CN106877131A - A kind of Internet of Things long wavelength fiber output laser of 2710nm, 808nm, 1500nm tri- - Google Patents

Abstract

A kind of Internet of Things 2710nm,808nm,The long wavelength fiber output lasers of 1500nm tri-,The periodically poled lithium niobate laserresonator of 2710nm four-wave mixings is set,In 808nm laser output optical fibres rear, 808nm splitting optical fiber circles are set,Beam splitting 808nm laser output all the way,In 1500nm laser output optical fibres rear, 1500nm splitting optical fiber circles are set,Beam splitting 1500nm outputs all the way,Flashlight 2710nm,Ideler frequency light 808nm,Pump light I1064nm and pump light II 1500nm enter 2710nm four-wave mixing periodically poled lithium niobate laserresonators,Generation four-wave mixing effect,Produce flashlight 2710nm outputs,Finally export 2710nm,808nm,The long wavelength fiber laser of 1500nm tri- is exported.

Description

A kind of Internet of Things long wavelength fiber output laser of 2710nm, 808nm, 1500nm tri-

Technical field：Laser and applied technical field.

Technical background：

The wavelength laser of 2710nm, 808nm, 1500nm tri-, be for Internet of Things spectral detection, lasing light emitter, The laser of the applications such as instrumental analysis, it can pass the ripple of 2710nm, 808nm, 1500nm tri- as Internet of Things optical fiber Light source is applied in analysis detection of sensor long etc., and it is additionally operable to laser and the optoelectronic areas such as Internet of Things optical communication； Optical fiber laser as third generation laser technology representative, with glass optical fiber low cost of manufacture and optical fiber can Rao Xing, glass material have an extremely low bulk area ratio, rapid heat dissipation, be lost it is low higher with conversion efficiency etc. excellent Point, range of application constantly expands.

The content of the invention：

A kind of Internet of Things long wavelength fiber output laser of 2710nm, 808nm, 1500nm tri-, sets 2710nm The periodically poled lithium niobate laserresonator of four-wave mixing, 808nm is set in 808nm laser output optical fibres rear Splitting optical fiber circle, beam splitting 808nm laser output all the way, 1500nm is set in 1500nm laser output optical fibres rear Splitting optical fiber circle, beam splitting 1500nm outputs, flashlight 2710nm, ideler frequency light 808nm, pump light I all the way 1064nm and pump light II 1500nm enter 2710nm four-wave mixing periodically poled lithium niobate laserresonators, Generation four-wave mixing effect, produces flashlight 2710nm outputs, finally exports 2710nm, 808nm, 1500nm Three long wavelength fiber laser are exported.

The structure of scheme one, the periodically poled lithium niobate laserresonator of 2710nm four-wave mixings.

Setting signal light 2710nm, ideler frequency light 808nm, pump light I 1064nm and pump light II 1500nm occur The structure of the periodically poled lithium niobate laserresonator of four-wave mixing, sets gradually three wavelength defeated from its input Enter mirror, 2710nm four-wave mixing periodically poled lithium niobates laser crystal, 2710nm outgoing mirrors, 2710nm to focus on Output coupling mirror, 2710nm focuses on output coupling mirror coupling and accesses 2710nm output optical fibres.

Scheme two, it is respectively provided with 808nm, 1500nm laser beam splitter fiber turns

808nm splitting optical fiber circles are set in 808nm laser output optical fibres rear, 808nm laser is defeated all the way for beam splitting Go out, 1500nm splitting optical fiber circles, beam splitting 1500nm outputs all the way are set in 1500nm laser output optical fibres rear.

Scheme three, setting 808nm gain laser resonators

808nm gain laser resonators are set, are set gradually from its input：3-stage optical fiber input mirror, 808nm gain lasers crystal, gain laser input mirror, 808nm gain lasers crystal, 808nm outgoing mirrors, 808nm with output end focuses on output coupling mirror, thus constitutes 808nm gain laser resonators

Scheme four, setting 1500nm periodically poled lithium niobate laserresonators

1500nm periodically poled lithium niobate laserresonators are set, are set gradually from its input：Two grades defeated Enter mirror, 1500nm fundamental frequency cycles poled lithium niobates laser crystal, 1500nm periodically poled lithium niobates laser crystal, 1500nm outgoing mirrors focus on output coupling mirror with the 1500nm of output end, thus constitute the period polarized niobiums of 1500nm Sour lithium laserresonator.

