CN105896284A - Medical 465nm, 532nm, 1064nm and 1500nm four-wavelength optical fiber output laser - Google Patents
Medical 465nm, 532nm, 1064nm and 1500nm four-wavelength optical fiber output laser Download PDFInfo
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- CN105896284A CN105896284A CN201410530899.8A CN201410530899A CN105896284A CN 105896284 A CN105896284 A CN 105896284A CN 201410530899 A CN201410530899 A CN 201410530899A CN 105896284 A CN105896284 A CN 105896284A
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Abstract
The invention relates to a medical 465nm, 532nm, 1064nm and 1500nm four-wavelength optical fiber output laser, which is characterized in that a 1500nm beam splitting optical fiber ring is arranged at the tail section of a 1500nm laser output optical fiber, and a path of 1500nm laser output is branched; a 1064nm beam splitting optical fiber ring is arranged at the tail section of a 1064nm laser output optical fiber, and a path of 1064nm laser output is branched; 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 output is branched; and 465nm signal light, 1500nm idler frequency light, 1064nm pump light I and 532nm pump light II enter a 465nm four-wave mixing periodically poled lithium niobate laser resonant cavity, a four-wave mixing effect is generated, 465nm signal light output is generated, and finally 465nm, 532nm, 1064nm and 1500nm four-wavelength optical fiber laser output is performed.
Description
Technical field: laser instrument and applied technical field.
Technical background:
465nm, 532nm, 1064nm, 1500nm tetra-wavelength laser, is for medical spectral detection, laser
The laser of the application such as source, instrumental analysis, it can pass 465nm, 532nm, 1064nm, 1500nm as medical optical fiber
The application light source such as the analysis detection of four wavelength sensors, it is additionally operable to the laser such as medical optical communication and optoelectronic areas；
Optical fiber laser is as the representative of third generation laser technology, and have glass optical fiber low cost of manufacture and optical fiber can
Rao Xing, glass material have an extremely low bulk area ratio, rapid heat dissipation, be lost low more high with conversion efficiency excellent
Point, range of application constantly expands.
Summary of the invention:
A kind of medical 465nm, 532nm, 1064nm, 1500nm tetra-long wavelength fiber output laser, at 1500nm
Laser output optical fibre rear arranges 1500nm splitting optical fiber circle, and beam splitting one road 1500nm laser exports,
1064nm laser output optical fibre rear arranges 1064nm splitting optical fiber circle, and beam splitting one road 1064nm laser exports,
Arranging 532nm splitting optical fiber circle at 532nm laser output optical fibre rear, beam splitting one road 532nm exports, letter
Number light 465nm, ideler frequency light 1500nm, pump light I 1064nm enter 465nm tetra-with pump light II 532nm
, there is four-wave mixing effect in wave mixing periodically poled lithium niobate laserresonator, produces flashlight 465nm defeated
Go out, finally export 465nm, 532nm, 1064nm, 1500nm tetra-long wavelength fiber laser output.
Scheme one, 465nmmmm tetra-long wavelength fiber laser structure.
Arrange flashlight 465nm, ideler frequency light 1500nm, pump light I 1064nm occur with pump light II 532nm
The structure of the periodically poled lithium niobate laserresonator 38 of four-wave mixing, at the period polarized niobium of 465nm four-wave mixing
Acid lithium laserresonator 38 outfan arranges 465nm and focuses on output coupling mirror 42 coupling access 465nm output optical fibre
43。
Scheme two, it is respectively provided with 1500nm, 1064nm, 532nm laser beam splitter fiber turns
At 1500nm output optical fibre rear, 1500nm splitting optical fiber circle, beam splitting one road 1500nm laser warp are set
1500nm laser output exports, and arranges 1064nm splitting optical fiber circle at 1064nm laser output optical fibre rear,
Beam splitting one road 1064nm laser exports through 1064nm laser output, sets at 532nm laser output optical fibre rear
Putting 532nm splitting optical fiber circle, beam splitting one road 532nm laser exports through 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 I 1064nm and pump light II 532nm
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 1500nm output optical fibre
Rear arranges 1500nm splitting optical fiber circle, and beam splitting one road 1500nm laser exports through 1500nm laser output,
At 1064nm laser output optical fibre rear, 1064nm splitting optical fiber circle, beam splitting one road 1064nm laser warp are set
1064nm laser output exports, and arranges 532nm splitting optical fiber circle at 532nm laser output optical fibre rear,
Beam splitting one road 532nm laser through 532nm laser output export, finally export 465nm, 532nm, 1064nm,
1500nm tetra-long wavelength fiber laser exports.
