CN107611763A - One kind is based on period polarized Nd:MgO:LiNbO3Crystal from optical parameter oscillating laser - Google Patents
One kind is based on period polarized Nd:MgO:LiNbO3Crystal from optical parameter oscillating laser Download PDFInfo
- Publication number
- CN107611763A CN107611763A CN201710971351.0A CN201710971351A CN107611763A CN 107611763 A CN107611763 A CN 107611763A CN 201710971351 A CN201710971351 A CN 201710971351A CN 107611763 A CN107611763 A CN 107611763A
- Authority
- CN
- China
- Prior art keywords
- crystal
- laser
- light
- mgo
- linbo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
One kind is based on period polarized Nd:MgO:LiNbO3Crystal from optical parameter oscillating laser, for the shortcomings of all solid state light parametric laser is complicated, debugging maintenance is inconvenient at present, propose using there is laser and the period polarized Nd of nonlinear effect simultaneously:MgO:LiNbO3Crystal realizes the laser from optical parametric oscillation as laser and optical parameter medium.Period polarized Nd:MgO:LiNbO3Crystal is not only with laser characteristics but also with big effective nonlinear coefficient d33, carried out by Quasi phase matched process from optical parametric oscillation, realize that one piece of crystal directly produces parametric oscillation output.The laser has the advantage such as " one brilliant dual-purpose ", simple in construction, easy operation and maintenance.
Description
Technical field
The present invention relates to laser device technical field, utilizes period polarized Nd:MgO:LiNbO3Crystal is used as laser simultaneously
With nonlinear crystal, realize that it is exported from the laser of optical parametric oscillation.
Background technology
Optical parametric oscillation is to expand the important technical of optical maser wavelength.Domestic and international ripe optical parametric oscillation laser at present
Device is non-linear by second order OPO using KTP, KTA etc. as nonlinear crystal mainly using 1 micron of near-infrared laser as fundamental frequency light
Process, realize wavelength conversion and expansion.This just needs laser crystal and nonlinear crystal is separated so that laser structure
It is more complicated, it is difficult in maintenance.
The content of the invention
Present invention the shortcomings that be directed to current optical parameter oscillating laser and deficiency, propose using while there is laser and non-thread
The period polarized Nd of property effect:MgO:LiNbO3Crystal is realized from optical parametric oscillation laser as laser and optical parameter medium
Laser.
The technical scheme is that：One kind is based on period polarized Nd:MgO:LiNbO3Crystal swashs from optical parametric oscillation
Light device, including pumping source, nonlinear crystal resonant cavity, pumping source are located at outside resonator, and nonlinear crystal is located in resonator,
Characterized in that, described nonlinear crystal is period polarized Nd:MgO:LiNbO3Crystal, the crystal is along its optical parametric oscillation
Cut in phase matched direction.
Described optical parameter transfer process can use flashlight list resonance mode, can also use flashlight and ideler frequency light
Double resonance pattern.
Nd:MgO:LiNbO3It can be that single channel is period polarized or multichannel is all that the polarization cycle of crystal, which is set,
Phase polarizes.
Such as use flashlight list resonance mode, then described resonator by incident mirror and outgoing microscope group into incident mirror plating
To be plated with to pump light high transmission and to 1.08 microns and flashlight, the deielectric-coating of ideler frequency optical band high reflection, the outgoing mirror
To 1.08 microns and flashlight wave band high reflection and the deielectric-coating to ideler frequency optical band high transmission, period polarized Nd:MgO:
LiNbO3Crystal both ends polish, and are plated with to pump light and 1.08 microns and flashlight wave band, the high transmission of ideler frequency optical band
Deielectric-coating.
Such as use flashlight and ideler frequency light double resonance pattern, then described resonator by incident mirror with outgoing microscope group into, should
Incident mirror is plated with to pump light high transmission and to 1.08 microns and flashlight, the deielectric-coating of ideler frequency optical band high reflection, and this goes out
Penetrate the deielectric-coating that mirror is plated with to 1.08 microns of high reflections and passed through to flashlight wave band and ideler frequency light band part, the cycle pole
Change Nd:MgO:LiNbO3Crystal both ends polish, and are plated with to pump light and 1.08 microns and flashlight wave band, ideler frequency optical band
High transmission deielectric-coating.
