CN105896290A - Medical 465nm and 532nm dual-wavelength optical fiber output laser - Google Patents
Medical 465nm and 532nm dual-wavelength optical fiber output laser Download PDFInfo
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- CN105896290A CN105896290A CN201410531026.9A CN201410531026A CN105896290A CN 105896290 A CN105896290 A CN 105896290A CN 201410531026 A CN201410531026 A CN 201410531026A CN 105896290 A CN105896290 A CN 105896290A
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Abstract
The invention relates to a medical 465nm and 532nm dual-wavelength optical fiber output laser, which is characterized in that a 532nm beam splitting optical fiber ring is arranged at the tail section of a 532nm laser output optical fiber, and a path of 532nm laser is guided to be outputted through a 532nm laser output end; a 465nm four-wave mixing periodically poled lithium niobate laser resonant cavity is arranged; 465nm signal light, 1500nm idler frequency light, 1064nm pump light I and 532nm pump light II enter the 465nm four-wave mixing periodically poled lithium niobate laser resonant cavity, a four-wave mixing effect is generated, the 465nm signal light is enabled to be generated and gained, 465nm signal light is coupled to a 465nm output optical fiber through a 465nm focusing coupling output mirror, 465nm laser is outputted, and finally 465nm and 532nm dual-wavelength laser output is performed.
Description
Technical field: laser instrument and applied technical field.
Technical background:
465nm, 532nm dual-wavelength laser, is should for medical spectral detection, lasing light emitter, instrumental analysis etc.
Laser, it can as medical optical fiber pass 465nm, 532nm dual wavelength sensor analysis detection etc. should use up
Source, it is additionally operable to the laser such as medical optical communication and optoelectronic areas；Optical fiber laser is as third generation laser skill
The representative of art, has glass optical fiber low cost of manufacture and has extremely low body with the having mercy on property of optical fiber, glass material
Long-pending area 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 medical 465nm, 532nm dual-wavelength optical-fiber output laser, at 532nm laser output optical fibre tail
Section arranges 532nm splitting optical fiber circle, draws a road 532nm and exports through 532nm laser output, arranges 465nm
Four-wave mixing periodically poled lithium niobate laserresonator, flashlight 465nm, ideler frequency light 1500nm, pump light I
1064nm and pump light II532nm enters 465nm four-wave mixing periodically poled lithium niobate laserresonator, sends out
Raw four-wave mixing effect, makes flashlight 465nm generation, gain, and flashlight 465nm focuses on coupling through 465nm
Close outgoing mirror and be coupled to 465nm output optical fibre, output 465nm laser output, finally export 465nm, 532nm
Dual-wavelength laser exports.
Scheme one, 465nmmmm tetra-long wavelength fiber laser structure.
A kind of medical 465nm, 532nm dual-wavelength optical-fiber output laser, arranges the 465nm four-wave mixing cycle
Poled lithium niobate laserresonator, arranges 465nm four-wave mixing periodically poled lithium niobate laserresonator, from
Its input set gradually three wavelength input mirror 465nm four-wave mixing periodically poled lithium niobate laser crystals,
465nm outgoing mirror, 465nm focus on output coupling mirror, 465nm output optical fibre, at 532nm output optical fibre
Rear arranges 532nm splitting optical fiber circle, arranges the 532nm laser output of 532nm splitting optical fiber circle, arranges
Four-wave mixing is there is in flashlight 465nm, ideler frequency light 1500nm, pump light I1064nm with pump light II532nm
The structure of periodically poled lithium niobate laserresonator, ideler frequency light 1500nm, pump light I1064nm and pumping
Light II532nm with derive from three wavelength parameter bonders, by 1064nm output optical fibre, 532nm output optical fibre with
The coupling of 1500nm output optical fibre accesses three wavelength parameter bonders, finally output 465nm wavelength laser.
Scheme two, 532nm splitting optical fiber circle is set
Rear at 532nm output optical fibre arranges 532nm splitting optical fiber circle, arranges 532nm splitting optical fiber circle
532nm 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, sets gradually from its input:
3-stage optical fiber input mirror, 1064nm parametric oscillation basic frequency laser crystal, parametric oscillation input mirror, 1500nm week
Phase poled lithium niobate laser crystal, 1500nm outgoing mirror 28 focus on output coupling mirror with the 1500nm of outfan,
Thus constitute 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber.
Scheme four, 532nm frequency multiplication resonator cavity is set
532nm frequency multiplication resonator cavity is set, sets gradually from its input: two grades of inputs mirror, 1064nm bases
Frequency laser crystal, 532nm frequency-doubling crystal, 532nm outgoing mirror 21 focus on the 532nm of outfan and couple output
Mirror, thus constitutes 532nm frequency multiplication resonator cavity.
