CN105896244A - 970nm, 1064nm, 1319nm and 1500nm four-wavelength optical fiber output laser for internet of things - Google Patents

Abstract

The invention relates to a 970nm, 1064nm, 1319nm and 1500nm four-wavelength optical fiber output laser for the internet of things, which is characterized in that a four-wave mixing periodically poled lithium niobate laser resonant cavity is arranged; a 1500nm beam splitting optical fiber ring is arranged at the tail section of a 1500nm laser output optical fiber, and a path of 1500nm laser output is branched; a 1064nm beam splitting optical fiber ring is arranged, and a path of 1064nm laser output is branched; a 1319nm beam splitting optical fiber ring is arranged, and a path of 1319nm output is branched; and 970nm signal light, 1500nm idler frequency light, 1064nm pump light I and 1319nm pump light II enter the 970nm four-wave mixing periodically poled lithium niobate laser resonant cavity, a four-wave mixing effect is generated, 970nm signal light output is generated, and finally 970nm, 1064nm, 1319nm and 1500nm four-wavelength optical fiber laser output is performed.

Description

A kind of Internet of Things 970nm, 1064nm, 1319nm, 1500nm tetra-long wavelength fiber output laser

Technical field: laser instrument and applied technical field.

Technical background:

970nm, 1064nm, 1319nm, 1500nm tetra-wavelength laser, be for Internet of Things spectral detection, Lasing light emitter, instrumental analysis etc. application laser, it can as Internet of Things optical fiber pass 970nm, 1064nm, 1319nm, 1500nm tetra-application light source such as analysis detection of wavelength sensor, it is additionally operable to Internet of Things optical communication Deng laser and optoelectronic areas；Optical fiber laser, as the representative of third generation laser technology, has glass optical fiber Low cost of manufacture and the having mercy on property of optical fiber, glass material have extremely low bulk area ratio, rapid heat dissipation, loss Low with conversion efficiency relatively advantages of higher, range of application constantly expands.

Summary of the invention:

A kind of Internet of Things 970nm, 1064nm, 1319nm, 1500nm tetra-long wavelength fiber output laser, The periodically poled lithium niobate laserresonator of four-wave mixing is set, arranges at 1500nm laser output optical fibre rear 1500nm splitting optical fiber circle, beam splitting one road 1500nm laser exports, at 1064nm laser output optical fibre rear Arranging 1064nm splitting optical fiber circle, beam splitting one road 1064nm laser exports, at 1319nm laser output optical fibre Rear arranges 1319nm splitting optical fiber circle, and beam splitting one road 1319nm exports, flashlight 970nm, ideler frequency light 1500nm, pump light I 1064nm enter the period polarized niobic acid of 970nm four-wave mixing with pump light II 1319nm Lithium laserresonator, occur four-wave mixing effect, produce flashlight 970nm output, finally export 970nm, 1064nm, 1319nm, 1500nm tetra-long wavelength fiber laser output.

Scheme one, 970nmmmm tetra-long wavelength fiber laser structure.

Arrange flashlight 970nm, ideler frequency light 1500nm, pump light I 1064nm occur with pump light 1I 1319nm The structure of the periodically poled lithium niobate laserresonator of four-wave mixing, sets gradually three wavelength from its input defeated Enter mirror, 970nm four-wave mixing periodically poled lithium niobate laser crystal, 970nm outgoing mirror, 970nm focus on coupling Closing outgoing mirror, 970nm focuses on output coupling mirror coupling and accesses 970nm output optical fibre.

Scheme two, it is respectively provided with 1500nm, 1064nm, 1319nm laser beam splitter fiber turns

At 1500nm laser output optical fibre rear, 1500nm splitting optical fiber circle, beam splitting one road 1500nm laser are set Output, arranges 1064nm splitting optical fiber circle at 1064nm laser output optical fibre rear, and beam splitting one road 1064nm swashs Light exports, and arranges 1319nm splitting optical fiber circle, beam splitting one road 1319nm at 1319nm laser output optical fibre rear Output.

Scheme three, 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber is set

1500nm periodically poled lithium niobate laser parameter oscillating tank chamber is set, sets gradually from its input: 3-stage optical fiber input mirror, 1064nm parametric oscillation basic frequency laser crystal, parametric oscillation input mirror, 1500nm week The 1500nm of phase poled lithium niobate laser crystal, 1500nm outgoing mirror and outfan focuses on output coupling mirror, Thus constitute 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber.

