CN105896294A - 2710nm wavelength optical fiber output laser used for Internet of things - Google Patents

Abstract

A 2710nm wavelength optical fiber output laser used for Internet of things is disclosed. A 2710nm four-wave mixing period polarization lithium niobate laser resonator is arranged. Signal light 2710nm, idle light 808nm, pump light I 1064nm and pump light II 1500nm are entered into the 2710nm four-wave mixing period polarization lithium niobate laser resonator so as to generate a four-wave mixing effect and generate a signal light 2710nm output, and finally a 2710nm wavelength optical fiber laser output is output.

Description

A kind of Internet of Things 2710nm long wavelength fiber output laser

Technical field: laser instrument and applied technical field.

Technical background:

2710nm wavelength laser, applies for Internet of Things spectral detection, lasing light emitter, instrumental analysis etc. Laser, it can be as application light sources such as the analysis detections of Internet of Things optical fiber biography 2710nm wavelength sensor, and it is also For laser and optoelectronic areas such as Internet of Things optical communications；Optical fiber laser is as third generation laser technology Represent, there is glass optical fiber low cost of manufacture and with the having mercy on property of optical fiber, glass material, there is extremely low volume face Long-pending ratio, rapid heat dissipation, is lost low with conversion efficiency relatively advantages of higher, and range of application constantly expands.

Summary of the invention:

A kind of Internet of Things 2710nm long wavelength fiber output laser, arranges the cycle of 2710nm four-wave mixing Poled lithium niobate laserresonator, flashlight 2710nm, ideler frequency light 808nm, pump light I 1064nm and pump Pu light II 1500nm enters 2710nm four-wave mixing periodically poled lithium niobate laserresonator, and four-wave mixing occurs Effect, produces flashlight 2710nm output, the finally output of output 2710nm long wavelength fiber laser.

Scheme one, the structure of periodically poled lithium niobate laserresonator of 2710nm four-wave mixing.

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

Scheme two, 808nm gain laser resonator cavity is set

808nm gain laser resonator cavity is set, sets gradually from its input: 3-stage optical fiber input mirror, 808nm gain laser crystal, gain laser input mirror, 808nm gain laser crystal, 808nm outgoing mirror, Focus on output coupling mirror with the 808nm of outfan, thus constitute 808nm gain laser resonator cavity.

Scheme three, 1500nm periodically poled lithium niobate laserresonator is set

1500nm periodically poled lithium niobate laserresonator is set, sets gradually from its input: two grades defeated Enter mirror, 1500nm fundamental frequency cycles poled lithium niobate laser crystal, 1500nm periodically poled lithium niobate laser crystal, 1500nm outgoing mirror focuses on output coupling mirror with the 1500nm of outfan, thus constitutes the period polarized niobium of 1500nm Acid lithium laserresonator.

Scheme four, 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 five, 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.

The core content of the present invention:

A kind of Internet of Things 2710nm long wavelength fiber output laser, arranges flashlight 2710nm, ideler frequency light 808nm, pump light I 1064nm and pump light II 1500nm occur the periodically poled lithium niobate of four-wave mixing to swash The structure of optical cavity, occurs four-wave mixing effect to generate the output of flashlight 2710nm optical-fiber laser, constitutes 2710nm long wavelength fiber output laser structure.

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, 1500nm focuses on output coupling mirror, and 19,1500nm output optical fibre, 20,1500nm periodically poled lithium niobate swashs Luminescent crystal, 21,1500nm outgoing mirror, 22,1500nm fundamental frequency cycles poled lithium niobate laser crystal, 23, Two grades of input mirrors, 24,1500nm periodically poled lithium niobate laserresonator, 25,3-stage optical fiber circle, 26, 808nm output optical fibre, 27,808nm focus on output coupling mirror, 28,808nm outgoing mirror, 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 bonders, 34,3-stage optical fiber bonder, 35,808nm gain laser humorous Shake chamber, and 36,3-stage optical fiber outfan, 37, three wavelength parameter coupling transmission optical fibers, 38,2710nm tetra-ripple Mixing periodically poled lithium niobate laserresonator, 39, three wavelength input mirrors, 40,2710nm four-wave mixing week Phase poled lithium niobate laser crystal, 41,2710nm outgoing mirror, 42,2710nm focus on output coupling mirror, 43, 2710nm output optical fibre, 44, the output of 2710nm laser, 45,3-stage optical fiber structure.

Detailed description of the invention:

