CN209249903U - A kind of mode of laser group - Google Patents
A kind of mode of laser group Download PDFInfo
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- CN209249903U CN209249903U CN201822186070.7U CN201822186070U CN209249903U CN 209249903 U CN209249903 U CN 209249903U CN 201822186070 U CN201822186070 U CN 201822186070U CN 209249903 U CN209249903 U CN 209249903U
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Abstract
The utility model discloses a kind of mode of laser groups, including shell, pedestal is provided in shell, laser light source and laser module are provided on pedestal, laser module constitutes laser resonator, outlet opening is provided on shell, outlet opening is equipped with light passing mirror, and the laser that laser light source generates is exported by laser module from light passing mirror.By laser crystal, nonlinear crystal, outgoing mirror and/or input mirror, fixation forms laser module to utility model on the base together; by the working performance for adjusting the position optimization mode of laser group of laser crystal and nonlinear crystal; thus it ensure that higher working performance while reducing the volume of mode of laser group; the utility model structure is simple simultaneously, is convenient for large-scale production.
Description
Technical field
The utility model relates to a kind of mode of laser groups, belong to laser technology field.
Background technique
With the development of electronic technology field, laser display is as a kind of good colorfulness and brightness uniformity of possessing
Technology, and so that it has been obtained further development in recent years by its higher service life and flexible screen size.It does not look over so as to check
Preceding light source only has red blue dichromatism laser to possess more mature technology, and existing green semiconductor laser light resource is also far not
It is able to satisfy the standard that laser television is shown.Although the technology achieves certain development, it is in mass production and business
Change application above to need to be pushed further into.And the main representative of gas laser has argon ion gas laser and copper vapor laser
Device, although can reach the power of hectowatt magnitude, its is bulky, structure is complicated, is not easy to large-scale production.
Utility model content
The utility model provides a kind of mode of laser group, solves that conventional laser equipment volume is huge, structure is complicated, inconvenient
In the large-scale production the problem of.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the utility model is
A kind of mode of laser group, including shell are provided with pedestal in shell, are provided with laser light source and mode of laser on pedestal
Block, laser module constitute laser resonator, are provided with outlet opening on shell, outlet opening is equipped with light passing mirror, laser light source
The laser of generation is exported by laser module from light passing mirror.
Laser module includes pedestal, and laser crystal, nonlinear crystal and outgoing mirror are provided on pedestal, along the propagation of laser
Direction, laser crystal, nonlinear crystal and outgoing mirror are arranged successively.
The front surface of laser crystal is successively coated with anti-reflection film and two layers of Anti-reflective coating, and it is anti-that the front surface of outgoing mirror is successively coated with increasing
Film and anti-reflection film.
Laser module includes pedestal, input mirror, laser crystal and nonlinear crystal is provided on pedestal, along the propagation of laser
Direction, input mirror, laser crystal and nonlinear crystal are arranged successively.
The front surface of input mirror is successively coated with anti-reflection film and two layers of Anti-reflective coating, and the rear surface of nonlinear crystal is successively coated with increasing
Anti- film and anti-reflection film.
Laser module includes pedestal, input mirror, laser crystal, nonlinear crystal and outgoing mirror is provided on pedestal, along sharp
The direction of propagation of light, input mirror, laser crystal, nonlinear crystal and outgoing mirror are arranged successively.
The rear surface of input mirror is successively coated with anti-reflection film and two layers of Anti-reflective coating, and the front surface of outgoing mirror is successively coated with Anti-reflective coating
And anti-reflection film.
Position line is provided on pedestal.
Pedestal is L-shaped, and laser light source is arranged on the side wall of vertical section, and laser module is arranged on the top surface of traversing section.
The utility model it is achieved the utility model has the advantages that the utility model by laser crystal, nonlinear crystal, outgoing mirror and/
Or fixation forms laser module to input mirror on the base together, the position optimization by adjusting laser crystal and nonlinear crystal swashs
The working performance of optical mode group, thus ensure that higher working performance, while this reality while reducing the volume of mode of laser group
It is simple with new structure, it is convenient for large-scale production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the first structure chart of laser module；
Fig. 3 is second of structure chart of laser module.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
As shown in Figure 1, a kind of mode of laser group, including shell 2, it is provided with pedestal 1 in shell 2, is provided with laser on pedestal 1
Light source 3 and laser module 4, laser module 4 constitute laser resonator, are provided with outlet opening on shell 2, outlet opening is equipped with
Light passing mirror 5, the laser that laser light source 3 generates are exported by laser module 4 from light passing mirror 5.
Shell 2 is rectangular housing, and shell 2 and pedestal 1 can be integrally formed, and is also possible to pedestal 1 and passes through welding or gluing
Mode be fixed in shell 2, pedestal 1 is generally set up directly on 2 bottom of chamber portion of inner housing, and pedestal 1 and shell 2 are all made of and lead
Hot material is provided with position line on pedestal 1, marks best between different components for the ease of the component on setting pedestal 1
Spacing.