Scheme four, 1319nm laserresonator is set

1319nm laserresonator is set, sets gradually from its input: two grades of inputs mirror, 1319nm bases Frequency laser crystal, 1319nm outgoing mirror 21 focus on output coupling mirror with the 1319nm of outfan, thus constitute 1319nm laserresonator.

Scheme five, 1064nm resonator cavity is set

1064nm resonator cavity is set, 1064nm resonator cavity is set, set gradually from its input: one-level is defeated The 1064nm entering mirror, 1064nm laser crystal, 1064nm outgoing mirror 11 and outfan focuses on output coupling mirror, Thus constitute 1064nm resonator cavity.

Scheme six, 3-stage optical fiber structure is set

Arranging 3-stage optical fiber structure, 3-stage optical fiber structure is by one-level fiber turns, secondary light fibre circle and 3-stage optical fiber Circle is integrally connected and forms, and one-level fiber turns is connected on semiconductor module by 808nm pumping coupler, and half Conductor module is powered by semiconductor module block power supply, and above-mentioned whole optical elements are all arranged on optical rail and ray machine On tool, optical rail and light facility arrange fan 3.

Scheme seven, work process

Semiconductor module block power supply supplies electricity to semiconductor module and powers, and semiconductor module launches 808nm laser warp 808nm pumping coupler is coupled into one-level fiber turns, hence into the secondary light fibre circle of 3-stage optical fiber structure With 3-stage optical fiber circle, 808nm laser obtains gain in 3-stage optical fiber structure, draws from by 3-stage optical fiber circle 3-stage optical fiber outfan, it is humorous that input 808nm laser enters the vibration of 1500nm periodically poled lithium niobate laser parameter Shake chamber, through the 1064nm parametric oscillation fundamental frequency in 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber The 1064nm laser that laser crystal generates goes pump optical parametric oscillation to generate 1500nm laser, through 1500nm Outgoing mirror enters frequency multiplication output 1500nm laser, focuses on output coupling mirror output through 1500nm, thus constitutes 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber., focus on output coupling mirror coupling through 1500nm In 1500nm output optical fibre, by its input 1500nm laser to three wavelength parameter bonders；From by two Level fiber turns draws secondary light fibre outfan, and input 808nm laser enters 1319nm laserresonator, warp The 1319nm basic frequency laser crystal of 1319nm laserresonator generates 1319nm laser, focuses on coupling through 1319nm Close outgoing mirror to be coupled in 1319nm output optical fibre, its input 1319nm laser couple to three wavelength parameters In device；Drawing one-level fiber-optic output from by one-level fiber turns, input 808nm laser enters 1064nm resonance Chamber, 1064nm resonator cavity generates 1064nm basic frequency laser, focuses on output coupling mirror through 1064nm and is coupled to In 1064nm output optical fibre, by its input 1064nm laser to three wavelength parameter bonders；Thus, 1500nm Laser, 1064nm laser and 1319nm laser are coupled into 970nm four-wave mixing through three wavelength parameter bonders Periodically poled lithium niobate laserresonator, flashlight 970nm, ideler frequency light 1500nm, pump light I 1064nm There is four-wave mixing effect with pump light II 1319nm, make flashlight 970nm generation, gain, flashlight 970nm Focusing on output coupling mirror through 970nm and be coupled to 970nm output optical fibre, output 970nm laser output, at 1500nm Laser output optical fibre rear arranges 1500nm splitting optical fiber circle, and beam splitting one road 1500nm laser exports, 1064nm laser output optical fibre rear arranges 1064nm splitting optical fiber circle, and beam splitting one road 1064nm laser exports, Arranging 1319nm splitting optical fiber circle at 1319nm laser output optical fibre rear, beam splitting one road 1319nm exports, Finally export 970nm, 1064nm, 1319nm, 1500nm tetra-long wavelength fiber laser output.