The core content of the present invention:
A kind of medical 465nm, 532nm, 1064nm, 1500nm tetra-long wavelength fiber output laser, at 1500nm
Output optical fibre rear arranges 1500nm splitting optical fiber circle, and beam splitting one road 1500nm laser is defeated through 1500nm laser
Go out end output, 1064nm splitting optical fiber circle, beam splitting one tunnel are set at 1064nm laser output optical fibre rear
1064nm laser exports through 1064nm laser output, arranges 532nm at 532nm laser output optical fibre rear
Splitting optical fiber circle, beam splitting one road 532nm laser through 532nm laser output export, arrange flashlight 465nm,
The period polarized niobium of four-wave mixing is there is in ideler frequency light 1500nm, pump light I 1064nm with pump light 1I 532nm
Acid lithium laserresonator structure, four-wave mixing generate 465nm optical-fiber laser output, constitute 465nm, 532nm,
1064nm, 1500nm tetra-long wavelength fiber output laser structure.
The 1500nm laser output of 1500nm splitting optical fiber circle beam splitting one road, 1064nm splitting optical fiber circle beam splitting one tunnel
1064nm laser exports, and 532nm splitting optical fiber circle beam splitting one road 532nm laser exports, flashlight 465nm,
Ideler frequency light 1500nm, pump light I 1064nm enter 465nm four-wave mixing cycle pole with pump light II 532nm
Change Lithium metaniobate laserresonator, four-wave mixing effect occurs, generate the output of flashlight 465nm laser, formed
465nm, 532nm, 1064nm, 1500nm 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 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 45,1064nm laser output optical fibre, 46,1500nm output optical fibre, 47,1064nm
Splitting optical fiber circle, 48,1500nm splitting optical fiber circle, 49,532nm output optical fibre, 50,532nm splitting optical fiber
Circle, 51,3-stage optical fiber structure.
Detailed description of the invention:
465nm four-wave mixing periodically poled lithium niobate laserresonator 38 is set, 1500nm beam splitting light is set
Fine circle 48, arranges 1064nm splitting optical fiber circle, arranges 532nm splitting optical fiber circle, arrange flashlight 465nm,
The period polarized niobium of four-wave mixing is there is in ideler frequency light 1500nm, pump light I 1064nm with pump light II 532nm
The structure of acid lithium laserresonator 38, at 465nm four-wave mixing periodically poled lithium niobate laserresonator 38
Outfan arranges 465nm and focuses on output coupling mirror 42 coupling access 465nm output optical fibre 43, at 1500nm
The rear of output optical fibre 26 arranges 1500nm splitting optical fiber circle 48, arranges 1500nm splitting optical fiber circle 48
1500nm laser output optical fibre 46, the rear at 1064nm output optical fibre 13 arranges 1064nm splitting optical fiber
Circle 47, arranges the 1064nm laser output 45 of 1064nm splitting optical fiber circle 47, ideler frequency light 1500nm,
Pump light I 1064nm and pump light II 532nm 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
13,532nm output optical fibre 19 couples access three wavelength parameter bonders 33 with 1500nm output optical fibre 26,
1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35,1500nm periodically poled lithium niobate are set
Laser parameter oscillating tank chamber 35 focuses on output coupling mirror 27 by the 1500nm of its outfan and is linked into
In 1500nm output optical fibre 26, the input in 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35
End is connected on 3-stage optical fiber outfan 36 by 3-stage optical fiber bonder 34, and 3-stage optical fiber outfan 36 is by three
The 3-stage optical fiber circle 25 of level optical fiber structure 49 is drawn；532nm frequency multiplication resonator cavity 24,532nm frequency multiplication are set
Resonator cavity 24 focuses on output coupling mirror 18 by the 532nm of its outfan and is linked into 532nm output optical fibre 19
In, 532nm 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；1500nm 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 and output
The 1500nm of end focuses on output coupling mirror, thus constitutes the vibration of 1500nm periodically poled lithium niobate laser parameter
Resonator cavity 35；532nm frequency multiplication resonator cavity 24 is set, sets gradually from its input: two grades input mirror 23,
1064nm basic frequency laser crystal 22,532nm frequency-doubling crystal 20,532nm outgoing mirror 21 and the 532nm of outfan
