CN105490149A - 892-, 660-, 750- and 1,064-nanometer four-wavelength optical fiber output laser for medical use - Google Patents

892-, 660-, 750- and 1,064-nanometer four-wavelength optical fiber output laser for medical use Download PDF

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Publication number
CN105490149A
CN105490149A CN201410530876.7A CN201410530876A CN105490149A CN 105490149 A CN105490149 A CN 105490149A CN 201410530876 A CN201410530876 A CN 201410530876A CN 105490149 A CN105490149 A CN 105490149A
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China
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laser
optical fiber
output
nanometer
splitting
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CN201410530876.7A
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王涛
张浩源
王天泽
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WUXI MINGNI ELECTRONIC TECHNOLOGY Co Ltd
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WUXI MINGNI ELECTRONIC TECHNOLOGY Co Ltd
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Abstract

In a 892-, 660-, 750- and 1,064-nanometer four-wavelength optical fiber output laser for medical use, a four-wave mixing periodically poled lithium niobate laser resonant cavity is arranged, a 750-nanometer beam splitting optical fiber ring is arranged, a path of 750-nanometer laser output is split, a 1,064-nanometer beam splitting optical fiber ring is arranged, a path of 1,064-nanometer laser output is split, a 660-nanometer beam splitting optical fiber ring is arranged, a path of 660-nanometer output is split, 892-nanometer signal light, 750-nanometer idler frequency light, 1,064-nanomter pumping light I and 660-nanometer pumping light II enter the 892-nanometer four-wave mixing periodically poled lithium niobate laser resonant cavity to generate a four-wave mixing effect and generate 892-nanometer signal light to be output, and finally, the 892-, 660-, 750- and 1,064-nanometer four-wavelength optical fiber laser is output.