The core content of the present invention:

A kind of Internet of Things 970nm, 1064nm, 1319nm, 1500nm tetra-long wavelength fiber output laser, Arranging 1500nm splitting optical fiber circle at 1500nm laser output optical fibre rear, beam splitting one road 1500nm laser is defeated Going out, arrange 1064nm splitting optical fiber circle at 1064nm laser output optical fibre rear, beam splitting one road 1064nm swashs Light exports, and arranges 1319nm splitting optical fiber circle, beam splitting one road 1319nm at 1319nm laser output optical fibre rear Output, arranges flashlight 970nm, ideler frequency light 1500nm, pump light I 1064nm and pump light II 1319nm The structure of the periodically poled lithium niobate laserresonator of four-wave mixing occurs, and four-wave mixing generates 970nm optical fiber Laser exports, and constitutes 970nm, 1064nm, 1319nm, 1500nm tetra-long wavelength fiber output laser structure.

1500nm splitting optical fiber circle, beam splitting one road 1500nm laser exports, 1064nm splitting optical fiber circle, beam splitting One road 1064nm laser output, 1319nm splitting optical fiber circle, beam splitting one road 1319nm exports, flashlight 970nm, Ideler frequency light 1500nm, pump light I 1064nm enter 970nm four-wave mixing cycle pole with pump light II 1319nm Change Lithium metaniobate laserresonator, four-wave mixing effect occurs, generate the output of flashlight 970nm laser, formed 970nm, 1064nm, 1319nm, 1500nm tetra-long wavelength fiber laser output.

Accompanying drawing illustrates:

Accompanying drawing is the structure chart of this patent, and accompanying drawing is wherein: 1, optical rail and light facility, 2, semiconductor module Block, 3, fan, 4,808nm pumping coupler, 5, semiconductor module block 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 crystal, 11,1064nm outgoing mirror, 12, focus on output coupling mirror, 13,1064nm output optical fibre, 14,1064nm Resonator cavity, 15, secondary light fibre circle, 16, secondary light fibre outfan, 17, secondary light fibre bonder, 18, 1319nm focuses on output coupling mirror, 19,1319nm output optical fibre, 20, Transmission Fibers, 21,1319nm defeated Appearance, 22,1319nm basic frequency laser crystal, 23, two grades of input mirrors, 24,1319nm laserresonator, 25,3-stage optical fiber circle, 26,1500nm output optical fibre, 27,1500nm focus on output coupling mirror, 28,1500nm Outgoing mirror, 29,1500nm periodically poled lithium niobate laser crystal, 30, parametric oscillation input mirror, 31,1064nm Parametric oscillation basic frequency laser crystal, 32,3-stage optical fiber input mirror, 33, three wavelength parameter bonders, 34, 3-stage optical fiber bonder, 35,1500nm periodically poled lithium niobate laser parameter oscillating tank chamber, 36, three grades Fiber-optic output, 37, three wavelength parameter coupling transmission optical fibers, 38, the period polarized niobic acid of 970nm four-wave mixing Lithium laserresonator, 39, three wavelength input mirrors, 40,970nm four-wave mixing periodically poled lithium niobate laser brilliant Body, 41,970nm outgoing mirror, 42,970nm focus on output coupling mirror, 43,970nm output optical fibre, 44, 970nm laser exports, and 45,1064nm laser output optical fibre, 46,1500nm output optical fibre, 47,1064nm Splitting optical fiber circle, 48,1500nm splitting optical fiber circle, 49,1319nm output optical fibre, 50,1319nm beam splitting light Fine circle, 51,3-stage optical fiber structure.

Detailed description of the invention:

