CN204333592U - A kind of medical three-wavelength optical fiber output laser - Google Patents
A kind of medical three-wavelength optical fiber output laser Download PDFInfo
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- CN204333592U CN204333592U CN201420583924.4U CN201420583924U CN204333592U CN 204333592 U CN204333592 U CN 204333592U CN 201420583924 U CN201420583924 U CN 201420583924U CN 204333592 U CN204333592 U CN 204333592U
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Abstract
A kind of medical three-wavelength optical fiber output laser, 465nm four wave mixing periodically poled lithium niobate laserresonator is set, at the rear of 532nm output optical fibre, 532nm splitting optical fiber circle is set, the 532nm laser output of 532nm splitting optical fiber circle is set, draw a road 532nm to export through 532nm laser output, at 1500nm Laser output optical fiber rear, 1500nm splitting optical fiber circle is set, draw a road 1500nm to export through 1500nm laser output, flashlight 465nm, ideler frequency light 1500nm, four wave mixing is there is in pump light I 1064nm and pump light II 532nm in the periodically poled lithium niobate laserresonator of four wave mixing, export 465nm, finally export 465nm, 532nm, 1500nm three-wavelength laser.
Description
Technical field: laser and applied technical field.
Technical background:
The laser of the application such as medical spectral detection, lasing light emitter, instrumental analysis, often need the lasing light emitter that multi-wavelength exports, this patent provides a kind of 465nm, 532nm, 1500nm three-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 the using light sources such as the analyzing and testing of 465nm, 532nm, 1500nm three-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:
The utility model provides a kind of medical three-wavelength optical fiber output laser, with solve medical spectral detection and instrumental analysis etc. apply in 465nm, 532nm, 1500nm three-wavelength LASER Light Source problem, the utility model arranges the technological means of splitting optical fiber circle at optical fiber rear by adopting, achieve and export 465nm, 532nm, 1500nm three-wavelength laser.
Specific as follows: at 532nm Laser output optical fiber rear, 532nm splitting optical fiber circle is set, draw a road 532nm to export through 532nm laser output, at 1500nm Laser output optical fiber rear, 1500nm splitting optical fiber circle is set, draw a road 1500nm to export through 1500nm laser output, 465nm four wave mixing periodically poled lithium niobate laserresonator is set, flashlight 465nm, ideler frequency light 1500nm, pump light I1064nm and pump light II532nm enters 465nm four wave mixing periodically poled lithium niobate laserresonator, there is four-wave mixing effect, flashlight 465nm is occurred, gain, flashlight 465nm focuses on output coupling mirror through 465nm and is coupled to 465nm output optical fibre, export 465nm Laser output, finally export 465nm, 532nm, 1500nm three-wavelength Laser output.
Scheme one, 465nmmmm tetra-long wavelength fiber laser structure.
A kind of medical three-wavelength optical fiber output laser, 465nm four wave mixing periodically poled lithium niobate laserresonator is set, at the rear of 532nm output optical fibre, 532nm splitting optical fiber circle is set, the 532nm laser output of 532nm splitting optical fiber circle is set, draw a road 532nm to export through 532nm laser output, at 1500nm Laser output optical fiber rear, 1500nm splitting optical fiber circle is set, draw a road 1500nm to export through 1500nm laser output, flashlight 465nm, ideler frequency light 1500nm, four wave mixing is there is in pump light I1064nm and pump light II532nm in the periodically poled lithium niobate laserresonator of four wave mixing, export 465nm, finally export 465nm, 532nm, 1500nm three-wavelength laser.
Scheme two, arrange 532nm splitting optical fiber circle with 1500nm splitting optical fiber circle is set
At the rear of 532nm output optical fibre, 532nm splitting optical fiber circle is set, the 532nm laser output of 532nm splitting optical fiber circle is set, draw a road 532nm to export through 532nm laser output, 1500nm splitting optical fiber circle is set at 1500nm Laser output optical fiber rear, draws a road 1500nm and export through 1500nm laser 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, set gradually from its input: 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 28 focus on output coupling mirror with the 1500nm of output, form 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber thus.
