CN105896273A - Medical 892nm, 660nm and 1064nm three-wavelength fiber output laser - Google Patents
Medical 892nm, 660nm and 1064nm three-wavelength fiber output laser Download PDFInfo
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- CN105896273A CN105896273A CN201410529180.2A CN201410529180A CN105896273A CN 105896273 A CN105896273 A CN 105896273A CN 201410529180 A CN201410529180 A CN 201410529180A CN 105896273 A CN105896273 A CN 105896273A
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Abstract
The invention relates to a medical 892nm, 660nm and 1064nm three-wavelength fiber output laser. A four-wave mixing periodically polarized lithium niobate laser resonator is arranged; a 1064nm beam-splitting fiber ring is arranged at the tail section of a 1064nm laser output fiber to form one path of 1064nm laser output by splitting; a 660nm beam-splitting fiber ring is arranged at the tail section of a 660nm laser output fiber to form one path of 660nm laser output by splitting; 892nm signal light, 750nm idler light, 1064nm pump light I and 660nm pump light II are input a 892nm four-wave mixing periodically polarized lithium niobate laser resonator to generate a four-wave mixing effect and generate output of 892nm signal light; and finally, 892nm, 660nm and 1064nm three-wavelength fiber laser is output.
Description
Technical field: laser instrument and applied technical field.
Technical background:
892nm, 660nm, 1064nm tri-wavelength laser, is for medical spectral detection, lasing light emitter, materialization
The laser of application such as analyzing, it can pass 892nm, 660nm, 1064nm tri-wavelength sensor as medical optical fiber
Analyzing the application light sources such as detection, it is additionally operable to the laser such as medical optical communication and optoelectronic areas；Optical fiber laser
As the representative of third generation laser technology, there is glass optical fiber low cost of manufacture and the having mercy on property of optical fiber, glass
Material has an extremely low bulk area ratio, rapid heat dissipation, is lost low with conversion efficiency relatively advantages of higher, applies model
Enclose constantly expansion.
Summary of the invention:
A kind of medical 892nm, 660nm, 1064nm tri-long wavelength fiber output laser, arranges four-wave mixing
Periodically poled lithium niobate laserresonator, at 1064nm laser output optical fibre rear, 1064nm beam splitting is set
Fiber turns, beam splitting one road 1064nm laser exports, arranges 660nm at 660nm laser output optical fibre rear and divide
Bundle fiber turns, beam splitting one road 660nm exports, flashlight 892nm, ideler frequency light 750nm, pump light I1064nm
Enter 892nm four-wave mixing periodically poled lithium niobate laserresonator with pump light II660nm, occur four ripples to mix
Frequently effect, produces flashlight 892nm output, finally exports 892nm, 660nm, 1064nm tri-long wavelength fiber
Laser exports.
Scheme one, 892nmmmm tetra-long wavelength fiber laser structure.
Arrange flashlight 892nm, ideler frequency light 750nm, pump light I1064nm occur four with pump light II660nm
The structure of the periodically poled lithium niobate laserresonator 38 of wave mixing, sets gradually three wavelength from its input defeated
Enter mirror 39,892nm four-wave mixing periodically poled lithium niobate laser crystal 40,892nm outgoing mirror 41,892nm
Focusing on output coupling mirror 42,892nm focuses on output coupling mirror 42 coupling and accesses 892nm output optical fibre 43.
Scheme two, it is respectively provided with 750nm, 1064nm, 660nm laser beam splitter fiber turns
At 1064nm laser output optical fibre rear, 1064nm splitting optical fiber circle, beam splitting one road 1064nm laser are set
Output, arranges 660nm splitting optical fiber circle at 660nm laser output optical fibre rear, and 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, 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, 750nm frequency-doubling crystal focus on the 750nm of outfan
Output coupling mirror, thus constitutes 750nm periodically poled lithium niobate laser parameter oscillating tank chamber.
