CN105490147A - 320nm and 1500nm dual-wavelength fiber output laser device for internet of things - Google Patents
320nm and 1500nm dual-wavelength fiber output laser device for internet of things Download PDFInfo
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- CN105490147A CN105490147A CN201410529284.3A CN201410529284A CN105490147A CN 105490147 A CN105490147 A CN 105490147A CN 201410529284 A CN201410529284 A CN 201410529284A CN 105490147 A CN105490147 A CN 105490147A
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Abstract
The invention provides a 320nm and 1500nm dual-wavelength fiber output laser device for the internet of things. A 320nm four-wave mixing periodically poled lithium niobate laser resonator is arranged; a 1500nm beam-splitting fiber coil is arranged at the tail segment of a 1500nm laser output fiber to split one path of 1500nm laser output; a 320nm signal beam, a 1500nm idler beam, a 1064nm pump beam I and a 660nm pump beam II enter the 320nm four-wave mixing periodically poled lithium niobate laser resonator to generate a four-wave mixing effect; a 320nm signal beam output is generated; and 320nm and 1500nm dual-wavelength fiber output is finally output.
Description
Technical field: laser and applied technical field.
Technical background:
320nm, 1500nm dual-wavelength laser, the laser applied for Internet of Things spectral detection, lasing light emitter, instrumental analysis etc., it can be used as Internet of Things optical fiber and passes the using light sources such as the analyzing and testing of 320nm, 1500nm dual wavelength sensor, and it is also for laser and optoelectronic areas such as Internet of Things optical communications; 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 Internet of Things 320nm, 1500nm dual-wavelength optical-fiber output laser, the periodically poled lithium niobate laserresonator of 320nm four wave mixing is set, at 1500nm Laser output optical fiber rear, 1500nm splitting optical fiber circle is set, beam splitting one road 1500nm Laser output, flashlight 320nm, ideler frequency light 1500nm, pump light I1064nm and pump light II660nm enter 320nm four wave mixing periodically poled lithium niobate laserresonator, there is four-wave mixing effect, produce flashlight 320nm to export, finally export 320nm, 1500nm dual-wavelength optical-fiber Laser output.
Scheme one, 320nmmmm 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 320nm, ideler frequency light 1500nm, pump light I1064nm and pump light II660nm, three-wavelength input mirror 39,320nm four wave mixing periodically poled lithium niobate laser crystal 40,320nm outgoing mirror 41,320nm focusing output coupling mirror 42,320nm focusing output coupling mirror 42 coupling access 320nm output optical fibre 43 is set gradually from its input.
Scheme two, 1500nm laser beam splitter fiber turns is set
1500nm splitting optical fiber circle is set at 1500nm Laser output optical fiber rear, beam splitting one road 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, focus on output coupling mirror with the 1500nm of output, form 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber thus.
Scheme four, 660nm laserresonator is set
660nm laserresonator is set, sets gradually from its input: secondary input mirror, 660nm basic frequency laser crystal, 660nm frequency-doubling crystal, 660nm outgoing mirror 21 focus on output coupling mirror with the 660nm of output, form 660nm laserresonator 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, enter frequency multiplication through 1500nm outgoing mirror and export 1500nm laser, focus on output coupling mirror through 1500nm to export, form 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber thus., 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 660nm laserresonator, 1319nm basic frequency laser crystal through 660nm laserresonator generates 1319nm fundamental frequency and exports 660nm laser through 660nm frequency-doubling crystal 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, 1500nm laser, 1064nm laser and 660nm laser are coupled into 320nm four wave mixing periodically poled lithium niobate laserresonator through three-wavelength parameter coupler, flashlight 320nm, ideler frequency light 1500nm, there is four-wave mixing effect in pump light I1064nm and pump light II660nm, flashlight 320nm is occurred, gain, flashlight 320nm focuses on output coupling mirror through 320nm and is coupled to 320nm output optical fibre, export 320nm Laser output, at 1500nm Laser output optical fiber rear, 1500nm splitting optical fiber circle is set, beam splitting one road 1500nm Laser output, finally export 320nm, 1500nm dual-wavelength optical-fiber Laser output.
Core content of the present invention:
A kind of Internet of Things 320nm, 1500nm dual-wavelength optical-fiber output laser, at 1500nm Laser output optical fiber rear, 1500nm splitting optical fiber circle is set, beam splitting one road 1500nm Laser output, there is the structure of the periodically poled lithium niobate laserresonator of four wave mixing in signalization light 320nm, ideler frequency light 1500nm, pump light I1064nm and pump light II660nm, four wave mixing generates 320nm optical-fiber laser and exports, and forms 320nm, 1500nm dual-wavelength optical-fiber output laser structure.
1500nm splitting optical fiber circle, beam splitting one road 1500nm Laser output, flashlight 320nm, ideler frequency light 1500nm, pump light I1064nm and pump light II660nm enter 320nm four wave mixing periodically poled lithium niobate laserresonator, there is four-wave mixing effect, generate flashlight 320nm Laser output, form 320nm, 1500nm dual-wavelength optical-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, 660nm basic frequency laser crystal, 23, secondary input mirror, 24, 660nm laserresonator, 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, 320nm four wave mixing periodically poled lithium niobate laserresonator, 39, three-wavelength input mirror, 40, 320nm four wave mixing periodically poled lithium niobate laser crystal, 41, 320nm outgoing mirror, 42, 320nm focuses on output coupling mirror, and 43, 320nm output optical fibre, 44, 320nm Laser output, 45, 1500nm output optical fibre, 46, 1500nm splitting optical fiber circle, 47, 3-stage optical fiber structure.