Focus on output coupling mirror 18, thus constitute 532nm frequency multiplication resonator cavity 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, arrange three grades
Optical fiber structure 49,3-stage optical fiber structure 49 is by one-level fiber turns 6, secondary light fibre circle 15 and 3-stage optical fiber circle
25 are integrally connected and form, and one-level fiber turns 6 is connected to semiconductor module 2 by 808nm pumping coupler 4
On, semiconductor module 2 is powered by semiconductor module block power supply 5, and above-mentioned whole optical elements are all arranged on optics
On track and light facility 1, optical rail and light facility 1 arrange fan 3, totally constitute 465nm, 532nm,
1064nm, 1500nm tetra-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 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 I 1064nm
There is four-wave mixing effect with pump light II 532nm, 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 1500nm splitting optical fiber circle 48 beam splitting output 1500nm laser that the rear of 1500nm output optical fibre 26 is arranged,
Exporting 1500nm through 1500nm laser output 46, the rear at 1064nm output optical fibre 13 is arranged
1064nm splitting optical fiber circle 47 beam splitting output 1064nm laser, exports 1064nm through outfan 45.
Claims (2)
1. medical 465nm, 532nm, 1064nm, 1500nm tetra-long wavelength fiber output laser, its
Being characterized as, arrange 1500nm splitting optical fiber circle at 1500nm output optical fibre rear, beam splitting one road 1500nm swashs
Light exports through 1500nm laser output, arranges 1064nm beam splitting light at 1064nm laser output optical fibre rear
Fine circle, beam splitting one road 1064nm laser exports through 1064nm laser output, exports light at 532nm laser
Fine rear arranges 532nm splitting optical fiber circle, and beam splitting one road 532nm laser exports through 532nm laser output,
Arrange flashlight 465nm, ideler frequency light 1500nm, pump light I 1064nm occur four with pump light II 532nm
The structure of the periodically poled lithium niobate laserresonator of wave mixing, it is defeated that four-wave mixing generates 465nm optical-fiber laser
Go out, constitute 465nm, 532nm, 1064nm, 1500nm tetra-long wavelength fiber output laser structure.
One the most according to claim 1 medical 465nm, 532nm, 1064nm, 1500nm tetra-wavelength
Optical fiber output laser, is characterized by, 1500nm splitting optical fiber circle beam splitting one road 1500nm laser exports,
The 1064nm laser output of 1064nm splitting optical fiber circle beam splitting one road, 532nm splitting optical fiber circle beam splitting one road 532nm
Laser exports, flashlight 465nm, ideler frequency light 1500nm, pump light I 1064nm and pump light II 532nm
Enter 465nm four-wave mixing periodically poled lithium niobate laserresonator, four-wave mixing effect occurs, generate letter
The output of number light 465nm laser, forms 465nm, 532nm, 1064nm, 1500nm tetra-long wavelength fiber laser defeated
Go out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530899.8A CN105896284A (en) | 2014-10-09 | 2014-10-09 | Medical 465nm, 532nm, 1064nm and 1500nm four-wavelength optical fiber output laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530899.8A CN105896284A (en) | 2014-10-09 | 2014-10-09 | Medical 465nm, 532nm, 1064nm and 1500nm four-wavelength optical fiber output laser |
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| Publication Number | Publication Date |
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| CN105896284A true CN105896284A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410530899.8A Pending CN105896284A (en) | 2014-10-09 | 2014-10-09 | Medical 465nm, 532nm, 1064nm and 1500nm four-wavelength optical fiber output laser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119271A (en) * | 2017-06-21 | 2017-09-01 | 江苏双阳机械科技有限公司 | A kind of industrial knife equipment laser new material cladding and precision heat treatment and heat-treating machine |
-
2014
- 2014-10-09 CN CN201410530899.8A patent/CN105896284A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119271A (en) * | 2017-06-21 | 2017-09-01 | 江苏双阳机械科技有限公司 | A kind of industrial knife equipment laser new material cladding and precision heat treatment and heat-treating machine |
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Application publication date: 20160824 |