Description

A kind of medical 892nm, 660nm, 750nm, 1064nm tetra-long wavelength fiber output laser
Technical field: laser and applied technical field.
Technical background:
892nm, 660nm, 750nm, 1064nm tetra-wavelength laser, the laser applied for medical spectral detection, lasing light emitter, instrumental analysis etc., it can be used as medical optical fiber and passes 892nm, 660nm, 750nm, 1064nm tetra-using light source such as analyzing and testing of wavelength sensor, and it is also for the laser such as medical optical communication and optoelectronic areas; 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 medical 892nm, 660nm, 750nm, 1064nm tetra-long wavelength fiber output laser, the periodically poled lithium niobate laserresonator of four wave mixing is set, at 750nm Laser output optical fiber rear, 750nm splitting optical fiber circle is set, beam splitting one road 750nm Laser output, at 1064nm Laser output optical fiber rear, 1064nm splitting optical fiber circle is set, beam splitting one road 1064nm Laser output, at 660nm Laser output optical fiber rear, 660nm splitting optical fiber circle is set, beam splitting one road 660nm exports, flashlight 892nm, ideler frequency light 750nm, pump light I1064nm and pump light II660nm enters 892nm four wave mixing periodically poled lithium niobate laserresonator, there is four-wave mixing effect, produce flashlight 892nm to export, finally export 892nm, 660nm, 750nm, 1064nm tetra-long wavelength fiber Laser output.
Scheme one, 892nmmmm tetra-long wavelength fiber laser structure.
There is the structure of the periodically poled lithium niobate laserresonator 38 of four wave mixing in signalization light 892nm, ideler frequency light 750nm, pump light I1064nm and pump light II660nm, three-wavelength input mirror 39,892nm four wave mixing periodically poled lithium niobate laser crystal 40,892nm outgoing mirror 41,892nm focusing output coupling mirror 42,892nm focusing output coupling mirror 42 coupling access 892nm output optical fibre 43 is set gradually from its input.
Scheme two, 750nm, 1064nm, 660nm laser beam splitter fiber turns is set respectively
At 750nm Laser output optical fiber rear, 750nm splitting optical fiber circle is set, beam splitting one road 750nm Laser output, at 1064nm Laser output optical fiber rear, 1064nm splitting optical fiber circle is set, beam splitting one road 1064nm Laser output, arrange 660nm splitting optical fiber circle at 660nm Laser output optical fiber rear, beam splitting one road 660nm exports.
Scheme three, 750nm periodically poled lithium niobate laser parameter oscillating tank chamber is set
750nm periodically poled lithium niobate laser parameter oscillating tank chamber is set, set gradually from its input: the 750nm of 3-stage optical fiber input mirror, 1064nm parametric oscillation basic frequency laser crystal, parametric oscillation input mirror, 1500nm periodically poled lithium niobate laser crystal, 1500nm outgoing mirror, 750nm frequency-doubling crystal and output focuses on output coupling mirror, forms 750nm periodically poled lithium niobate laser parameter oscillating tank chamber thus.
Scheme four, 660nm frequency multiplication resonant cavity is set
660nm frequency multiplication resonant cavity is set, sets gradually from its input: secondary input mirror, 1319nm basic frequency laser crystal, 660nm frequency-doubling crystal, 660nm outgoing mirror 21 focus on output coupling mirror with the 660nm of output, form 660nm frequency multiplication resonant cavity thus.
Scheme five, 1064nm resonant cavity is set
1064nm resonant cavity is set, 1064nm resonant cavity is set, set gradually from its input: one-level input mirror, 1064nm laser crystal, 1064nm outgoing mirror 11 focus on output coupling mirror with the 1064nm of output, form 1064nm resonant cavity thus.
Scheme six, 3-stage optical fiber structure is set
3-stage optical fiber structure is set, 3-stage optical fiber structure is integrally connected by one-level fiber turns, secondary fiber turns and 3-stage optical fiber circle and forms, one-level fiber turns is connected on semiconductor module by 808nm pumping coupler, semiconductor module is by semiconductor module Power supply, above-mentioned whole optical element is all arranged on optical rail and ray machine tool, and optical rail and ray machine tool arrange fan 3.
Scheme seven, the course of work
Semiconductor module Power supply is powered to semiconductor module, semiconductor module is launched 808nm laser and is coupled into one-level fiber turns through 808nm pumping coupler, thus enter secondary fiber turns and the 3-stage optical fiber circle of 3-stage optical fiber structure, 808nm laser obtains gain in 3-stage optical fiber structure, 3-stage optical fiber output is drawn from by 3-stage optical fiber circle, input 808nm laser enters 750nm periodically poled lithium niobate laser parameter oscillating tank chamber, the 1064nm laser that 1064nm parametric oscillation basic frequency laser crystal through 750nm periodically poled lithium niobate laser parameter oscillating tank chamber generates goes pump optical parametric oscillation to generate 1500nm laser, enter 750nm frequency-doubling crystal frequency multiplication through 1500nm outgoing mirror and export 750nm laser, focus on output coupling mirror through 750nm to export, form 750nm periodically poled lithium niobate laser parameter oscillating tank chamber thus., focusing on output coupling mirror through 750nm is coupled in 750nm output optical fibre, by its input 750nm laser in three-wavelength parameter coupler, secondary fiber-optic output is drawn from by secondary fiber turns, input 808nm laser enters 660nm frequency multiplication resonant cavity, 1319nm basic frequency laser crystal through 660nm frequency multiplication resonant cavity generates 1064nm fundamental frequency and exports 660nm laser through 660nm frequency multiplication resonant cavity generation