Scheme five, setting 1064nm resonators

1064nm resonators are set, 1064nm resonators are set, set gradually from its input：One-level is defeated Enter mirror, 1064nm laser crystals, 1064nm outgoing mirrors 11 and focus on output coupling mirror with the 1064nm of output end, Thus 1064nm resonators are constituted.

Scheme six, setting 3-stage optical fiber structure

3-stage optical fiber structure is set, and 3-stage optical fiber structure is by one-level fiber turns, the fine circle of secondary light and 3-stage optical fiber Circle is integrally connected and forms, and one-level fiber turns are connected on semiconductor module by 808nm pumping couplers, and half Conductor module is powered by semiconductor module power supply, and above-mentioned whole optical elements are all arranged on optical rail and ray machine On tool, fan 3 is set in optical rail and light equipment.

Core content of the invention：

A kind of Internet of Things long wavelength fiber output laser of 2710nm, 808nm, 1500nm tri-, in 808nm Laser output optical fibre rear sets 808nm splitting optical fiber circles, beam splitting 808nm laser output all the way, in 1500nm Laser output optical fibre rear sets 1500nm splitting optical fiber circles, beam splitting 1500nm outputs, setting signal all the way There is four-wave mixing in light 2710nm, ideler frequency light 808nm, pump light I 1064nm and pump light II 1500nm , there is four-wave mixing effect generation flashlight 2710nm optical fiber in the structure of periodically poled lithium niobate laserresonator Laser is exported, and constitutes the long wavelength fiber output laser structure of 2710nm, 808nm, 1500nm tri-.

Brief description of the drawings：

Accompanying drawing is the structure chart of this patent, and accompanying drawing is wherein：1st, optical rail and light equipment, 2, semiconductor module Block, 3, fan, 4,808nm pumping couplers, 5, semiconductor module power supply, 6, one-level fiber turns, 7, One-level fiber-optic output, 8, one-level fiber coupler, 9, one-level input mirror, 10,1064nm laser crystals, 11st, 1064nm outgoing mirrors, 12, focus on output coupling mirror, 13,1064nm output optical fibres, 14,1064nm Resonator, 15, the fine circle of secondary light, 16, secondary light fibre output end, 17, secondary light fibre coupler, 18, 1500nm focuses on output coupling mirror, and 19,1500nm output optical fibres, 20,1500nm periodically poled lithium niobates swash Luminescent crystal, 21,1500nm outgoing mirrors, 22,1500nm fundamental frequency cycles poled lithium niobate laser crystals, 23, Two grades of input mirrors, 24,1500nm periodically poled lithium niobate laserresonators, 25,3-stage optical fiber circle, 26, 808nm output optical fibres, 27,808nm focus on output coupling mirror, 28,808nm outgoing mirrors, 29,808nm Gain laser crystal, 30, gain laser input mirror, 31,808nm gain laser crystal, 32,3-stage optical fiber Input mirror, 33, three wavelength parameter couplers, 34,3-stage optical fiber coupler, 35,808nm gain lasers it is humorous Shake chamber, 36,3-stage optical fiber output end, 37, three wavelength parameter coupling transmission optical fibers, 38, the ripples of 2710nm tetra- Mixing periodically poled lithium niobate laserresonator, 39, three wavelength input mirror, 40,2710nm four-wave mixings week Phase poled lithium niobate laser crystal, 41,2710nm outgoing mirrors, 42,2710nm focus on output coupling mirror, 43, 2710nm output optical fibres, 44, the output of 2710nm laser, 45,808nm output optical fibres, 46,808nm points Beam fiber turns, 47,1500nm output optical fibres, 48,1500nm splitting optical fiber circles, 49,3-stage optical fiber structure.