970nm four-wave mixing periodically poled lithium niobate laserresonator 38 is set, 1500nm beam splitting light is set Fine circle 48, arranges 1064nm splitting optical fiber circle 47, arranges 1319nm splitting optical fiber circle 50, arrange flashlight The week of four-wave mixing is there is in 970nm, ideler frequency light 1500nm, pump light I 1064nm with pump light II 1319nm The structure of phase poled lithium niobate laserresonator 38, humorous at 970nm four-wave mixing periodically poled lithium niobate laser Chamber 38 outfan that shakes arranges 970nm and focuses on output coupling mirror 42 coupling access 970nm output optical fibre 43, 1500nm laser output optical fibre 26 rear arranges 1500nm splitting optical fiber circle 48, and beam splitting one road 1500nm swashs Light exports, and arranges 1064nm splitting optical fiber circle 47, beam splitting one tunnel at 1064nm laser output optical fibre 13 rear 1064nm laser exports, and arranges 1319nm splitting optical fiber circle 50 at 1319nm laser output optical fibre 19 rear, Beam splitting one road 1319nm exports, ideler frequency light 1500nm, pump light I 1064nm and pump light II 1319nm with Derive from three wavelength parameter coupling transmission optical fibers 37, before three wavelength parameter coupling transmission optical fibers 37, arrange three Wavelength parameter bonder 33, by defeated with 1500nm to 1064nm output optical fibre 13,1319nm output optical fibre 19 Go out optical fiber 26 coupling and access three wavelength parameter bonders 33,1500nm periodically poled lithium niobate laser ginseng is set Amount oscillating tank chamber 35,1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 is exported by it The 1500nm of end focuses on output coupling mirror 27 and is linked in 1500nm output optical fibre 26,1500nm cycle pole The input changing Lithium metaniobate laser parameter oscillating tank chamber 35 is connected on three grades of light by 3-stage optical fiber bonder 34 On fine outfan 36,3-stage optical fiber outfan 36 is drawn by the 3-stage optical fiber circle 25 of 3-stage optical fiber structure 51； The structure of the periodically poled lithium niobate laserresonator 38 of flashlight 970nm four-wave mixing is set, inputs from it End sets gradually three wavelength input mirror 39,970nm four-wave mixing periodically poled lithium niobate laser crystal 40,970nm Outgoing mirror 41,970nm focus on output coupling mirror 42, and 970nm focuses on output coupling mirror 42 coupling and accesses 970nm Output optical fibre 43, arranges 1319nm laserresonator 24, and 1319nm laserresonator 24 is by its outfan 1319nm focus on output coupling mirror 18 be linked in 1319nm output optical fibre 19,1319nm laser resonance Chamber 24 is connected on secondary light fibre outfan 16 by the secondary light fibre bonder 17 of its input, and secondary light is fine Outfan 16 is drawn from the secondary light fibre circle 15 of 3-stage optical fiber structure 51；1064nm resonator cavity 14 is set, The outfan of 1064nm resonator cavity 14 focuses on output coupling mirror 12 by 1064nm and is linked into 1064nm output In optical fiber 13,1064nm resonator cavity 14 is connected on one-level optical fiber by the one-level fiber coupler 8 of its input On outfan 7, one-level fiber-optic output 7 is drawn by the one-level fiber turns 6 of 3-stage optical fiber structure 51；Arrange 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35, sets gradually: three grades from its input Optical fiber input mirror 32,1064nm parametric oscillation basic frequency laser crystal 31, parametric oscillation input mirror 30,1500nm Periodically poled lithium niobate laser crystal 29,1500nm outgoing mirror 28, the 1500nm focusing of outfan couple defeated Appearance 27, thus constitutes 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35；1319nm is set Laserresonator 24, sets gradually from its input: two grades of inputs mirror 23,1319nm basic frequency laser crystal 22, the 1319nm of 1319nm outgoing mirror 21 and outfan focuses on output coupling mirror 18, thus constitutes 1319nm Laserresonator 24；1064nm resonator cavity 14 is set, sets gradually from its input: one-level input mirror 9, 1064nm laser crystal 10,1064nm outgoing mirror 11 focus on output coupling mirror 12 with the 1064nm of outfan, Thus constituting 1064nm resonator cavity 14, arrange 3-stage optical fiber structure 51,3-stage optical fiber structure 51 is by one-level light Fine circle 6, secondary light fibre circle 15 are integrally connected with 3-stage optical fiber circle 25 and form, and one-level fiber turns 6 passes through 808nm Pumping coupler 4 is connected on semiconductor module 2, and semiconductor module 2 is powered by semiconductor module block power supply 5, Above-mentioned whole optical element is all arranged on optical rail and light facility 1, in optical rail and light facility 1 Fan 3 is set, totally constitutes 970nm, 1064nm, 1319nm, 1500nm tetra-long wavelength fiber output laser Structure.