Scheme four, 532nm frequency multiplication resonant cavity is set
532nm frequency multiplication resonant cavity is set, sets gradually from its input: secondary input mirror, 1064nm basic frequency laser crystal, 532nm frequency-doubling crystal, 532nm outgoing mirror 21 focus on output coupling mirror with the 532nm of output, form 532nm 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 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber, the 1064nm laser that 1064nm parametric oscillation basic frequency laser crystal through 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber generates goes pump optical parametric oscillation to generate 1500nm laser, focusing on output coupling mirror through 1500nm is coupled in 1500nm output optical fibre, by its input 1500nm laser in three-wavelength parameter coupler, secondary fiber-optic output is drawn from by secondary fiber turns, input 808nm laser enters 532nm frequency multiplication resonant cavity, 1064nm basic frequency laser crystal through 532nm frequency multiplication resonant cavity generates 1064nm fundamental frequency and exports 532nm laser through 532nm frequency multiplication resonant cavity generation frequency multiplication, focusing on output coupling mirror through 532nm is coupled in 532nm output optical fibre, by its input 532nm 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, 1500nm laser, 1064nm laser and 532nm laser are coupled into 465nm four wave mixing periodically poled lithium niobate laserresonator through three-wavelength parameter coupler, flashlight 465nm, ideler frequency light 1500nm, there is four-wave mixing effect in pump light I1064nm and pump light II532nm, flashlight 465nm is occurred, gain, flashlight 465nm focuses on output coupling mirror through 465nm and is coupled to 465nm output optical fibre, export 465nm Laser output, the 532nm splitting optical fiber circle beam splitting arranged at the rear of 532nm output optical fibre exports 532nm laser, 532nm is exported through output, at 1500nm Laser output optical fiber rear, 1500nm splitting optical fiber circle is set, draw a road 1500nm to export through 1500nm laser output.
Core content of the present invention:
A kind of medical three-wavelength optical fiber output laser, 465nm four wave mixing periodically poled lithium niobate laserresonator is set, 532nm splitting optical fiber circle is set, 1500nm splitting optical fiber circle is set, at the rear of 532nm output optical fibre, 532nm splitting optical fiber circle is set, the 532nm laser output of 532nm splitting optical fiber circle is set, at the rear of 1500nm output optical fibre, 1500nm splitting optical fiber circle is set, the 1500nm laser output of 1500nm splitting optical fiber circle is set, signalization light 465nm, ideler frequency light 1500nm, there is the structure of the periodically poled lithium niobate laserresonator of four wave mixing in pump light I1064nm and pump light II532nm.
532nm splitting optical fiber Quan Yin mono-road 532nm is through 532nm Laser output, 1500nm splitting optical fiber Quan Yin mono-road 1500nm Laser output, flashlight 465nm, ideler frequency light 1500nm, pump light I1064nm and pump light II532nm enter 465nm four wave mixing periodically poled lithium niobate laserresonator, there is four-wave mixing effect, there is flashlight 465nm Laser output, form 465nm, 532nm, 1500nm three-wavelength optical-fiber laser and export.
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, 532nm focuses on output coupling mirror, and 19, 532nm output optical fibre, 20, 532nm frequency-doubling crystal, 21, 532nm outgoing mirror, 22, 1064nm basic frequency laser crystal, 23, secondary input mirror, 24, 532nm frequency multiplication resonant cavity, 25, 3-stage optical fiber circle, 26, 1500nm output optical fibre, 27, 1500nm focuses on output coupling mirror, and 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 coupler, 34, 3-stage optical fiber coupler, 35, 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber, 36, 3-stage optical fiber output, 37, three-wavelength parameter coupling transmission optical fiber, 38, 465nm four wave mixing periodically poled lithium niobate laserresonator, 39, three-wavelength input mirror, 40, 465nm four wave mixing periodically poled lithium niobate laser crystal, 41, 465nm outgoing mirror, 42, 465nm focuses on output coupling mirror, and 43, 465nm output optical fibre, 44, 465nm Laser output, 45, 532nm laser output, 46, 1500nm output optical fibre, 47, 1500nm splitting optical fiber circle, 48, 532nm splitting optical fiber circle, 49, 3-stage optical fiber structure.