Specific embodiment：

2710nm four-wave mixing periodically poled lithium niobates laserresonator 38 is set, in 808nm laser output lights Fine 26 rears set 808nm splitting optical fibers circle 46, and beam splitting 808nm laser output all the way is defeated in 1500nm laser Go out the rear of optical fiber 19 and 1500nm splitting optical fibers circle 48, beam splitting 1500nm outputs, setting signal light all the way are set There is the week of four-wave mixing in 2710nm, ideler frequency light 808nm, pump light I 1064nm and pump light II 1500nm The structure of phase poled lithium niobate laserresonator 38, it is humorous in 2710nm four-wave mixing periodically poled lithium niobate laser The output end of chamber 38 of shaking sets 2710nm and focuses on the coupling access 2710nm of output coupling mirror 42 output optical fibres 43, The rear of 808nm laser output optical fibre 26 sets 808nm splitting optical fibers circle 46, and 808nm laser is exported all the way for beam splitting, 1500nm splitting optical fibers circle 48 is set in the rear of 1500nm laser output optical fibre 19,1500nm is exported all the way for beam splitting, Ideler frequency light 808nm, pump light I 1064nm couple biography with pump light II 1500nm with from three wavelength parameters Fine 37 are lost, three wavelength parameter couplers 33 are set before three wavelength parameter coupling transmission optical fibers 37, will 1064nm output optical fibres 13,1500nm output optical fibres 19 couple access three wavelength ginseng with 808nm output optical fibres 26 Amount coupler 33, sets 808nm gain lasers resonator 35, and 808nm gain lasers resonator 35 is defeated by its The 808nm focusing output coupling mirrors 27 for going out end are linked into 808nm output optical fibres 26, and 808nm gain lasers are humorous The input in chamber 35 of shaking is connected in 3-stage optical fiber output end 36 by 3-stage optical fiber coupler 34, and 3-stage optical fiber is defeated Go out end 36 to be drawn by the 3-stage optical fiber circle 25 of 3-stage optical fiber structure 49；Setting signal light 2710nm four-wave mixings The structure of periodically poled lithium niobate laserresonator 38, from its input set gradually three wavelength input mirror 39, 2710nm four-wave mixing periodically poled lithium niobates laser crystal 40,2710nm outgoing mirrors 41,2710nm focuses on coupling Outgoing mirror 42 is closed, 2710nm focuses on the coupling of output coupling mirror 42 and accesses 2710nm output optical fibres 43, sets 1500nm Periodically poled lithium niobate laserresonator 24,1500nm periodically poled lithium niobates laserresonator 24 passes through it The 1500nm of output end focuses on output coupling mirror 18 and is linked into 1500nm output optical fibres 19,1500nm cycle poles Change lithium niobate laserresonator 24 and the fine output of secondary light is connected on by the secondary light fibre coupler 17 of its input On end 16, secondary light fibre output end 16 is drawn from the fine circle 15 of secondary light of 3-stage optical fiber structure 49；Set 1064nm resonators 14, the output end of 1064nm resonators 14 focuses on output coupling mirror 12 and accesses by 1064nm To in 1064nm output optical fibres 13,1064nm resonators 14 are connect by the one-level fiber coupler 8 of its input On one-level fiber-optic output 7, one-level fiber-optic output 7 is drawn by the one-level fiber turns 6 of 3-stage optical fiber structure 49； 808nm gain lasers resonator 35 is set, is set gradually from its input：3-stage optical fiber input mirror 32, 808nm gain lasers crystal 31, gain laser input mirror 30,808nm gain lasers crystal 29,808nm are defeated The 808nm of appearance 28, output end focuses on output coupling mirror 27, thus constitutes 808nm gain lasers resonator 35； 1500nm periodically poled lithium niobates laserresonator 24 is set, is set gradually from its input：Two grades of inputs Mirror 23,1500nm fundamental frequency cycles poled lithium niobates laser crystal 22,1500nm outgoing mirrors 21 and output end 1500nm focuses on output coupling mirror 18, thus constitutes 1500nm periodically poled lithium niobates laserresonator 24； 1064nm resonators 14 are set, are set gradually from its input：One-level input mirror 9,1064nm laser are brilliant Body 10,1064nm outgoing mirrors 11 focus on output coupling mirror 12 with the 1064nm of output end, thus constitute 1064nm Resonator 14, sets 3-stage optical fiber structure 49, and 3-stage optical fiber structure 49 is enclosed by one-level fiber turns 6, secondary light are fine 15 are integrally connected with 3-stage optical fiber circle 25 and form, and one-level fiber turns 6 are connected to by 808nm pumping couplers 4 On semiconductor module 2, semiconductor module 2 is powered by semiconductor module power supply 5, and above-mentioned whole optical elements are all pacified In optical rail and light equipment 1, fan 3 is set in optical rail and light equipment 1, it is overall to constitute The long wavelength fiber output laser structure of 2710nm, 808nm, 1500nm tri-.