In order to improve the peak power of laser and increase conversion efficiency, in resonator insert electric light, acousto-optic or by
Dynamic Q-switching device.
Described Nd:MgO:LiNbO3Crystal is cuboid, and its optical direction size is 20 ~ 50mm.
Described Nd:MgO:LiNbO3Crystal Nd particles doping concentration is 0.25at% ~ 5at%.
Described pumping source preferred semiconductor laser or xenon lamp.
It is provided by the invention that there is advantages below from optical parameter oscillating laser：
(1) it is compact-sized simple.The present invention instead of two pieces of previously used crystal by one piece of crystal, " one is brilliant dual-purpose ", complete machine
Compact-sized, resistance to foreign impacts ability is strong, has higher operation stability.
(2) debugging is simple.Only need to vertically inject pump light in crystal can obtain the output of optical parametric oscillation laser, without
Complexity regulation.
(3) cost is low.The present invention combines in laser and nonlinear effect crystal on one piece of crystal, reduces process,
Cost is reduced, is advantageous to industrialization.
The present invention is further described with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is the continuous from optical parameter oscillating laser schematic diagram of the present invention.
Fig. 2 is the tune Q of the present invention from optical parameter oscillating laser schematic diagram.
Embodiment
Embodiment 1
It is a kind of from optical parameter oscillating laser, including pumping source, nonlinear crystal resonant cavity referring to Fig. 1, the present invention.It is described non-
Linear crystal is period polarized Nd:MgO:LiNbO3Crystal 3, the crystal-cut direction is perpendicular to crystal c axle, Quasi phase matched
For e=e+e patterns, to utilize the maximum nonlinear factor d33 of lithium columbate crystal.Two surfaces polish before and after crystal, and are plated with pair
The deielectric-coating of 1.08 microns and 1.5 microns and 3.9 microns of high transmission.
Described Nd:MgO:LiNbO3Crystal is cuboid, and its optical direction size is 20 ~ 50mm, and width is 3 ~ 10
Mm, thickness are 2 ~ 10 mm, and polarization cycle takes 29.5 microns.
Described Nd:MgO:LiNbO3Crystal Nd particles doping concentration is 0.25at% ~ 5at%.
Referring to Fig. 1, described resonator is made up of incident mirror 4 and outgoing mirror 5, and the incident mirror 4 is plated with high to pump light saturating
Cross and to the deielectric-coating of 1.08 microns and 1.5 microns and 3.9 microns high reflections, the outgoing mirror 5 be plated with to 1.08 microns and
3.9 microns of high reflections and to 1.5 microns of highly transmissive deielectric-coating.Pumping source semiconductor laser 1 sends infrared 808 nm laser
The coupled system 2 of laser, is coupled to nonlinear crystal Nd:MgO:LiNbO3On, parametric oscillation, 3.9 microns of parameter signals occur
Light comes and goes vibration between incident mirror 4 and outgoing mirror 5, finally exports 1.5 microns of infrared lights 6.
Embodiment 2
Referring to Fig. 2, the embodiment is on the basis of first embodiment, and passive Q-adjusted device is inserted in resonator (can also be
Acousto-optic or electric-optically Q-switched device), to improve the peak power of laser, increase conversion efficiency.
The period polarized Nd that the present invention uses:MgO:LiNbO3Crystal is not only with laser characteristics but also with greatly effective non-thread
Property coefficient d33, realized by Quasi phase matched process from optical parametric oscillation, realize that one piece of crystal directly produces parametric oscillation output.
The laser has the advantage such as " one brilliant dual-purpose ", simple in construction, easy operation and maintenance.
Claims (9)
1. one kind is based on period polarized Nd:MgO:LiNbO3Crystal from optical parameter oscillating laser, it is including pumping source, non-linear
Crystal resonant cavity, pumping source are located at outside resonator, and nonlinear crystal is located in resonator, it is characterised in that described is non-thread
Property crystal is period polarized Nd:MgO:LiNbO3Crystal, the crystal are used as laser crystal and optical parameter conversion crystal simultaneously.
