film.
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. about, three tunnels form 660nm, 1064nm and 1319nm laser three-wavelength Laser outputs, 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 long wavelength fiber, 7, the left output end mirror of 1319nm long wavelength fiber, 8, the right output end mirror of 1319nm long wavelength fiber, 9, frequency multiplication 660 laser ktp crystal, 10, 660nm outgoing mirror, 11, 660nm beam expanding lens, 12, 660nm focus lamp, 13, right wing 660nm Laser output, 14, 1319nm beam expanding lens, 15, 1319nm focus lamp, 16, 1319nm Laser output, 17, 532nm Laser output, 18, 532nm focus lamp, 19, 532nm beam expanding lens, 20, 1319nm outgoing mirror, 21, 532nm exports end mirror, 22, optical rail and ray machine tool, 23, 1064nm fiber-optic output mirror, 24, 1064nm optical fiber, 25, 1064nm optic fibre input end mirror, 26 left couplers, 27, the left output end mirror of pumping optical fiber, 28, fan, 29, semiconductor module block power supply.
Embodiment:
Semiconductor module 1 is set, powered by semiconductor module block power supply 29, export 808nm wavelength pump light, semiconductor module 1 arranges coupler 2, pumping optical fiber 3 is set on coupler 2, by coupler 2,808nm wavelength coupling pump light is entered pumping optical fiber 3, arrange pumping optical fiber 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 left output end mirror 27 and pumping optical fiber right output 4 mirror, on pumping optical fiber in the same way bilateral output end mirror structure, 1064nm optical fiber 24 and 1319nm optical fiber 6 are set respectively.
Left, on the left output end mirror 27 of pumping optical fiber, left coupler 26 is set, on left coupler 26,1064nm optical fiber 24 is set, 1064nm optical fiber 24 is set to the structure of the one-sided double-width grinding in opposite directions of annular and output, be of coupled connections by left coupler 26 the input end mirror 25 of the left output end mirror of pumping optical fiber 27 and the optical fiber of 1064nm wavelength, the 808nm laser that pumping optical fiber left output end mirror 27 exports enters 1064nm optical fiber 24 through left coupler 26, the input end mirror 25 arranging 1064nm optical fiber 24 with output end mirror 23 is: the fiber resonance cavity that wavelength 1064nm infrared light occurs, namely form 1064nm infrared light to export, the top of the output end mirror 23 of 1064nm optical fiber sets gradually: 1064nm outgoing mirror 21, 1064nm beam expanding lens 19 and 1064nm focus lamp 18, 1064nm infrared light expands through beam expanding lens and exports 1064nm Laser output 17 with focus lamp.
Right wing, on the left output end mirror of pumping optical fiber, right coupler is set, the optical fiber of 1319nm wavelength is set on right coupler, the optical fiber of 1319nm wavelength be set to annular both sides upwards in the same way bilateral export end mirror structure, be of coupled connections by right coupler the optical fiber of 1319nm wavelength, pump light 808nm laser enters 1319nm long wavelength fiber through right coupler, the left output end mirror and the right output end mirror that arrange the optical fiber of 1319nm wavelength are: the fiber resonance cavity that wavelength 1319nm infrared light occurs, namely form 1319nm infrared light to export, the top of the 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 and 660nm focus lamp, 1319nm wavelength is through frequency multiplication 660nm laser ktp crystal, frequency multiplication exports 660nm laser, expand through beam expanding lens and export 660nm laser with focus lamp, 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 and right three tunnel forms 660nm, 1064nm and 1319nm laser three-wavelength Laser output, that is forms 660nm, 1064nm and 1319nm 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 660nm, 1064nm and 1319nm laser three-wavelength fiber laser.
Claims (4)
1. an Internet of Things both-end exports 1064nm and 660nm dual wavelength fibre 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 left output end mirror and the right output end mirror of pumping optical fiber, export on end mirror at pumping optical fiber bilateral, 1064 optical fiber and 1319 optical fiber are set respectively.