Scheme four, 660nm frequency multiplication resonator cavity is set
660nm frequency multiplication resonator cavity is set, sets gradually from its input: two grades of inputs mirror, 1319nm bases
Frequency laser crystal, 660nm frequency-doubling crystal, 660nm outgoing mirror 21 focus on the 660nm of outfan and couple output
Mirror, thus constitutes 660nm 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 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 750nm periodically poled lithium niobate laser parameter
Shake chamber, and the 1064nm parametric oscillation fundamental frequency through 750nm periodically poled lithium niobate laser parameter oscillating tank chamber swashs
The 1064nm laser that luminescent crystal generates goes pump optical parametric oscillation to generate 1500nm laser, defeated through 1500nm
Appearance enters 750nm frequency-doubling crystal frequency multiplication output 750nm laser, focuses on output coupling mirror output through 750nm,
Thus constitute 750nm periodically poled lithium niobate laser parameter oscillating tank chamber., focus on coupling output through 750nm
Mirror is coupled in 750nm output optical fibre, by its input 750nm laser to three wavelength parameter bonders；From
Being drawn secondary light fibre outfan by secondary light fibre circle, input 808nm laser enters 660nm frequency multiplication resonator cavity,
Humorous through 660nm frequency multiplication through the 1319nm basic frequency laser crystal generation 1064nm fundamental frequency of 660nm frequency multiplication resonator cavity
Shake chamber generation frequency multiplication output 660nm laser, focuses on output coupling mirror through 660nm and is coupled to 660nm output light
In fibre, by its input 660nm laser to three wavelength parameter bonders；One-level is drawn from by one-level fiber turns
Fiber-optic output, input 808nm laser enters 1064nm resonator cavity, and 1064nm resonator cavity generates 1064nm
Basic frequency laser, focuses on output coupling mirror through 1064nm and is coupled in 1064nm output optical fibre, it input
1064nm laser is in three wavelength parameter bonders；Thus, 750nm laser, 1064nm laser and 660nm
Laser is coupled into 892nm four-wave mixing periodically poled lithium niobate laserresonator through three wavelength parameter bonders,
Four-wave mixing is there is in flashlight 892nm, ideler frequency light 750nm, pump light I1064nm with pump light II660nm
Effect, makes flashlight 892nm generation, gain, and flashlight 892nm focuses on output coupling mirror coupling through 892nm
Close 892nm output optical fibre, output 892nm laser output, arrange at 1064nm laser output optical fibre rear
1064nm splitting optical fiber circle, beam splitting one road 1064nm laser exports, sets at 660nm laser output optical fibre rear
Putting 660nm splitting optical fiber circle, beam splitting one road 660nm exports, finally export 892nm, 660nm, 1064nm,
750nm tetra-long wavelength fiber laser exports.
The core content of the present invention:
A kind of medical 892nm, 660nm, 1064nm tri-long wavelength fiber output laser, at 1064nm laser
Output optical fibre rear arranges 1064nm splitting optical fiber circle, and 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, and arranges flashlight
There is the cycle of four-wave mixing in 892nm, ideler frequency light 750nm, pump light I1064nm and pump light II660nm
The structure of poled lithium niobate laserresonator, four-wave mixing generates 892nm optical-fiber laser and exports, composition 892nm,
660nm, 1064nm tri-long wavelength fiber output laser structure.
1064nm splitting optical fiber circle, beam splitting one road 1064nm laser exports, 660nm splitting optical fiber circle, beam splitting
One road 660nm output, flashlight 892nm, ideler frequency light 750nm, pump light I1064nm and pump light II
660nm enters 892nm four-wave mixing periodically poled lithium niobate laserresonator, and four-wave mixing effect occurs, raw
Become flashlight 892nm laser output, formed 892nm, 660nm, 1064nm tri-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, 22,1319nm basic frequency laser crystal, 23, two grades of input mirrors, 24,660nm frequency multiplication resonator cavity,
25,3-stage optical fiber circle, 26,750nm output optical fibre, 27,750nm focus on output coupling mirror, 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 bonders, 34,
3-stage optical fiber bonder, 35,750nm periodically poled lithium niobate laser parameter oscillating tank chamber, 36, three grades of light
Fine outfan, 37, three wavelength parameter coupling transmission optical fibers, 38,892nm four-wave mixing periodically poled lithium niobate
Laserresonator, 39, three wavelength input mirrors, 40,892nm four-wave mixing periodically poled lithium niobate laser crystal,
41,892nm outgoing mirror, 42,892nm focus on output coupling mirror, 43,892nm output optical fibre, 44,892nm
Laser exports, 45,1064nm laser output optical fibre, 46,1064nm splitting optical fiber circle, 47,660nm defeated
Go out optical fiber, 48,660nm splitting optical fiber circle, 49,3-stage optical fiber structure, 50,750nm frequency-doubling crystal.