It is 2. according to claim 1 from light parametric laser, it is characterised in that optical parameter transfer process can use signal
Light list resonance mode, flashlight and ideler frequency light double resonance pattern can also be used.
It is 3. according to claim 1 from light parametric laser, it is characterised in that Nd:MgO:LiNbO3The polarization cycle of crystal
Setting can be that single channel is period polarized or multichannel is period polarized.
It is 4. according to claim 1 from light parametric laser, it is characterised in that as used flashlight list resonance mode, then
Described resonator is plated with to pump light high transmission by incident mirror and outgoing microscope group into, the incident mirror and to 1.08 microns and believed
Number light, the deielectric-coating of ideler frequency optical band high reflection, the outgoing mirror are plated with to 1.08 microns and flashlight wave band high reflection and right
The deielectric-coating of ideler frequency optical band high transmission, period polarized Nd:MgO:LiNbO3Crystal both ends polish, and be plated with to pump light and
1.08 microns and flashlight wave band, the high transmission deielectric-coating of ideler frequency optical band.
It is 5. according to claim 1 from light parametric laser, it is characterised in that as used flashlight and ideler frequency light double resonance
Pattern, then described resonator by incident mirror with outgoing microscope group into the incident mirror is plated with to pump light high transmission and micro- to 1.08
Rice and flashlight, the deielectric-coating of ideler frequency optical band high reflection, the outgoing mirror are plated with to 1.08 microns of high reflections and to signal
The deielectric-coating that optical band and ideler frequency light band part pass through, period polarized Nd:MgO:LiNbO3Crystal both ends polish, and are plated with
To pump light and 1.08 microns and flashlight wave band, the high transmission deielectric-coating of ideler frequency optical band.
It is 6. according to claim 1 from light parametric laser, it is characterised in that in order to improve the peak power of laser and
Increase conversion efficiency, electric light, acousto-optic or passive Q-adjusted device are inserted in resonator.
It is 7. according to claim 1 from light parametric laser, it is characterised in that described Nd:MgO:LiNbO3Crystal is length
Cube, its optical direction size are 20 ~ 50mm.
It is 8. according to claim 1 from light parametric laser, it is characterised in that described Nd:MgO:LiNbO3Crystal Nd grains
Sub- doping concentration is 0.25at% ~ 5at%.
It is 9. according to claim 1 from light parametric laser, it is characterised in that described pumping source preferred semiconductor laser
Device or xenon lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971351.0A CN107611763A (en) | 2017-10-18 | 2017-10-18 | One kind is based on period polarized Nd:MgO:LiNbO3Crystal from optical parameter oscillating laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971351.0A CN107611763A (en) | 2017-10-18 | 2017-10-18 | One kind is based on period polarized Nd:MgO:LiNbO3Crystal from optical parameter oscillating laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107611763A true CN107611763A (en) | 2018-01-19 |
Family
ID=61077634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710971351.0A Pending CN107611763A (en) | 2017-10-18 | 2017-10-18 | One kind is based on period polarized Nd:MgO:LiNbO3Crystal from optical parameter oscillating laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107611763A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061409A (en) * | 2019-05-08 | 2019-07-26 | 哈尔滨工业大学 | 10 μm of LONG WAVE INFRARED lasers of narrow linewidth |
| CN110165535A (en) * | 2019-07-18 | 2019-08-23 | 南京南智先进光电集成技术研究院有限公司 | A kind of optical parametric oscillator of profile pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237118A (en) * | 2007-01-30 | 2008-08-06 | 中国科学院福建物质结构研究所 | 1210nm optical parameter oscillator |
| CN102801096A (en) * | 2012-08-28 | 2012-11-28 | 青岛镭视光电科技有限公司 | Automatic optical parametric oscillation laser based on calcium oxoborate crystal |
| CN103843210A (en) * | 2011-02-14 | 2014-06-04 | Imra美国公司 | Compact, coherent, and high brightness light sources for the mid and far ir |
