CN105896288A - 320nm, 660nm, 1064nm and 1500nm four-wavelength optical fiber output laser for internet of things - Google Patents

Abstract

The invention relates to a 320nm, 660nm, 1064nm 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 660nm beam splitting optical fiber ring is arranged, and a path of 660nm output is branched; 320nm signal light, 1500nm idler frequency light, 1064nm pump light I and 660nm pump light II enter the 320nm four-wave mixing periodically poled lithium niobate laser resonant cavity, a four-wave mixing effect is generated, 320nm signal light output is generated, and finally 320nm, 660nm, 1064nm and 1500nm four-wavelength optical fiber laser output is performed.

Description

A kind of Internet of Things 320nm, 660nm, 1064nm, 1500nm tetra-long wavelength fiber output laser

Technical field: laser instrument and applied technical field.

Technical background:

320nm, 660nm, 1064nm, 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 320nm, 660nm, 1064nm, 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 320nm, 660nm, 1064nm, 1500nm tetra-long wavelength fiber output laser, if Put the periodically poled lithium niobate laserresonator of four-wave mixing, arrange 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 660nm laser output optical fibre Rear arranges 660nm splitting optical fiber circle, and beam splitting one road 660nm exports, flashlight 320nm, ideler frequency light 1500nm, It is humorous that pump light I 1064nm and pump light II 660nm enters 320nm four-wave mixing periodically poled lithium niobate laser Shake chamber, occur four-wave mixing effect, produce flashlight 320nm output, finally export 320nm, 660nm, 1064nm, 1500nm tetra-long wavelength fiber laser output.

Scheme one, 320nmmmm tetra-long wavelength fiber laser structure.

Arrange flashlight 320nm, ideler frequency light 1500nm, pump light I 1064nm occur with pump light II 660nm The structure of the periodically poled lithium niobate laserresonator of four-wave mixing, sets gradually three wavelength from its input defeated Enter mirror, 320nm four-wave mixing periodically poled lithium niobate laser crystal, 320nm outgoing mirror, 320nm focus on coupling Closing outgoing mirror, 320nm focuses on output coupling mirror coupling and accesses 320nm output optical fibre.

Scheme two, it is respectively provided with 1500nm, 1064nm, 660nm 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 660nm splitting optical fiber circle at 660nm laser output optical fibre rear, and road 660nm is defeated in beam splitting one Go out.

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, 660nm laserresonator is set

660nm laserresonator is set, sets gradually from its input: two grades of inputs mirror, 660nm fundamental frequencies Laser crystal, 660nm frequency-doubling crystal, 660nm outgoing mirror 21 focus on output coupling mirror with the 660nm of outfan, Thus constitute 660nm 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 660nm laserresonator, through 660nm The 1319nm basic frequency laser crystal of laserresonator generates 1319nm fundamental frequency and occurs again through 660nm frequency-doubling crystal Frequency output 660nm laser, focuses on output coupling mirror through 660nm and is coupled in 660nm output optical fibre, by it Input 660nm laser is in three wavelength parameter bonders；One-level fiber-optic output is drawn from by one-level fiber turns, Input 808nm laser enters 1064nm resonator cavity, and 1064nm resonator cavity generates 1064nm basic frequency laser, warp 1064nm focuses on output coupling mirror and is coupled in 1064nm output optical fibre, by its input 1064nm laser to three In wavelength parameter bonder；Thus, 1500nm laser, 1064nm laser and 660nm laser are joined through three wavelength Amount bonder is coupled into 320nm four-wave mixing periodically poled lithium niobate laserresonator, flashlight 320nm, There is four-wave mixing effect with pump light II 660nm in ideler frequency light 1500nm, pump light I 1064nm, makes signal Light 320nm occurs, gain, and it is defeated that flashlight 320nm is coupled to 320nm through 320nm focusing output coupling mirror Go out optical fiber, output 320nm laser output, 1500nm beam splitting light is set at 1500nm laser output optical fibre rear Fine circle, beam splitting one road 1500nm laser exports, arranges 1064nm at 1064nm laser output optical fibre rear and divide Bundle fiber turns, beam splitting one road 1064nm laser exports, arranges 660nm at 660nm laser output optical fibre rear Splitting optical fiber circle, beam splitting one road 660nm exports, finally exports 320nm, 660nm, 1064nm, 1500nm Four long wavelength fiber laser outputs.