Detailed description of the invention:
892nm four-wave mixing periodically poled lithium niobate laserresonator 38 is set, 1064nm beam splitting light is set
Fine circle 46, arranges 660nm splitting optical fiber circle 48, arranges flashlight 892nm, ideler frequency light 750nm, pump light
There is the knot of the periodically poled lithium niobate laserresonator 38 of four-wave mixing in I1064nm and pump light II660nm
Structure, arranges 892nm at 892nm four-wave mixing periodically poled lithium niobate laserresonator 38 outfan and focuses on coupling
Close outgoing mirror 42 coupling and access 892nm output optical fibre 43, arrange at 1064nm laser output optical fibre 13 rear
1064nm splitting optical fiber circle 46, beam splitting one road 1064nm laser exports, at 660nm laser output optical fibre 19
Rear arranges 660nm splitting optical fiber circle 48, and 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 fibers 37, three wavelength parameters
Three wavelength parameter bonders 33 are set before coupling transmission optical fiber 37, by 1064nm output optical fibre 13,660nm
Output optical fibre 19 couples access three wavelength parameter bonders 33 with 750nm output optical fibre 26, arranges 750nm
Periodically poled lithium niobate laser parameter oscillating tank chamber 35,750nm periodically poled lithium niobate laser parameter vibrates
Resonator cavity 35 focuses on output coupling mirror 27 by the 750nm of its outfan and is linked into 750nm output optical fibre 26
In, the input in 750nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 is coupled by 3-stage optical fiber
Device 34 is connected on 3-stage optical fiber outfan 36, and 3-stage optical fiber outfan 36 is by the three of 3-stage optical fiber structure 49
Level fiber turns 25 is drawn；The periodically poled lithium niobate laserresonator 38 of flashlight 892nm four-wave mixing is set
Structure, from its input set gradually three wavelength input mirror 39, the period polarized niobic acids of 892nm four-wave mixing
Lithium laser crystal 40,892nm outgoing mirror 41,892nm focus on output coupling mirror 42, and 892nm focuses on coupling
Outgoing mirror 42 coupling accesses 892nm output optical fibre 43.660nm frequency multiplication resonator cavity 24,660nm frequency multiplication are set
Resonator cavity 24 focuses on output coupling mirror 18 by the 660nm of its outfan and is linked into 660nm output optical fibre 19
In, 660nm frequency multiplication resonator cavity 24 is connected on secondary light fibre by the secondary light fibre bonder 17 of its input and exports
On end 16, secondary light fibre outfan 16 is drawn from the secondary light fibre circle 15 of 3-stage optical fiber structure 49；If
Putting 1064nm resonator cavity 14, the outfan of 1064nm resonator cavity 14 focuses on output coupling mirror by 1064nm
12 are linked in 1064nm output optical fibre 13, the 1064nm resonator cavity 14 one-level optical fiber by its input
Bonder 8 is connected on one-level fiber-optic output 7, and one-level fiber-optic output 7 is by the one of 3-stage optical fiber structure 49
Level fiber turns 6 is drawn；750nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 is set, defeated from it
Enter to have held and set gradually: 3-stage optical fiber input mirror 32,1064nm parametric oscillation basic frequency laser crystal 31, parameter
Vibration input mirror 30,1500nm periodically poled lithium niobate laser crystal 29,1500nm outgoing mirror 28,750nm
Frequency-doubling crystal 50, the 750nm of outfan focus on output coupling mirror 27, thus constitute the period polarized niobium of 750nm
Acid lithium laser parameter oscillating tank chamber 35；660nm frequency multiplication resonator cavity 24 is set, sets successively from its input
Put: two grades of input mirrors 23,1319nm basic frequency laser crystal 22,660nm frequency-doubling crystal 20,660nm outputs
Mirror 21 focuses on output coupling mirror 18 with the 660nm of outfan, thus constitutes 660nm frequency multiplication resonator cavity 24；
1064nm resonator cavity 14 is set, sets gradually from its input: one-level input mirror 9,1064nm laser are brilliant
Body 10,1064nm outgoing mirror 11 focus on output coupling mirror 12 with the 1064nm of outfan, thus constitute 1064nm
Resonator cavity 14, arranges 3-stage optical fiber structure 49, and 3-stage optical fiber structure 49 is fine by one-level fiber turns 6, secondary light
Circle 15 is integrally connected with 3-stage optical fiber circle 25 and to form, and one-level fiber turns 6 passes through 808nm pumping coupler 4
Being connected on semiconductor module 2, semiconductor module 2 is powered by semiconductor module block power supply 5, above-mentioned whole light
Learn element to be all arranged on optical rail and light facility 1, optical rail and light facility 1 arrange fan 3,
Totally constitute 892nm, 660nm, 1064nm tri-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 49