| CN204885812U (en) * | 2015-08-24 | 2015-12-16 | 山东大学 | Pulsed of transferring Q passively is from doubling of frequency green laser |
| CN105186273A (en) * | 2015-09-16 | 2015-12-23 | 山东大学 | Double-end-surface pumping optical parametric oscillator |
| CN106410582A (en) * | 2016-11-15 | 2017-02-15 | 厦门理工学院 | Shared chamber light parameter oscillator of human-eye safe wave-band continuous output |
-
2017
- 2017-10-18 CN CN201710971351.0A patent/CN107611763A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237118A (en) * | 2007-01-30 | 2008-08-06 | 中国科学院福建物质结构研究所 | 1210nm optical parameter oscillator |
| CN103843210A (en) * | 2011-02-14 | 2014-06-04 | Imra美国公司 | Compact, coherent, and high brightness light sources for the mid and far ir |
| CN102801096A (en) * | 2012-08-28 | 2012-11-28 | 青岛镭视光电科技有限公司 | Automatic optical parametric oscillation laser based on calcium oxoborate crystal |
| CN204885812U (en) * | 2015-08-24 | 2015-12-16 | 山东大学 | Pulsed of transferring Q passively is from doubling of frequency green laser |
| CN105186273A (en) * | 2015-09-16 | 2015-12-23 | 山东大学 | Double-end-surface pumping optical parametric oscillator |
| CN106410582A (en) * | 2016-11-15 | 2017-02-15 | 厦门理工学院 | Shared chamber light parameter oscillator of human-eye safe wave-band continuous output |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061409A (en) * | 2019-05-08 | 2019-07-26 | 哈尔滨工业大学 | 10 μm of LONG WAVE INFRARED lasers of narrow linewidth |
| CN110165535A (en) * | 2019-07-18 | 2019-08-23 | 南京南智先进光电集成技术研究院有限公司 | A kind of optical parametric oscillator of profile pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101335424A (en) | Polarization coupled parallel Q modulating solid laser | |
| CN106229806A (en) | The tunable alaxadrite laser of Raman gold-tinted pumping | |
| CN104852266A (en) | Intracavity-frequency-multiplication-optic-parameter-oscillator-based femto-second near-infrared laser light source and method | |
| CN103311782B (en) | Based on blue laser production method and the device of thulium-doped fiber laser quadruple | |
| CN103296570A (en) | Single longitudinal mode frequency-conversion all-solid-state laser based on non-planar ring cavity structure | |
| CN105186273B (en) | A kind of double-end pumping optical parametric oscillator | |
| CN103944040A (en) | Novel bicrystal tandem connection dual-wavelength laser | |
| CN105071214A (en) | Method for producing deep ultraviolet laser light through visible laser direct frequency conversion and all-solid-state deep ultraviolet laser | |
| CN103531996A (en) | Three-terminal output dual-wavelength laser | |
| CN107611763A (en) | One kind is based on period polarized Nd:MgO:LiNbO3Crystal from optical parameter oscillating laser | |
| CN204290022U (en) | Infrared two-chamber optical parametric oscillator in a kind of narrow linewidth high light beam quality | |
| CN102097737A (en) | High pulse repetition frequency ultra-short pulse laser method | |
| CN102074889B (en) | Single frequency visible laser | |
| CN101132099A (en) | Device of continuous 447nm blue laser and method for obtain the same | |
| CN204885812U (en) | Pulsed of transferring Q passively is from doubling of frequency green laser | |
| CN102468600B (en) | A kind of novel cross-polarization dual laser | |
| CN101330193A (en) | Single longitudinal mode laser | |
| CN204290023U (en) | Infrared intra-cavity optical parametric oscillator during a kind of miniaturized wide spectral is tunable | |
| CN101345389B (en) | Full-solid state five-wavelength simultaneously outputting laser device and 5-wavelength laser generation method | |
| CN104409961A (en) | 2-micron laser device enabling linearly polarized output | |
| CN106410582A (en) | Shared chamber light parameter oscillator of human-eye safe wave-band continuous output | |
| CN203895739U (en) | Device used for generating high-mean-power quasi-continuous pulse green laser | |
| CN104300355A (en) | Optical parametric oscillation laser device based on lanthanum gallium silicate crystal | |
| CN202513438U (en) | Large power all solid state ultraviolet laser apparatus | |
| CN104409957A (en) | Narrow-linewidth 2-micron laser device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |
|
| RJ01 | Rejection of invention patent application after publication |