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 is set to the structure of the one-sided double-width grinding in opposite directions of annular and output, be of coupled connections by left coupler the input end mirror of optical fiber of the left output end mirror of pumping optical fiber and 1064nm wavelength, the 808nm laser that pumping optical fiber left output end mirror exports enters 1064nm long wavelength fiber through left coupler, the input end mirror arranging the optical fiber of 1064nm wavelength with output end mirror is: the fiber resonance cavity that wavelength 1064nm infrared light occurs, namely form 1064nm infrared light to export, the top of the output end mirror of the optical fiber of 1064nm wavelength sets gradually: 1064nm outgoing mirror, 1064nm beam expanding lens expands and 1064nm focus lamp, 1064nm infrared light expands through beam expanding lens and exports with focus lamp.
Right wing, on the left output end mirror of pumping optical fiber, right coupler is set, the optical fiber of 1319nm wavelength is set on right coupler, the optical fiber of 1319nm wavelength be set to annular both sides upwards in the same way bilateral export end mirror structure, be of coupled connections by right coupler the optical fiber of 1319nm wavelength, pump light 808nm laser enters 1319nm long wavelength fiber through right coupler, the left output end mirror and the right output end mirror that arrange the optical fiber of 1319nm wavelength are: the fiber resonance cavity that wavelength 1319nm infrared light occurs, namely form 1319nm infrared light to export, the top of the 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 and 660nm focus lamp, 1319nm wavelength is through frequency multiplication 660nm laser ktp crystal, frequency multiplication exports 660nm laser, expand through beam expanding lens and export 660nm laser with focus lamp, 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 and right three tunnel forms 660nm, 1064nm and 1319nm laser three-wavelength Laser output, that is forms 660nm, 1064nm and 1319nm laser three-wavelength fiber laser.
2. according to claim 1, a kind of Internet of Things both-end exports 1064nm and 660nm dual wavelength fibre laser, it is characterized by: 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 1064nm wavelength light high reflection film.
3. according to claim 1, a kind of Internet of Things both-end exports 1064nm and 660nm dual wavelength fibre laser, it is characterized by: 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, plating 1064nm infrared light high reflection film.
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. according to claim 1, a kind of Internet of Things both-end exports 1064nm and 660nm dual wavelength fibre laser, it is characterized by: left and right three tunnel forms 660nm, 1064nm and 1319nm laser three-wavelength Laser output, they can acted as reference mutual, can intersect for signal source, realize run-in synchronism, avoid interfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467665.9A CN104518394A (en) | 2013-09-30 | 2013-09-30 | 660 nm, 1064 nm and 1319 nm triple-output triple-wavelength fiber laser for internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467665.9A CN104518394A (en) | 2013-09-30 | 2013-09-30 | 660 nm, 1064 nm and 1319 nm triple-output triple-wavelength fiber laser for internet of things |
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| Publication Number | Publication Date |
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| CN104518394A true CN104518394A (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310467665.9A Pending CN104518394A (en) | 2013-09-30 | 2013-09-30 | 660 nm, 1064 nm and 1319 nm triple-output triple-wavelength fiber laser for internet of things |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5530710A (en) * | 1995-05-15 | 1996-06-25 | At&T Corp. | High-power pumping of three-level optical fiber laser amplifier |
| CN203103748U (en) * | 2012-11-14 | 2013-07-31 | 无锡津天阳激光电子有限公司 | Fiber laser outputting laser light with dual wavelengths of 659.5nm and 1319nm |
| 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 |
| 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 |
-
2013
- 2013-09-30 CN CN201310467665.9A patent/CN104518394A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5530710A (en) * | 1995-05-15 | 1996-06-25 | At&T Corp. | High-power pumping of three-level optical fiber laser amplifier |
| CN203103748U (en) * | 2012-11-14 | 2013-07-31 | 无锡津天阳激光电子有限公司 | Fiber laser outputting laser light with dual wavelengths of 659.5nm and 1319nm |
| 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 |
| 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 |
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Application publication date: 20150415 |