Embodiment:
465nm four wave mixing periodically poled lithium niobate laserresonator 38 is set, 532nm splitting optical fiber circle 48 is set, 1500nm splitting optical fiber circle is set, signalization light 465nm, ideler frequency light 1500nm, there is the structure of the periodically poled lithium niobate laserresonator 38 of four wave mixing in pump light I1064nm and pump light II532nm, 465nm is set at 465nm four wave mixing periodically poled lithium niobate laserresonator 38 output and focuses on output coupling mirror 42 coupling access 465nm output optical fibre 43, at the rear of 532nm output optical fibre 26,532nm splitting optical fiber circle 48 is set, the 532nm laser output 45 of 532nm splitting optical fiber circle 48 is set, at the rear of 1500nm output optical fibre 36,1500nm splitting optical fiber circle 47 is set, the 1500nm laser output 46 of 1500nm splitting optical fiber circle 47 is set, ideler frequency light 1500nm, pump light I1064nm and pump light II532nm 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, 532nm output optical fibre 19 is coupled with 1500nm output optical fibre 26 and accesses three-wavelength parameter coupler 33, 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 is set, 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 focuses on output coupling mirror 27 by the 1500nm of its output and is linked in 1500nm output optical fibre 26, the input in 1500nm 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, 532nm frequency multiplication resonant cavity 24 is set, 532nm frequency multiplication resonant cavity 24 focuses on output coupling mirror 18 by the 532nm of its output and is linked in 532nm output optical fibre 19,532nm 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, 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 is set, set gradually from its input: 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 focus on output coupling mirror with the 1500nm of output, form 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 thus, 532nm frequency multiplication resonant cavity 24 is set, set gradually from its input: secondary input mirror 23,1064nm basic frequency laser crystal 22,532nm frequency-doubling crystal 20,532nm outgoing mirror 21 focus on output coupling mirror 18 with the 532nm of output, form 532nm 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.
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 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35, the 1064nm laser that 1064nm parametric oscillation basic frequency laser crystal 31 through 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 generates goes pump optical parametric oscillation to generate 1500nm laser, focusing on output coupling mirror 27 through 1500nm is coupled in 1500nm output optical fibre 26, by its input 1500nm laser in three-wavelength parameter coupler 33, secondary fiber-optic output 16 is drawn from by secondary fiber turns 15, input 808nm laser enters 532nm frequency multiplication resonant cavity 24,1064nm basic frequency laser crystal 22 through 532nm frequency multiplication resonant cavity 24 generates 1064nm fundamental frequency, through 532nm frequency multiplication resonant cavity 24, frequency multiplication output 532nm laser occurs, focusing on output coupling mirror 18 through 532nm is coupled in 532nm output optical fibre 19, by its input 532nm 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, 1500nm laser, 1064nm laser and 532nm laser are coupled into 465nm four wave mixing periodically poled lithium niobate laserresonator 38 through three-wavelength parameter coupler 33, flashlight 465nm, ideler frequency light 1500nm, there is four-wave mixing effect in pump light I1064nm and pump light II532nm, flashlight 465nm is occurred, gain, flashlight 465nm focuses on output coupling mirror 42 through 465nm and exports 465nm Laser output 44 with 465nm output optical fibre 43, 532nm splitting optical fiber circle 48 beam splitting arranged at the rear of 532nm output optical fibre 26 exports 532nm laser, 532nm is exported through output 45, 1500nm splitting optical fiber circle 47 beam splitting arranged at the rear of 1500nm output optical fibre 36 exports 1500nm laser, 1500nm is exported through output 46.
Claims (1)
1. a medical three-wavelength optical fiber output laser, it is characterized by, 465nm four wave mixing periodically poled lithium niobate laserresonator is set, 532nm splitting optical fiber circle is set, 1500nm splitting optical fiber circle is set, at the rear of 532nm output optical fibre, 532nm splitting optical fiber circle is set, the 532nm laser output of 532nm splitting optical fiber circle is set, at the rear of 1500nm output optical fibre, 1500nm splitting optical fiber circle is set, the 1500nm laser output of 1500nm splitting optical fiber circle is set, signalization light 465nm, ideler frequency light 1500nm, there is the structure of the periodically poled lithium niobate laserresonator of four wave mixing in pump light I1064nm and pump light II532nm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420583924.4U CN204333592U (en) | 2014-10-09 | 2014-10-09 | A kind of medical three-wavelength optical fiber output laser |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420583924.4U CN204333592U (en) | 2014-10-09 | 2014-10-09 | A kind of medical three-wavelength optical fiber output laser |
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| CN204333592U true CN204333592U (en) | 2015-05-13 |
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Granted publication date: 20150513 Termination date: 20151009 |
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