Laser light source 3 and laser module 4 can weld or glued mode is fixed on pedestal 1, and gluing is led using organosilicon
Hot glue, epoxy resin AB glue, heat-conducting silicone grease etc. needs to carry out metalized to parts surface in advance according to welding, above-mentioned
L-shaped is arranged in pedestal 1, and laser light source 3 is arranged on the side wall of vertical section, is directed at laser module 4, and laser light source 3 can be half
Conductor laser, gas laser, solid state laser etc., laser module 4 are arranged on the top surface of traversing section.
Laser module 4 has following three kinds of structures:
The first structure is provided with laser crystal 7, non-linear on pedestal 6 as shown in Fig. 2, laser module 4 includes pedestal 6
Crystal 8 and outgoing mirror 9, along the direction of propagation of laser, laser crystal 7, nonlinear crystal 8 and outgoing mirror 9 are arranged successively, and laser is brilliant
Body 7, nonlinear crystal 8 and outgoing mirror 9 are arranged along straight line, and incident laser sequentially passes through laser crystal 7, nonlinear crystal
8 and outgoing mirror 9, nonlinear crystal 8 be located at beam diameter minimum, the front surface of laser crystal 7 is successively coated with anti-reflection film
(808nm) and two layers of Anti-reflective coating (internal layer 1064nm, outer layer 532nm), the front surface of outgoing mirror 9 is successively coated with Anti-reflective coating
(1064nm) and anti-reflection film (532nm).
Pedestal 6 is also that Heat Conduction Material is constituted, and opens up two U-shaped grooves on pedestal 6, laser crystal 7 and nonlinear crystal 8 are set
It sets in a U-shaped groove, convenient for adjusting spacing between the two, outgoing mirror 9 is arranged in another U-shaped groove, and laser is brilliant
Body 7, nonlinear crystal 8 and outgoing mirror 9 are all made of glued mode and fix.
Laser crystal 7 is Nd-doped yttrium vanadate (Nd:YVO4), neodymium-doped gadolinium vanadate (Nd:GdVO4) or neodymium-doped yttrium-aluminum garnet
(Nd:YAG), Nd in laser crystal 7+3The molecular percentage content of ion is 0.5% -3% according to different power requirements.Laser is brilliant
Body 7 has higher absorption coefficient and biggish stimulated emission cross section, makes with the cooperation of nonlinear crystal 8 with high nonlinear coefficient
With preferable frequency-doubling conversion efficiency can be obtained.
Nonlinear crystal 8 can use periodic polarized lithium niobate (PPLN) crystal, can adulterate one in lithium columbate crystal
The magnesia of content is determined to improve the photo-damage resistance of crystal, can also adulterate other common substances.Nonlinear crystal 8 may be used also
To be periodic polarized lithium tantalate (PPLT) crystal, periodic polarized near-stoichiometric lithium tantalate (PPSLT) crystal, period
Property polarization potassium titanyl phosphate (PPKTP) crystal, potassium titanyl phosphate (KTP) crystal, barium metaborate (BB0) crystal, bismuth borate
(BIBO) crystal or three lithium borates (LB0) crystal.
Outgoing mirror 9 can be concavees lens or plane mirror, and its primary optical axis need to be parallel with light source.
Second of structure is provided with input mirror 10, laser crystal on pedestal 6 as shown in figure 3, laser module 4 includes pedestal 6
7 and nonlinear crystal 8, along the direction of propagation of laser, inputs mirror 10, laser crystal 7 and nonlinear crystal 8 and be arranged successively, input
Mirror 10, laser crystal 7 and nonlinear crystal 8 are arranged along straight line, and incident laser sequentially passes through input mirror 10, laser crystal
7 and nonlinear crystal 8, nonlinear crystal 8 be located at beam diameter minimum, input mirror 10 front surface be successively coated with anti-reflection film
(808nm) and two layers of Anti-reflective coating (internal layer 1064nm, outer layer 532nm), it is anti-that the rear surface of nonlinear crystal 8 is successively coated with increasing
Film (1064nm) and anti-reflection film (532nm).
As in Fig. 2, input mirror 10 can be concavees lens for pedestal 6, laser crystal 7 and nonlinear crystal 8 in Fig. 3
Or plane mirror, and its primary optical axis need to be parallel with light source.
The third structure: laser module 4 includes pedestal 6, and input mirror 10, laser crystal 7, non-linear is provided on pedestal 6
Crystal 8 and outgoing mirror 9 input mirror 10, laser crystal 7, nonlinear crystal 8 and outgoing mirror 9 and successively arrange along the direction of propagation of laser
Column, input mirror 10, laser crystal 7, nonlinear crystal 8 and outgoing mirror 9 are arranged along straight line, and incident laser sequentially passes through defeated
Enter mirror 10, laser crystal 7, nonlinear crystal 8 and outgoing mirror 9, nonlinear crystal 8 is located at beam diameter minimum, inputs mirror 10
Rear surface be successively coated with anti-reflection film (808nm) and two layers of Anti-reflective coating (internal layer 1064nm, outer layer 532nm), outgoing mirror 9
Front surface is successively coated with Anti-reflective coating (1064nm) and anti-reflection film (532nm).