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 five, 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
Focus on output coupling mirror to be coupled in 1500nm output optical fibre, its input 1500nm laser join to three wavelength
In amount bonder；Drawing secondary light fibre outfan from by secondary light fibre circle, input 808nm laser enters 532nm
Frequency multiplication resonator cavity, through the 1064nm basic frequency laser crystal generation 1064nm fundamental frequency warp of 532nm frequency multiplication resonator cavity
532nm frequency multiplication resonator cavity generation frequency multiplication output 532nm laser, focuses on output coupling mirror through 532nm and is coupled to
In 532nm output optical fibre, by its input 532nm laser to three wavelength parameter bonders；From by one-level optical fiber
One-level fiber-optic output drawn by circle, and input 808nm laser enters 1064nm resonator cavity, 1064nm resonator cavity
Generate 1064nm basic frequency laser, focus on output coupling mirror through 1064nm and be coupled in 1064nm output optical fibre,
By in its input 1064nm laser to three wavelength parameter bonders；Thus, 1500nm laser, 1064nm swash
Light and 532nm laser are coupled into 465nm four-wave mixing periodically poled lithium niobate through three wavelength parameter bonders
Laserresonator, flashlight 465nm, ideler frequency light 1500nm, pump light I1064nm and pump light II532nm
Four-wave mixing effect occurring, makes flashlight 465nm generation, gain, flashlight 465nm focuses on through 465nm
Output coupling mirror is coupled to 465nm output optical fibre, and output 465nm laser output, at 532nm output optical fibre
The 532nm splitting optical fiber circle beam splitting output 532nm laser that rear is arranged, exports 532nm through outfan.
The core content of the present invention:
A kind of medical 465nm, 532nm dual-wavelength optical-fiber output laser, arranges the 465nm four-wave mixing cycle
Poled lithium niobate laserresonator, arranges 532nm splitting optical fiber circle, arranges flashlight 465nm, ideler frequency light
1500nm, pump light I1064nm and pump light II532nm occur the periodically poled lithium niobate of four-wave mixing to swash
The structure of optical cavity, is arranged at 465nm four-wave mixing periodically poled lithium niobate laserresonator outfan
465nm focuses on output coupling mirror coupling and accesses 465nm output optical fibre, ideler frequency light 1500nm, pump light I1064nm
With pump light II532nm with derive from three wavelength parameter coupling transmission optical fibers and three wavelength parameter bonders,
The rear of 532nm output optical fibre arranges 532nm splitting optical fiber circle, arranges the 532nm of 532nm splitting optical fiber circle
Laser output.
532nm splitting optical fiber circle is set at 532nm laser output optical fibre rear, draws a road 532nm through 532nm
Laser output exports, flashlight 465nm, ideler frequency light 1500nm, pump light I1064nm and pump light II
532nm enters 465nm four-wave mixing periodically poled lithium niobate laserresonator, four-wave mixing effect occurs, makes
Flashlight 465nm occurs, gain, and flashlight 465nm focuses on output coupling mirror through 465nm and is coupled to 465nm
Output optical fibre, output 465nm laser output, form the output of 465nm, 532nm dual-wavelength optical-fiber.
Accompanying drawing illustrates:
Accompanying drawing is the structure chart of this patent, and accompanying drawing is wherein: 1, optical rail and light facility, 2, quasiconductor
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 brilliant
Body, 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,
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, two grades of input mirrors, 24,532nm frequency multiplication resonator cavity,
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 465nm four-wave mixing
Lithium laserresonator, 39, three wavelength input mirrors, 40,465nm four-wave mixing periodically poled lithium niobate laser brilliant
Body, 41,465nm outgoing mirror, 42,465nm focus on output coupling mirror, 43,465nm output optical fibre, 44,
465nm laser exports, and 45,532nm laser output, 46,532nm splitting optical fiber circle, 47, three grades of light
Fine structure.
Detailed description of the invention:
465nm four-wave mixing periodically poled lithium niobate laserresonator 38 is set, 532nm beam splitting light is set
Fine circle 46, arranges flashlight 465nm, ideler frequency light 1500nm, pump light I1064nm and pump light II532nm
There is the structure of the periodically poled lithium niobate laserresonator 38 of four-wave mixing, in the 465nm four-wave mixing cycle
Poled lithium niobate laserresonator 38 outfan arranges 465nm and focuses on output coupling mirror 42 coupling access 465nm
Output optical fibre 43, the rear at 532nm output optical fibre 26 arranges 532nm splitting optical fiber circle 46, arranges 532nm
The 532nm laser output 45 of splitting optical fiber circle 46, ideler frequency light 1500nm, pump light I1064nm and pump
Pu light II532nm with derive from three wavelength parameter coupling transmission optical fibers 37, three wavelength parameter coupling transmission optical fibers
Three wavelength parameter bonders 33 are set before 37, by 1064nm output optical fibre 13,532nm output optical fibre
19 couple access three wavelength parameter bonders 33 with 1500nm output optical fibre 26, arrange 1500nm cycle pole
Change Lithium metaniobate laser parameter oscillating tank chamber 35,1500nm periodically poled lithium niobate laser parameter oscillating tank chamber
35 focus on output coupling mirror 27 by the 1500nm of its outfan is linked in 1500nm output optical fibre 26,
The input in 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 passes through 3-stage optical fiber bonder
34 are connected on 3-stage optical fiber outfan 36, and 3-stage optical fiber outfan 36 is by three grades of light of 3-stage optical fiber structure 47
The extraction of fine circle 25；Arranging 532nm frequency multiplication resonator cavity 24,532nm frequency multiplication resonator cavity 24 is by its outfan
532nm focus on output coupling mirror 18 be linked in 532nm output optical fibre 19,532nm frequency multiplication resonator cavity
24 are 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 47；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 47；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 couple defeated with the 1500nm of outfan focusing
Appearance, thus constitutes 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35；Arrange 532nm times
Frequently resonator cavity 24, set gradually from its input: two grades of inputs 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 outfan,
Thus constitute 532nm frequency multiplication resonator cavity 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 47 is set, three grades
Optical fiber structure 47 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.