Work process:

Semiconductor module block power supply 5 supplies electricity to semiconductor module 2 and powers, and semiconductor module 2 is launched 808nm and swashed Light is coupled into one-level fiber turns 6 through 808nm pumping coupler 4, hence into 3-stage optical fiber structure 51 Secondary light fibre circle 15 and 3-stage optical fiber circle 25,808nm laser obtains gain in 3-stage optical fiber structure 51, Drawing 3-stage optical fiber outfan 36 from by 3-stage optical fiber circle 25, input 808nm laser enters the 1500nm cycle Poled lithium niobate laser parameter oscillating tank chamber 35, humorous through the vibration of 1500nm periodically poled lithium niobate laser parameter Shake chamber 35 1064nm parametric oscillation basic frequency laser crystal 31 generate 1064nm laser go pump optical to join Amount vibration generates 1500nm laser, focuses on output coupling mirror 27 through 1500nm and is coupled to 1500nm output light In fine 26, by its input 1500nm laser to three wavelength parameter bonders 33；From by secondary light fibre circle 15 Drawing secondary light fibre outfan 16, input 808nm laser enters 1319nm laserresonator 24, through 1319nm The 1319nm basic frequency laser crystal 22 of laserresonator 24 generates 1319nm laser, focuses on coupling through 1319nm Close outgoing mirror 18 to be coupled in 1319nm output optical fibre 19, its input 1319nm laser join to three wavelength In amount bonder 33；Drawing one-level fiber-optic output 7 from by one-level fiber turns 6, input 808nm laser enters Entering 1064nm resonator cavity 14,1064nm resonator cavity 14 generates 1064nm basic frequency laser, focuses on through 1064nm Output coupling mirror 12 is coupled in 1064nm output optical fibre 13, by its input 1064nm laser to three wavelength In parameter bonder 33；Thus, 1500nm laser, 1064nm laser and 1319nm laser are joined through three wavelength Amount bonder 33 is coupled into 970nm four-wave mixing periodically poled lithium niobate laserresonator 38, flashlight Four-wave mixing effect is there is in 970nm, ideler frequency light 1500nm, pump light I 1064nm with pump light II 1319nm, Making flashlight 970nm generation, gain, flashlight 970nm focuses on output coupling mirror 42 and 970nm through 970nm Output optical fibre 43 exports 970nm laser output 44, arranges 1500nm at 1500nm laser output optical fibre 27 rear Splitting optical fiber circle 48, beam splitting one road 1500nm laser exports, sets at 1064nm laser output optical fibre 13 rear Putting 1064nm splitting optical fiber circle 47, beam splitting one road 1064nm laser exports, at 1319nm laser output optical fibre 19 rears arrange 1319nm splitting optical fiber circle 50, and beam splitting one road 1319nm exports.

Claims (2)

1. Internet of Things 970nm, 1064nm, 1319nm, 1500nm tetra-long wavelength fiber Output of laser Device, is characterized by, arranges 1500nm splitting optical fiber circle, beam splitting one at 1500nm laser output optical fibre rear Road 1500nm laser output, arranges 1064nm splitting optical fiber circle at 1064nm laser output optical fibre rear, point Shu Yilu 1064nm laser exports, and arranges 1319nm splitting optical fiber circle at 1319nm laser output optical fibre rear, Beam splitting one road 1319nm export, arrange flashlight 970nm, ideler frequency light 1500nm, pump light I 1064nm with There is the structure of the periodically poled lithium niobate laserresonator of four-wave mixing, four-wave mixing in pump light II 1319nm Generate the output of 970nm optical-fiber laser, constitute 970nm, 1064nm, 1319nm, 1500nm tetra-long wavelength fiber Output laser structure.

A kind of Internet of Things 970nm, 1064nm, 1319nm, 1500nm the most according to claim 1 Four long wavelength fiber output lasers, is characterized by, 1500nm splitting optical fiber circle, beam splitting one road 1500nm laser Output, 1064nm splitting optical fiber circle, beam splitting one road 1064nm laser exports, 1319nm splitting optical fiber circle, Beam splitting one road 1319nm exports, flashlight 970nm, ideler frequency light 1500nm, pump light I 1064nm and pumping Light II 1319nm enters 970nm four-wave mixing periodically poled lithium niobate laserresonator, and four-wave mixing effect occurs Should, generate the output of flashlight 970nm laser, form 970nm, 1064nm, 1319nm, 1500nm tetra-ripple Long optical fibers laser exports.