The core content of the present invention:

A kind of Internet of Things 320nm, 660nm, 1064nm, 1500nm tetra-long wavelength fiber output laser, 1500nm laser output optical fibre rear arranges 1500nm splitting optical fiber circle, and beam splitting one road 1500nm laser exports, Arranging 1064nm splitting optical fiber circle at 1064nm laser output optical fibre rear, beam splitting one road 1064nm laser is defeated Going out, arrange 660nm splitting optical fiber circle at 660nm laser output optical fibre rear, beam splitting one road 660nm exports, Arrange flashlight 320nm, ideler frequency light 1500nm, pump light I 1064nm occur four with pump light II 660nm The structure of the periodically poled lithium niobate laserresonator of wave mixing, it is defeated that four-wave mixing generates 320nm optical-fiber laser Go out, constitute 320nm, 660nm, 1064nm, 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, 660nm splitting optical fiber circle, beam splitting one road 660nm exports, flashlight 320nm, Ideler frequency light 1500nm, pump light I 1064nm enter 320nm four-wave mixing cycle pole with pump light II 660nm Change Lithium metaniobate laserresonator, four-wave mixing effect occurs, generate the output of flashlight 320nm laser, formed 320nm, 660nm, 1064nm, 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, 660nm focuses on output coupling mirror, and 19,660nm output optical fibre, 20,660nm frequency-doubling crystal, 21,660nm Outgoing mirror, 22,660nm basic frequency laser crystal, 23, two grades of input mirrors, 24,660nm 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 320nm four-wave mixing Lithium laserresonator, 39, three wavelength input mirrors, 40,320nm four-wave mixing periodically poled lithium niobate laser brilliant Body, 41,320nm outgoing mirror, 42,320nm focus on output coupling mirror, 43,320nm output optical fibre, 44, 320nm 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, 49,660nm output optical fibre, 50,660nm splitting optical fiber Circle, 51,3-stage optical fiber structure.

Detailed description of the invention:

320nm 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 660nm splitting optical fiber circle 50, arrange flashlight The cycle of four-wave mixing is there is in 320nm, ideler frequency light 1500nm, pump light I 1064nm with pump light II 660nm The structure of poled lithium niobate laserresonator 38, at 320nm four-wave mixing periodically poled lithium niobate laser resonance Chamber 38 outfan arranges 320nm and focuses on output coupling mirror 42 coupling access 320nm 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 660nm splitting optical fiber circle 50 at 660nm laser output optical fibre 19 rear, Beam splitting one road 660nm exports, and ideler frequency light 1500nm, pump light I 1064nm and pump light II 660nm are with next Come from three wavelength parameter coupling transmission optical fibers 37, before three wavelength parameter coupling transmission optical fibers 37, three ripples are set Long parameter bonder 33, exports light by 1064nm output optical fibre 13,660nm output optical fibre 19 with 1500nm Fine 26 couplings access three wavelength parameter bonders 33, arrange 1500nm periodically poled lithium niobate laser parameter and shake Swinging resonator cavity 35,1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 is by its outfan 1500nm focuses on output coupling mirror 27 and is linked in 1500nm output optical fibre 26, the period polarized niobium of 1500nm It is defeated that the input in acid lithium laser parameter oscillating tank chamber 35 is connected on 3-stage optical fiber by 3-stage optical fiber bonder 34 Going out on end 36,3-stage optical fiber outfan 36 is drawn by the 3-stage optical fiber circle 25 of 3-stage optical fiber structure 51；If Put the structure of the periodically poled lithium niobate laserresonator 38 of flashlight 320nm four-wave mixing, from its input Set gradually three wavelength input mirror 39,320nm four-wave mixing periodically poled lithium niobate laser crystal 40,320nm Outgoing mirror 41,320nm focus on output coupling mirror 42, and 320nm focuses on output coupling mirror 42 coupling and accesses 320nm Output optical fibre 43, arranges 660nm laserresonator 24, and 660nm laserresonator 24 is by its outfan 660nm focuses on output coupling mirror 18 and is linked in 660nm output optical fibre 19,660nm laserresonator 24 Being connected on secondary light fibre outfan 16 by the secondary light fibre bonder 17 of its input, secondary light fibre exports End 16 is drawn from the secondary light fibre circle 15 of 3-stage optical fiber structure 51；1064nm resonator cavity 14,1064nm is set The outfan of resonator cavity 14 focuses on output coupling mirror 12 by 1064nm and is linked into 1064nm output optical fibre 13 In, 1064nm resonator cavity 14 is connected on one-level fiber-optic output 7 by the one-level fiber coupler 8 of its input On, one-level fiber-optic output 7 is drawn by the one-level fiber turns 6 of 3-stage optical fiber structure 51；1500nm is set Periodically poled lithium niobate laser parameter oscillating tank chamber 35, sets gradually: 3-stage optical fiber is defeated from its input Enter mirror 32,1064nm parametric oscillation basic frequency laser crystal 31, parametric oscillation input mirror 30,1500nm cycle Poled lithium niobate laser crystal 29,1500nm outgoing mirror 28, the 1500nm of outfan focus on output coupling mirror 27, thus constitute 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35；660nm laser is set Resonator cavity 24, sets gradually from its input: two grades input mirror 23,1319nm basic frequency laser crystal 22, 1319nm outgoing mirror 21,660nm frequency-doubling crystal 20 focus on output coupling mirror 18 with the 660nm of outfan, Thus constitute 660nm laserresonator 24；1064nm resonator cavity 14 is set, sets successively from its input Put: one-level input mirror 9,1064nm laser crystal 10,1064nm outgoing mirror 11 and the 1064nm of outfan Focus on output coupling mirror 12, thus constitute 1064nm resonator cavity 14,3-stage optical fiber structure 51 is set, three grades Optical fiber structure 51 is integrally connected with 3-stage optical fiber circle 25 by one-level fiber turns 6, secondary light fibre circle 15 and forms, One-level fiber turns 6 is connected on semiconductor module 2 by 808nm pumping coupler 4, semiconductor module 2 Being powered by semiconductor module block power supply 5, above-mentioned whole optical elements are all arranged on optical rail and light facility 1, Optical rail and light facility 1 arrange fan 3, totally constitutes 320nm, 660nm, 1064nm, 1500nm Four long wavelength fiber output laser structures.