2710nm four-wave mixing periodically poled lithium niobate laserresonator 38 is set, arrange flashlight 2710nm, The period polarized niobium of four-wave mixing is there is in ideler frequency light 808nm, pump light I 1064nm with pump light II 1500nm The structure of acid lithium laserresonator 38, defeated at 2710nm four-wave mixing periodically poled lithium niobate laserresonator 38 Go out end arrange 2710nm focus on output coupling mirror 42 coupling access 2710nm output optical fibre 43, ideler frequency light 808nm, Pump light I 1064nm and pump light II 1500nm with derive from three wavelength parameter coupling transmission optical fibers 37, three ripples Three wavelength parameter bonders 33 are set before long parameter coupling transmission optical fiber 37, by 1064nm output optical fibre 13, 1500nm output optical fibre 19 couples access three wavelength parameter bonders 33 with 808nm output optical fibre 26, arranges 808nm gain laser resonator cavity 35,808nm gain laser resonator cavity 35 is focused on by the 808nm of its outfan Output coupling mirror 27 is linked in 808nm output optical fibre 26, and the input of 808nm gain laser resonator cavity 35 leads to Crossing 3-stage optical fiber bonder 34 to be connected on 3-stage optical fiber outfan 36,3-stage optical fiber outfan 36 is by 3-stage optical fiber The 3-stage optical fiber circle 25 of structure 45 is drawn；The periodically poled lithium niobate arranging flashlight 2710nm four-wave mixing swashs The structure of optical cavity 38, sets gradually three wavelength input mirrors 39,2710nm four-wave mixing week from its input Phase poled lithium niobate laser crystal 40,2710nm outgoing mirror 41,2710nm focus on output coupling mirror 42,2710nm Focus on output coupling mirror 42 coupling and access 2710nm output optical fibre 43,1500nm periodically poled lithium niobate is set and swashs Optical cavity 24,1500nm periodically poled lithium niobate laserresonator 24 is gathered by the 1500nm of its outfan Burnt output coupling mirror 18 is linked in 1500nm output optical fibre 19,1500nm periodically poled lithium niobate 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 fibre is defeated Go out end 16 to draw from the secondary light fibre circle 15 of 3-stage optical fiber structure 45；1064nm resonator cavity 14,1064nm is set The outfan of resonator cavity 14 focuses on output coupling mirror 12 by 1064nm and is linked in 1064nm output optical fibre 13, 1064nm resonator cavity 14 is connected on one-level fiber-optic output 7 by the one-level fiber coupler 8 of its input, and one Level fiber-optic output 7 is drawn by the one-level fiber turns 6 of 3-stage optical fiber structure 45；808nm gain laser resonance is set Chamber 35, sets gradually from its input: 3-stage optical fiber input mirror 32,808nm gain laser crystal 31, increasing Benefit laser input mirror 30,808nm gain laser crystal 29,808nm outgoing mirror 28, the 808nm of outfan gather Burnt output coupling mirror 27, thus constitutes 808nm gain laser resonator cavity 35；The period polarized niobium of 1500nm is set Acid lithium laserresonator 24, sets gradually from its input: two grades of inputs mirror 23,1500nm fundamental frequency cycles The 1500nm of poled lithium niobate laser crystal 22,1500nm outgoing mirror 21 and outfan focuses on output coupling mirror 18, thus constitute 1500nm periodically poled lithium niobate laserresonator 24；1064nm resonator cavity 14 is set, Set 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 constitute 1064nm resonator cavity 14, three grades of light are set Fine structure 45,3-stage optical fiber structure 45 is connected with 3-stage optical fiber circle 25 by one-level fiber turns 6, secondary light fibre circle 15 Integrally forming, one-level fiber turns 6 is connected on semiconductor module 2 by 808nm pumping coupler 4, quasiconductor Module 2 is powered by semiconductor module block power supply 5, and above-mentioned whole optical elements are all arranged on optical rail and light facility 1 On, optical rail and light facility 1 arrange fan 3, overall composition 2710nm 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 45 Secondary light fibre circle 15 and 3-stage optical fiber circle 25,808nm laser obtains gain in 3-stage optical fiber structure 45, Drawing 3-stage optical fiber outfan 36 from by 3-stage optical fiber circle 25, input 808nm laser enters 808nm gain Laserresonator 35, through 808nm gain laser resonator cavity 35 808nm gain laser crystal 31 generate 1064nm laser goes pump optical parametric oscillation to generate 808nm laser, focuses on output coupling mirror 27 through 808nm It is coupled in 808nm output optical fibre 26, by its input 808nm laser to three wavelength parameter bonders 33； Drawing secondary light fibre outfan 16 from by secondary light fibre circle 15, input 808nm laser enters the 1500nm cycle Poled lithium niobate laserresonator 24, through the 1500nm of 1500nm periodically poled lithium niobate laserresonator 24 Fundamental frequency cycles poled lithium niobate laser crystal 22 generates 1500nm laser, focuses on output coupling mirror through 1500nm 18 are coupled in 1500nm output optical fibre 19, by its input 1500nm laser to three wavelength parameter bonders In 33；Drawing one-level fiber-optic output 7 from by one-level fiber turns 6, input 808nm laser enters 1064nm Resonator cavity 14,1064nm resonator cavity 14 generates 1064nm basic frequency laser, focuses on coupling output through 1064nm Mirror 12 is coupled in 1064nm output optical fibre 13, its input 1064nm laser couple to three wavelength parameters In device 33；Thus, 808nm laser, 1064nm laser and 1500nm laser are through three wavelength parameter bonders 33 are coupled into 2710nm four-wave mixing periodically poled lithium niobate laserresonator 38, flashlight 2710nm, There is four-wave mixing effect with pump light II 1500nm in ideler frequency light 808nm, pump light I 1064nm, makes signal Light 2710nm occurs, gain, and flashlight 2710nm focuses on output coupling mirror 42 and 2710nm through 2710nm Output optical fibre 43 exports 2710nm laser output 44.

Claims (1)

1. an Internet of Things 2710nm long wavelength fiber output laser, is characterized by, arrange flashlight The week of four-wave mixing is there is in 2710nm, ideler frequency light 808nm, pump light I 1064nm with pump light II 1500nm The structure of phase poled lithium niobate laserresonator, occurs four-wave mixing effect to generate flashlight 2710nm optical fiber and swashs Light exports, and constitutes 2710nm long wavelength fiber output laser structure.