Above-mentioned three's structure, laser light source 3 are that laser crystal 7 provides excitation, the component in laser module 4 as pumping source
Resonant cavity is constituted, pump light enters intracavitary interact with laser crystal 7 and generates fundamental wave, fundamental wave and 8 phase of nonlinear crystal
Interaction generates frequency multiplication light output.Laser module 4 may include input mirror 10 and outgoing mirror 9, can also only include input mirror 10/
Outgoing mirror 9, when only including input mirror 10, the plated film of 8 rear surface of nonlinear crystal is equivalent to outgoing mirror 9, when only including output
When mirror 9, the plated film of 7 front surface of laser crystal is equivalent to input mirror 10.
The front surface of light passing mirror 5 is coated with 532nm anti-reflection film
Laser crystal 7, nonlinear crystal 8, outgoing mirror 9 and/or input mirror 10 are fixed on pedestal 6 by utility model together
Laser module 4 is formed, the working performance of the position optimization mode of laser group by adjusting laser crystal 7 and nonlinear crystal 8, thus
It ensure that higher working performance while reducing the volume of mode of laser group, while the utility model structure is simple, convenient for rule
Modelling production.
The utility model is not merely adapted to the frequency multiplication process (such as second-harmonic conversion) generated for green laser,
Apply also for the generation of the laser (such as blue light) of other nonlinear optical process (such as with frequency and frequency dividing) and other wavelength.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (9)
1. a kind of mode of laser group, it is characterised in that: including shell, pedestal is provided in shell, is provided with laser light source on pedestal
And laser module, laser module constitute laser resonator, are provided with outlet opening on shell, outlet opening is equipped with light passing mirror,
The laser that laser light source generates is exported by laser module from light passing mirror.
2. a kind of mode of laser group according to claim 1, it is characterised in that: laser module includes pedestal, is arranged on pedestal
Have laser crystal, nonlinear crystal and outgoing mirror, along the direction of propagation of laser, laser crystal, nonlinear crystal and outgoing mirror according to
Secondary arrangement.
3. a kind of mode of laser group according to claim 2, it is characterised in that: the front surface of laser crystal is successively coated with anti-reflection
Film and two layers of Anti-reflective coating, the front surface of outgoing mirror are successively coated with Anti-reflective coating and anti-reflection film.
4. a kind of mode of laser group according to claim 1, it is characterised in that: laser module includes pedestal, is arranged on pedestal
Have input mirror, laser crystal and nonlinear crystal, along the direction of propagation of laser, input mirror, laser crystal and nonlinear crystal according to
Secondary arrangement.
5. a kind of mode of laser group according to claim 4, it is characterised in that: the front surface for inputting mirror is successively coated with anti-reflection film
Anti-reflective coating and anti-reflection film are successively coated with the rear surface of two layers of Anti-reflective coating, nonlinear crystal.
6. a kind of mode of laser group according to claim 1, it is characterised in that: laser module includes pedestal, is arranged on pedestal
There are input mirror, laser crystal, nonlinear crystal and outgoing mirror, along the direction of propagation of laser, inputs mirror, laser crystal, non-linear
Crystal and outgoing mirror are arranged successively.
7. a kind of mode of laser group according to claim 6, it is characterised in that: the rear surface for inputting mirror is successively coated with anti-reflection film
Anti-reflective coating and anti-reflection film are successively coated with the front surface of two layers of Anti-reflective coating, outgoing mirror.
8. a kind of mode of laser group according to claim 1, it is characterised in that: be provided with position line on pedestal.
9. a kind of mode of laser group according to claim 1, it is characterised in that: pedestal is L-shaped, and laser light source is arranged vertical
On the side wall of section, laser module is arranged on the top surface of traversing section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186070.7U CN209249903U (en) | 2018-12-20 | 2018-12-20 | A kind of mode of laser group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186070.7U CN209249903U (en) | 2018-12-20 | 2018-12-20 | A kind of mode of laser group |
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| Publication Number | Publication Date |
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| CN209249903U true CN209249903U (en) | 2019-08-13 |
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| CN201822186070.7U Active CN209249903U (en) | 2018-12-20 | 2018-12-20 | A kind of mode of laser group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616865A (en) * | 2018-12-20 | 2019-04-12 | 昆山衍迪激光科技有限公司 | A kind of mode of laser group |
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2018
- 2018-12-20 CN CN201822186070.7U patent/CN209249903U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616865A (en) * | 2018-12-20 | 2019-04-12 | 昆山衍迪激光科技有限公司 | A kind of mode of laser group |
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