The course of work：

Semiconductor module power supply 5 supplies electricity to semiconductor module 2 and powers, and the transmitting of semiconductor module 2 808nm swashs Light is coupled into one-level fiber turns 6 through 808nm pumping couplers 4, hence into 3-stage optical fiber structure 49 The fine circle 15 of secondary light and 3-stage optical fiber circle 25,808nm laser obtain gain in 3-stage optical fiber structure 49, 3-stage optical fiber output end 36 is drawn from by 3-stage optical fiber circle 25, input 808nm laser enters 808nm gains Laserresonator 35, generates through the 808nm gain lasers crystal 31 of 808nm gain lasers resonator 35 1064nm laser goes pump optical parametric oscillation to generate 808nm laser, and output coupling mirror 27 is focused on through 808nm It is coupled in 808nm output optical fibres 26, by its input 808nm laser to three wavelength parameter couplers 33； Secondary light fibre output end 16 is drawn from by the fine circle 15 of secondary light, input 808nm laser enters the 1500nm cycles Poled lithium niobate laserresonator 24, through the 1500nm of 1500nm periodically poled lithium niobates laserresonator 24 Fundamental frequency cycles poled lithium niobate laser crystal 22 generates 1500nm laser, and output coupling mirror is focused on through 1500nm 18 are coupled in 1500nm output optical fibres 19, and 1500nm laser to three wavelength parameter couplers is input into by it In 33；One-level fiber-optic output 7 is drawn from by one-level fiber turns 6, input 808nm laser enters 1064nm Resonator 14, the generation 1064nm basic frequency lasers of 1064nm resonators 14, coupling output is focused on through 1064nm Mirror 12 is coupled in 1064nm output optical fibres 13, and be input into 1064nm laser by it couples to three wavelength parameters In device 33；So as to 808nm laser, 1064nm laser and 1500nm laser are through three wavelength parameter couplers 33 are coupled into 2710nm four-wave mixing periodically poled lithium niobates laserresonator 38, flashlight 2710nm, There is four-wave mixing effect in ideler frequency light 808nm, pump light I 1064nm and pump light II 1500nm, make signal Light 2710nm occurs, gain, and flashlight 2710nm focuses on output coupling mirror 42 and 2710nm through 2710nm The output 2710nm laser of output optical fibre 43 output 44,808nm is set in the rear of 808nm laser output optical fibre 26 Splitting optical fiber circle 46, beam splitting 808nm laser output all the way, sets in the rear of 1500nm laser output optical fibre 19 Put 1500nm splitting optical fibers circle 48, beam splitting 1500nm outputs all the way.

Claims (1)

1. a kind of Internet of Things long wavelength fiber output laser of 2710nm, 808nm, 1500nm tri-, its feature For, in 808nm laser output optical fibres rear, 808nm splitting optical fiber circles are set, 808nm laser is defeated all the way for beam splitting Go out, 1500nm splitting optical fiber circles are set in 1500nm laser output optical fibres rear, 1500nm is defeated all the way for beam splitting Go out, setting signal light 2710nm, ideler frequency light 808nm, pump light I 1064nm and pump light II 1500nm hair , there is four-wave mixing effect generation flashlight in the structure of the periodically poled lithium niobate laserresonator of raw four-wave mixing 2710nm optical-fiber lasers are exported, and constitute the long wavelength fiber output laser knot of 2710nm, 808nm, 1500nm tri- Structure.