frequency multiplication, focusing on output coupling mirror through 660nm is coupled in 660nm output optical fibre, by its input 660nm laser in three-wavelength parameter coupler, one-level fiber-optic output is drawn from by one-level fiber turns, input 808nm laser enters 1064nm resonant cavity, 1064nm resonant cavity generates 1064nm basic frequency laser, focuses on output coupling mirror be coupled in 1064nm output optical fibre through 1064nm, by its input 1064nm laser in three-wavelength parameter coupler, thus, 750nm laser, 1064nm laser and 660nm laser are coupled into 892nm four wave mixing periodically poled lithium niobate laserresonator through three-wavelength parameter coupler, flashlight 892nm, ideler frequency light 750nm, there is four-wave mixing effect in pump light I1064nm and pump light II660nm, flashlight 892nm is occurred, gain, flashlight 892nm focuses on output coupling mirror through 892nm and is coupled to 892nm output optical fibre, export 892nm Laser output, at 750nm Laser output optical fiber rear, 750nm splitting optical fiber circle is set, beam splitting one road 750nm Laser output, at 1064nm Laser output optical fiber rear, 1064nm splitting optical fiber circle is set, beam splitting one road 1064nm Laser output, at 660nm Laser output optical fiber rear, 660nm splitting optical fiber circle is set, beam splitting one road 660nm exports, finally export 892nm, 660nm, 1064nm, 750nm tetra-long wavelength fiber Laser output.
Core content of the present invention:
A kind of medical 892nm, 660nm, 750nm, 1064nm tetra-long wavelength fiber output laser, at 750nm Laser output optical fiber rear, 750nm splitting optical fiber circle is set, beam splitting one road 750nm Laser output, at 1064nm Laser output optical fiber rear, 1064nm splitting optical fiber circle is set, beam splitting one road 1064nm Laser output, at 660nm Laser output optical fiber rear, 660nm splitting optical fiber circle is set, beam splitting one road 660nm exports, signalization light 892nm, ideler frequency light 750nm, there is the structure of the periodically poled lithium niobate laserresonator of four wave mixing in pump light I1064nm and pump light II660nm, four wave mixing generates 892nm optical-fiber laser and exports, form 892nm, 660nm, 750nm, 1064nm tetra-long wavelength fiber output laser structure.
750nm splitting optical fiber circle, beam splitting one road 750nm Laser output, 1064nm splitting optical fiber circle, beam splitting one road 1064nm Laser output, 660nm splitting optical fiber circle, beam splitting one road 660nm exports, flashlight 892nm, ideler frequency light 750nm, pump light I1064nm and pump light II660nm enter 892nm four wave mixing periodically poled lithium niobate laserresonator, there is four-wave mixing effect, generate flashlight 892nm Laser output, form 892nm, 660nm, 750nm, 1064nm 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 ray machine tool, 2, semiconductor module, 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 resonant cavity, 15, secondary fiber turns, 16, secondary fiber-optic output, 17, secondary fiber coupler, 18, 660nm focuses on output coupling mirror, and 19, 660nm output optical fibre, 20, 660nm frequency-doubling crystal, 21, 660nm outgoing mirror, 22, 1319nm basic frequency laser crystal, 23, secondary input mirror, 24, 660nm frequency multiplication resonant cavity, 25, 3-stage optical fiber circle, 26, 750nm output optical fibre, 27, 750nm focuses on output coupling mirror, and 28, 750nm 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 coupler, 34, 3-stage optical fiber coupler, 35, 750nm periodically poled lithium niobate laser parameter oscillating tank chamber, 36, 3-stage optical fiber output, 37, three-wavelength parameter coupling transmission optical fiber, 38, 892nm four wave mixing periodically poled lithium niobate laserresonator, 39, three-wavelength input mirror, 40, 892nm four wave mixing periodically poled lithium niobate laser crystal, 41, 892nm outgoing mirror, 42, 892nm focuses on output coupling mirror, and 43, 892nm output optical fibre, 44, 892nm Laser output, 45, 1064nm Laser output optical fiber, 46, 750nm output optical fibre, 47, 1064nm splitting optical fiber circle, 48, 750nm splitting optical fiber circle, 49, 660nm output optical fibre, 50, 660nm splitting optical fiber circle, 51, 3-stage optical fiber structure, 52, 750nm frequency-doubling crystal.
Embodiment:
892nm four wave mixing periodically poled lithium niobate laserresonator 38 is set, 750nm splitting optical fiber circle 48 is set, 1064nm splitting optical fiber circle 47 is set, 660nm splitting optical fiber circle 50 is set, signalization light 892nm, ideler frequency light 750nm, there is the structure of the periodically poled lithium niobate laserresonator 38 of four wave mixing in pump light I1064nm and pump light II660nm, 892nm is set at 892nm four wave mixing periodically poled lithium niobate laserresonator 38 output and focuses on output coupling mirror 42 coupling access 892nm output optical fibre 43, at 750nm Laser output optical fiber 26 rear, 750nm splitting optical fiber circle 48 is set, beam splitting one road 750nm Laser output, at 1064nm Laser output optical fiber 13 rear, 1064nm splitting optical fiber circle 47 is set, beam splitting one road 1064nm Laser output, at 660nm Laser output optical fiber 19 rear, 660nm splitting optical fiber circle 50 is set, beam splitting one road 660nm exports, ideler frequency light 750nm, pump light I1064nm and pump light II660nm with derive from three-wavelength parameter coupling transmission optical fiber 37, three-wavelength parameter coupler 33 is set before three-wavelength parameter coupling transmission optical fiber 37, by 1064nm output optical fibre 13, 660nm output optical fibre 19 is coupled with 750nm output optical fibre 26 and accesses three-wavelength parameter coupler 33, 750nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 is set, 750nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 focuses on output coupling mirror 27 by the 750nm of its output and is linked in 750nm output optical fibre 26, the input in 750nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 is connected on 3-stage optical fiber output 36 by 3-stage optical fiber coupler 34, 3-stage optical fiber output 36 is drawn by the 3-stage optical fiber circle 25 of 3-stage optical fiber structure 49, the structure of the periodically poled lithium niobate laserresonator 38 of signalization light 892nm four wave mixing, three-wavelength input mirror 39,892nm four wave mixing periodically poled lithium niobate laser crystal 40,892nm outgoing mirror 41,892nm focusing output coupling mirror 42,892nm focusing output coupling mirror 42 coupling access 892nm output optical fibre 43 is set gradually from its input.660nm frequency multiplication resonant cavity 24 is set, 660nm frequency multiplication resonant cavity 24 focuses on output coupling mirror 18 by the 660nm of its output and is linked in 660nm output optical fibre 19,660nm frequency multiplication resonant cavity 24 is connected on secondary fiber-optic output 16 by the secondary fiber coupler 17 of its input, and secondary fiber-optic output 16 is drawn from the secondary fiber turns 15 of 3-stage optical fiber structure 49, 1064nm resonant cavity 14 is set, the output of 1064nm resonant cavity 14 focuses on output coupling mirror 12 by 1064nm and is linked in 1064nm output optical fibre 13,1064nm resonant 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 49, 750nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 is set, set gradually from its input: the 750nm of 3-stage 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 28,750nm frequency-doubling crystal 52, output focuses on output coupling mirror 27, forms 750nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 thus, 660nm frequency multiplication resonant cavity 24 is set, set gradually from its input: secondary input mirror 23,1319nm basic frequency laser crystal 22,660nm frequency-doubling crystal 20,660nm outgoing mirror 21 focus on output coupling mirror 18 with the 660nm of output, form 660nm frequency multiplication resonant cavity 24 thus, 1064nm resonant cavity 14 is set, set gradually from its input: one-level input mirror 9, 1064nm laser crystal 10, 1064nm outgoing mirror 11 focuses on output coupling mirror 12 with the 1064nm of output, form 1064nm resonant cavity 14 thus, 3-stage optical fiber structure 49 is set, 3-stage optical fiber structure 49 is by one-level fiber turns 6, secondary fiber turns 15 and 3-stage optical fiber circle 25 are integrally connected and form, one-level fiber turns 6 is connected on semiconductor module 2 by 808nm pumping coupler 4, semiconductor module 2 is powered by semiconductor module block power supply 5, above-mentioned whole optical element is all arranged on optical rail and ray machine tool 1, optical rail and ray machine tool 1 arrange fan 3, overall formation 892nm, 660nm, 750nm, 1064nm tetra-long wavelength fiber output laser structure.
The course of work:
Semiconductor module block power supply 5 is powered and to be powered to semiconductor module 2, semiconductor module 2 is launched 808nm laser and is coupled into one-level fiber turns 6 through 808nm pumping coupler 4, thus enter secondary fiber turns 15 and the 3-stage optical fiber circle 25 of 3-stage optical fiber structure 49, 808nm laser obtains gain in 3-stage optical fiber structure 49, 3-stage optical fiber output 36 is drawn from by 3-stage optical fiber circle 25, input 808nm laser enters 750nm periodically poled lithium niobate laser parameter oscillating tank chamber 35, the 1064nm laser that 1064nm parametric oscillation basic frequency laser crystal 31 through 750nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 generates goes pump optical parametric oscillation to generate 1500nm laser, 750nm laser is exported through 750nm frequency-doubling crystal 52 frequency multiplication, focusing on output coupling mirror 27 through 750nm is coupled in 750nm output optical fibre 26, by its input 750nm laser in three-wavelength parameter coupler 33, secondary fiber-optic output 16 is drawn from by secondary fiber turns 15, input 808nm laser enters 660nm frequency multiplication resonant cavity 24,1319nm basic frequency laser crystal 22 through 660nm frequency multiplication resonant cavity 24 generates 1064nm fundamental frequency, through 660nm frequency multiplication resonant cavity 24, frequency multiplication output 660nm laser occurs, focusing on output coupling mirror 18 through 660nm is coupled in 660nm output optical fibre 19, by its input 660nm laser in three-wavelength parameter coupler 33, one-level fiber-optic output 7 is drawn from by one-level fiber turns 6, input 808nm laser enters 1064nm resonant cavity 14,1064nm resonant cavity 14 generates 1064nm basic frequency laser, focusing on output coupling mirror 12 through 1064nm is coupled in 1064nm output optical fibre 13, by its input 1064nm laser in three-wavelength parameter coupler 33, thus, 750nm laser, 1064nm laser and 660nm laser are coupled into 892nm four wave mixing periodically poled lithium niobate laserresonator 38 through three-wavelength parameter coupler 33, flashlight 892nm, ideler frequency light 750nm, there is four-wave mixing effect in pump light I1064nm and pump light II660nm, flashlight 892nm is occurred, gain, flashlight 892nm focuses on output coupling mirror 42 through 892nm and exports 892nm Laser output 44 with 892nm output optical fibre 43, at 750nm Laser output optical fiber 27 rear, 750nm splitting optical fiber circle 48 is set, beam splitting one road 750nm Laser output, at 1064nm Laser output optical fiber 13 rear, 1064nm splitting optical fiber circle 47 is set, beam splitting one road 1064nm Laser output, at 660nm Laser output optical fiber 19 rear, 660nm splitting optical fiber circle 50 is set, beam splitting one road 660nm exports.