Embodiment:
320nm four wave mixing periodically poled lithium niobate laserresonator 38 is set, 1500nm splitting optical fiber circle 46 is set, signalization light 320nm is set, 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 II660nm, 320nm is set at 320nm four wave mixing periodically poled lithium niobate laserresonator 38 output and focuses on output coupling mirror 42 coupling access 320nm output optical fibre 43, at 1500nm Laser output optical fiber 26 rear, 1500nm splitting optical fiber circle 46 is set, beam splitting one road 1500nm Laser output, ideler frequency light 1500nm, 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 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 47, the structure of the periodically poled lithium niobate laserresonator 38 of signalization light 320nm four wave mixing, three-wavelength input mirror 39 is set gradually from its input, 320nm four wave mixing periodically poled lithium niobate laser crystal 40, 320nm outgoing mirror 41, 320nm focuses on output coupling mirror 42, 320nm focuses on output coupling mirror 42 coupling access 320nm output optical fibre 43, 660nm laserresonator 24 is set, 660nm laserresonator 24 focuses on output coupling mirror 18 by the 660nm of its output and is linked in 660nm output optical fibre 19, 660nm laserresonator 24 is connected on secondary fiber-optic output 16 by the secondary fiber coupler 17 of its input, secondary fiber-optic output 16 is drawn from the secondary fiber turns 15 of 3-stage optical fiber structure 47, 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 47, 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 is set, set gradually from its input: the 1500nm 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, output focuses on output coupling mirror 27, forms 1500nm periodically poled lithium niobate laser parameter oscillating tank chamber 35 thus, 660nm laserresonator 24 is set, set gradually from its input: secondary input mirror 23,1319nm basic frequency laser crystal 22,1319nm outgoing mirror 21,660nm frequency-doubling crystal 20 focus on output coupling mirror 18 with the 660nm of output, form 660nm laserresonator 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 47 is set, 3-stage optical fiber structure 47 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 320nm, 1500nm dual-wavelength optical-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 47, 808nm laser obtains gain in 3-stage optical fiber structure 47, 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, 1500nm laser is exported through frequency multiplication, 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 660nm laserresonator 24,1319nm basic frequency laser crystal 22 through 660nm laserresonator 24 generates 1319nm fundamental frequency, through 660nm frequency-doubling crystal 20, 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, 1500nm laser, 1064nm laser and 660nm laser are coupled into 320nm four wave mixing periodically poled lithium niobate laserresonator 38 through three-wavelength parameter coupler 33, flashlight 320nm, ideler frequency light 1500nm, there is four-wave mixing effect in pump light I1064nm and pump light II660nm, flashlight 320nm is occurred, gain, flashlight 320nm focuses on output coupling mirror 42 through 320nm and exports 320nm Laser output 44 with 320nm output optical fibre 43, at 1500nm Laser output optical fiber 27 rear, 1500nm splitting optical fiber circle 46 is set, beam splitting one road 1500nm Laser output.
Claims (2)
1. Internet of Things 320nm, 1500nm dual-wavelength optical-fiber output laser, it is characterized by, at 1500nm Laser output optical fiber rear, 1500nm splitting optical fiber circle is set, beam splitting one road 1500nm Laser output, there is the structure of the periodically poled lithium niobate laserresonator of four wave mixing in signalization light 320nm, ideler frequency light 1500nm, pump light I1064nm and pump light II660nm, four wave mixing generates 320nm optical-fiber laser and exports, and forms 320nm, 1500nm dual-wavelength optical-fiber output laser structure.
2. a kind of Internet of Things 320nm, 1500nm dual-wavelength optical-fiber output laser according to claim 1, it is characterized by, 1500nm splitting optical fiber circle, beam splitting one road 1500nm Laser output, flashlight 320nm, ideler frequency light 1500nm, pump light I1064nm and pump light II660nm enter 320nm four wave mixing periodically poled lithium niobate laserresonator, there is four-wave mixing effect, generate flashlight 320nm Laser output, form 320nm, 1500nm dual-wavelength optical-fiber Laser output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410529284.3A CN105490147A (en) | 2014-10-09 | 2014-10-09 | 320nm and 1500nm dual-wavelength fiber output laser device for internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410529284.3A CN105490147A (en) | 2014-10-09 | 2014-10-09 | 320nm and 1500nm dual-wavelength fiber output laser device for internet of things |
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| Publication Number | Publication Date |
|---|---|
| CN105490147A true CN105490147A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410529284.3A Pending CN105490147A (en) | 2014-10-09 | 2014-10-09 | 320nm and 1500nm dual-wavelength fiber output laser device for internet of things |
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| Country | Link |
|---|---|
| CN (1) | CN105490147A (en) |
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- 2014-10-09 CN CN201410529284.3A patent/CN105490147A/en active Pending
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Application publication date: 20160413 |
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| WD01 | Invention patent application deemed withdrawn after publication |