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, exports 1500nm laser through frequency multiplication, focuses on output coupling mirror through 1500nm 27 are coupled in 1500nm output optical fibre 26, by its input 1500nm laser to three wavelength parameter bonders In 33；Drawing secondary light fibre outfan 16 from by secondary light fibre circle 15, input 808nm laser enters 660nm Laserresonator 24, generates 1319nm through the 1319nm basic frequency laser crystal 22 of 660nm laserresonator 24 Fundamental frequency occurs frequency multiplication to export 660nm laser through 660nm frequency-doubling crystal 20, focuses on output coupling mirror through 660nm 18 are coupled in 660nm output optical fibre 19, by its input 660nm laser to three wavelength parameter bonders 33 In；Drawing one-level fiber-optic output 7 from by one-level fiber turns 6, it is humorous that input 808nm laser enters 1064nm Shake chamber 14, and 1064nm resonator cavity 14 generates 1064nm basic frequency laser, focuses on output coupling mirror through 1064nm 12 are coupled in 1064nm output optical fibre 13, by its input 1064nm laser to three wavelength parameter bonders In 33；Thus, 1500nm laser, 1064nm laser and 660nm laser are through three wavelength parameter bonders 33 It is coupled into 320nm four-wave mixing periodically poled lithium niobate laserresonator 38, flashlight 320nm, ideler frequency There is four-wave mixing effect with pump light II 660nm in light 1500nm, pump light I 1064nm, makes flashlight 320nm occurs, gain, and flashlight 320nm focuses on output coupling mirror 42 through 320nm and exports light with 320nm Fine 43 output 320nm laser outputs 44, arrange 1500nm at 1500nm laser output optical fibre 27 rear and divide Bundle fiber turns 48, beam splitting one road 1500nm laser exports, and arranges at 1064nm laser output optical fibre 13 rear 1064nm splitting optical fiber circle 47, beam splitting one road 1064nm laser exports, at 660nm laser output optical fibre 19 Rear arranges 660nm splitting optical fiber circle 50, and beam splitting one road 660nm exports.

Claims (2)

1. Internet of Things 320nm, 660nm, 1064nm, 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 660nm splitting optical fiber circle at 660nm laser output optical fibre rear, Beam splitting one road 660nm export, arrange flashlight 320nm, ideler frequency light 1500nm, pump light I 1064nm with There is the structure of the periodically poled lithium niobate laserresonator of four-wave mixing in pump light 1I 660nm, four-wave mixing is raw Become 320nm optical-fiber laser output, constitute 320nm, 660nm, 1064nm, 1500nm tetra-long wavelength fiber output Laser structure.

A kind of Internet of Things 320nm, 660nm, 1064nm, 1500nm tetra-the most according to claim 1 Long wavelength fiber output laser, is characterized by, 1500nm splitting optical fiber circle, and beam splitting one road 1500nm laser is defeated Going out, 1064nm splitting optical fiber circle, beam splitting one road 1064nm laser exports, 660nm splitting optical fiber circle, beam splitting One road 660nm output, flashlight 320nm, ideler frequency light 1500nm, pump light I 1064nm and pump light II 660nm enters 320nm four-wave mixing periodically poled lithium niobate laserresonator, and four-wave mixing effect occurs, raw Become the output of flashlight 320nm laser, form 320nm, 660nm, 1064nm, 1500nm tetra-long wavelength fibers sharp Light exports.