Claims (2)

1. a medical 892nm, 660nm, 750nm, 1064nm tetra-long wavelength fiber output laser, it is characterized by, at 750nm Laser output optical fiber rear, 750nm splitting optical fiber circle is set, beam splitting one road 750nm Laser output, at 1064nm Laser output optical fiber rear, 1064nm splitting optical fiber circle is set, beam splitting one road 1064nm Laser output, at 660nm Laser output optical fiber rear, 660nm splitting optical fiber circle is set, beam splitting one road 660nm exports, signalization light 892nm, ideler frequency light 750nm, there is the structure of the periodically poled lithium niobate laserresonator of four wave mixing in pump light I1064nm and pump light II660nm, four wave mixing generates 892nm optical-fiber laser and exports, form 892nm, 660nm, 750nm, 1064nm tetra-long wavelength fiber output laser structure.
2. the medical 892nm of one according to claim 1, 660nm, 750nm, 1064nm tetra-long wavelength fiber output laser, it is characterized by, 750nm splitting optical fiber circle, beam splitting one road 750nm Laser output, 1064nm splitting optical fiber circle, beam splitting one road 1064nm Laser output, 660nm splitting optical fiber circle, beam splitting one road 660nm exports, flashlight 892nm, ideler frequency light 750nm, pump light I1064nm and pump light II660nm enters 892nm four wave mixing periodically poled lithium niobate laserresonator, there is four-wave mixing effect, generate flashlight 892nm Laser output, form 892nm, 660nm, 750nm, 1064nm tetra-long wavelength fiber Laser output.
CN201410530876.7A 2014-10-09 2014-10-09 892-, 660-, 750- and 1,064-nanometer four-wavelength optical fiber output laser for medical use Pending CN105490149A (en)

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CN201410530876.7A CN105490149A (en) 2014-10-09 2014-10-09 892-, 660-, 750- and 1,064-nanometer four-wavelength optical fiber output laser for medical use

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CN201410530876.7A CN105490149A (en) 2014-10-09 2014-10-09 892-, 660-, 750- and 1,064-nanometer four-wavelength optical fiber output laser for medical use

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CN105490149A true CN105490149A (en) 2016-04-13

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Application publication date: 20160413