Secondary light fibre circle 15 and 3-stage optical fiber circle 25,808nm laser obtains gain in 3-stage optical fiber structure 49,
Drawing 3-stage optical fiber outfan 36 from by 3-stage optical fiber circle 25, input 808nm laser enters the 750nm cycle
Poled lithium niobate laser parameter oscillating tank chamber 35, humorous through the vibration of 750nm 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 750nm laser through 750nm frequency-doubling crystal 50 frequency multiplication, through 750nm
Focus on output coupling mirror 27 to be coupled in 750nm output optical fibre 26, by its input 750nm laser to three ripples
In long parameter bonder 33；Draw secondary light fibre outfan 16 from by secondary light fibre circle 15, input 808nm
Laser enters 660nm frequency multiplication resonator cavity 24, brilliant through the 1319nm basic frequency laser of 660nm frequency multiplication resonator cavity 24
Body 22 generates 1064nm fundamental frequency and occurs frequency multiplication to export 660nm laser, through 660nm through 660nm frequency multiplication resonator cavity 24
Focus on output coupling mirror 18 to be coupled in 660nm output optical fibre 19, by its input 660nm laser to three ripples
In long parameter bonder 33；Drawing one-level fiber-optic output 7 from by one-level fiber turns 6, input 808nm swashs
Light enters 1064nm resonator cavity 14, and 1064nm resonator cavity 14 generates 1064nm basic frequency laser, through 1064nm
Focus on output coupling mirror 12 to be coupled in 1064nm output optical fibre 13, by its input 1064nm laser to three
In wavelength parameter bonder 33；Thus, 750nm laser, 1064nm laser and 660nm laser are through three wavelength
Parameter bonder 33 is coupled into 892nm four-wave mixing periodically poled lithium niobate laserresonator 38, flashlight
Four-wave mixing effect is there is in 892nm, ideler frequency light 750nm, pump light I1064nm with pump light II660nm,
Making flashlight 892nm generation, gain, flashlight 892nm focuses on output coupling mirror 42 and 892nm through 892nm
Output optical fibre 43 exports 892nm laser output 44, arranges 1064nm at 1064nm laser output optical fibre 13 rear
Splitting optical fiber circle 46, beam splitting one road 1064nm laser exports, sets at 660nm laser output optical fibre 19 rear
Putting 660nm splitting optical fiber circle 48, beam splitting one road 660nm exports.
Claims (2)
1. medical 892nm, 660nm, 1064nm tri-long wavelength fiber output laser, is characterized by,
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,
Arranging flashlight 892nm, there are four ripples with pump light II 660nm in ideler frequency light 750nm, pump light I 1064nm
The structure of the periodically poled lithium niobate laserresonator of mixing, four-wave mixing generates the output of 892nm optical-fiber laser,
Constitute 892nm, 660nm, 1064nm tri-long wavelength fiber output laser structure.
One the most according to claim 1 medical 892nm, 660nm, 1064nm tri-long wavelength fiber output
Laser instrument, is characterized by, 1064nm splitting optical fiber circle, and beam splitting one road 1064nm laser exports, 660nm
Splitting optical fiber circle, beam splitting one road 660nm exports, flashlight 892nm, ideler frequency light 750nm, pump light I
1064nm and pump light II 660nm enters 892nm four-wave mixing periodically poled lithium niobate laserresonator, sends out
Raw four-wave mixing effect, generates the output of flashlight 892nm laser, forms 892nm, 660nm, 1064nm tri-
Long wavelength fiber laser exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410529180.2A CN105896273A (en) | 2014-10-09 | 2014-10-09 | Medical 892nm, 660nm and 1064nm three-wavelength fiber output laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410529180.2A CN105896273A (en) | 2014-10-09 | 2014-10-09 | Medical 892nm, 660nm and 1064nm three-wavelength fiber output laser |
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| CN105896273A true CN105896273A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410529180.2A Pending CN105896273A (en) | 2014-10-09 | 2014-10-09 | Medical 892nm, 660nm and 1064nm three-wavelength fiber output laser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400519A (en) * | 2018-02-28 | 2018-08-14 | 上海理工大学 | synchronous high-resolution multi-wavelength coherent anti-Stokes Raman scattering light source |
-
2014
- 2014-10-09 CN CN201410529180.2A patent/CN105896273A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400519A (en) * | 2018-02-28 | 2018-08-14 | 上海理工大学 | synchronous high-resolution multi-wavelength coherent anti-Stokes Raman scattering light source |
| CN108400519B (en) * | 2018-02-28 | 2020-06-23 | 上海理工大学 | Synchronous high-resolution multi-wavelength coherent anti-Stokes Raman scattering light source |
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Application publication date: 20160824 |