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 47
Secondary light fibre circle 15 and 3-stage optical fiber circle 25,808nm laser obtains gain in 3-stage optical fiber structure 47,
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 532nm frequency multiplication resonator cavity 24, through 532nm
The 1064nm basic frequency laser crystal 22 of frequency multiplication resonator cavity 24 generates 1064nm fundamental frequency through 532nm frequency multiplication resonance
Chamber 24 occurs frequency multiplication to export 532nm laser, is coupled to 532nm through 532nm focusing output coupling mirror 18 defeated
Go out in optical fiber 19, by its input 532nm laser to three wavelength parameter bonders 33；From by one-level optical fiber
Circle 6 extraction one-level fiber-optic output 7, input 808nm laser enters 1064nm resonator cavity 14,1064nm
Resonator cavity 14 generates 1064nm basic frequency laser, focuses on output coupling mirror 12 through 1064nm and is coupled to 1064nm
In output optical fibre 13, by its input 1064nm laser to three wavelength parameter bonders 33；Thus, 1500nm
Laser, 1064nm laser are coupled into 465nm tetra-ripple with 532nm laser through three wavelength parameter bonders 33 and mix
Frequently periodically poled lithium niobate laserresonator 38, flashlight 465nm, ideler frequency light 1500nm, pump light I1064nm
There is four-wave mixing effect with pump light II532nm, make flashlight 465nm generation, gain, flashlight 465nm
Focus on output coupling mirror 42 through 465nm and export 465nm laser output 44 with 465nm output optical fibre 43,
The 532nm splitting optical fiber circle 46 beam splitting output 532nm laser that the rear of 532nm output optical fibre 26 is arranged,
532nm is exported through outfan 45.
Claims (2)
1. medical 465nm, 532nm dual-wavelength optical-fiber output laser, is characterized by, arrange 465nm
Four-wave mixing periodically poled lithium niobate laserresonator, arranges 532nm splitting optical fiber circle, arranges flashlight
The cycle of four-wave mixing is there is in 465nm, ideler frequency light 1500nm, pump light I 1064nm with pump light II 532nm
The structure of poled lithium niobate laserresonator, defeated at 465nm four-wave mixing periodically poled lithium niobate laserresonator
Go out end and 465nm focusing output coupling mirror coupling access 465nm output optical fibre, ideler frequency light 1500nm, pumping are set
Light I 1064nm and pump light II 532nm with derive from three wavelength parameter coupling transmission optical fibers and three wavelength parameters
Bonder, the rear at 532nm output optical fibre arranges 532nm splitting optical fiber circle, arranges 532nm splitting optical fiber circle
532nm laser output.
One the most according to claim 1 medical 465nm long wavelength fiber output laser, is characterized by,
532nm splitting optical fiber circle is set at 532nm laser output optical fibre rear, draws a road 532nm and swash through 532nm
Light output end exports, flashlight 465nm, ideler frequency light 1500nm, pump light I 1064nm and pump light 1I 532nm
Enter 465nm four-wave mixing periodically poled lithium niobate laserresonator, four-wave mixing effect occurs, makes signal
Light 465nm occurs, gain, and it is defeated that flashlight 465nm is coupled to 465nm through 465nm focusing output coupling mirror
Go out optical fiber, output 465nm laser output, form the output of 465nm, 532nm dual-wavelength optical-fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531026.9A CN105896290A (en) | 2014-10-09 | 2014-10-09 | Medical 465nm and 532nm dual-wavelength optical fiber output laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531026.9A CN105896290A (en) | 2014-10-09 | 2014-10-09 | Medical 465nm and 532nm dual-wavelength optical fiber output laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105896290A true CN105896290A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410531026.9A Pending CN105896290A (en) | 2014-10-09 | 2014-10-09 | Medical 465nm and 532nm dual-wavelength optical fiber output laser |
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Application publication date: 20160824 |
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| WD01 | Invention patent application deemed withdrawn after publication |