CN101557072A - Laser resonant cavity with high power - Google Patents
Laser resonant cavity with high power Download PDFInfo
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- CN101557072A CN101557072A CNA2008100924818A CN200810092481A CN101557072A CN 101557072 A CN101557072 A CN 101557072A CN A2008100924818 A CNA2008100924818 A CN A2008100924818A CN 200810092481 A CN200810092481 A CN 200810092481A CN 101557072 A CN101557072 A CN 101557072A
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- mirror
- resonant cavity
- laser
- cylindricality
- speculum
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Abstract
The invention discloses a resonant cavity structure of a laser, which comprises a laser resonant cavity with a transverse flow or plate-shaped structure, wherein the laser resonant cavity consists of a reflecting mirror, an output mirror, a paraboloid and a hyperbolical surface. Rectangular laser beams are converted into dot laser beams by the focus of the paraboloid and the double curved surfaces for output.
Description
Technical field
The present invention relates to a kind of carbon dioxide laser and lamp light-pumped solid state laser resonant cavity, relate in particular to crossing current and the cavity resonator structure of diffusion cooled carbon dioxide laser and the cavity resonator structure of lamp light-pumped solid state laser.
Background technology
We know that the present representative of diffusion cooled carbon dioxide laser is--the diffusion cooled RF excitation carbon dioxide laser of Rofin, Rofin continuous wave 8KW diffusion cooled RF excitation carbon dioxide laser has been represented the top scientific and technological level of current diffusion cooled carbon dioxide laser, the plate shaped RF excited diffusion of Rofin cooled carbon dioxide laser, from the laser of resonant cavity output is the light wave of rectangle, make it to become the TEM of sub-circular through complicated shaping light path
00The mould waveform, and adjustment modes is relatively more difficult.
Summary of the invention
For addressing the above problem, the objective of the invention is to, the resonant cavity of a kind of slab construction diffusion cooling or cross-flow laser is provided, make the continuous wave laser power of laser reach 10KW or more than, can solve slab construction diffusion cooling or cross-flow laser needs complicated rectangle to change the problem of circular light path and mode transfer difficulty; In addition, dull and stereotyped light channel structure is applied to double lamp pumped solid state laser, can make full use of the light that lamp sends and transfer laser to, has also promptly solved the low problem of light light conversion efficiency of solid state laser.
A kind of high power laser resonant cavity, it is characterized in that: between the speculum of resonant cavity and outgoing mirror, increase: parabola and hyperboloid, described outgoing mirror is installed on the axis on described parabolic summit, described hyperboloid is installed on the described paraboloidal focus, described speculum is a completely reflecting mirror, and described outgoing mirror is a half-reflecting mirror, and described parabola is a completely reflecting mirror, described hyperboloid is a completely reflecting mirror, and the described bi-curved back side is completely reflecting mirror and the light that reflects described reflection mirror.
Provided by the invention based on above-mentioned device, it is characterized in that: described parabola makes the internal reflection taper seat into, described hyperboloid changes the external reflectance taper seat into, described outgoing mirror is installed on the internal reflection taper seat axis, and removes the cone part of the outside that the outgoing mirror at resonant cavity connects in order to avoid stop laser beam.
Provided by the invention based on above-mentioned device, it is characterized in that: the plane of and resonator axis parallel with two, with the speculum of described resonant cavity, parabola, hyperboloid and outgoing mirror cutting and with the axis symmetry, make described resonant cavity become segment, make it to be applicable to slab construction diffusion cooling or crossflow CO 2 laser and double lamp pumped same body laser.
Provided by the invention based on above-mentioned device, it is characterized in that: described speculum is a concave mirror, and described outgoing mirror is a concave mirror, and the described bi-curved back side is convex mirror.
Provided by the invention based on above-mentioned device, it is characterized in that: described speculum is a concave spherical mirror, and described outgoing mirror is a concave spherical mirror, and the described bi-curved back side is protruding spherical mirror.
Provided by the invention based on above-mentioned device, it is characterized in that: described speculum is the concave plane mirror, and described outgoing mirror is the concave plane mirror, and the described bi-curved back side is protruding cylindrical mirror.
Provided by the invention based on above-mentioned device, it is characterized in that: described optical cavity makes the solid resonant cavity into, optical axis direction at described resonant cavity upper and lower surface is installed the cylindricality parabola, and the paraboloidal focal line of cylindricality is parallel with optical axis, the cylindricality pumping lamp is installed on the paraboloidal focal line of described cylindricality, the paraboloidal reflection of light process cylindricality that described cylindricality pumping lamp is penetrated becomes pair of parallel light and injects generation laser in the solid resonant cavity.
Description of drawings
The following drawings helps the detailed the present invention that understands, but only is to explain for example, should not be understood that limitation of the present invention.
Fig. 1 is first embodiment cross-sectional view of device of the present invention;
Fig. 2 is second embodiment cross-sectional view of device of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in detail.Following explanation will help those skilled in the art better to understand other advantages of the present invention, purpose and feature.
At first introduce first embodiment of device of the present invention, with reference to figure 1.A kind of high power laser resonant cavity 1 shown in Figure 1 is used for outgoing laser beam, and this device 1 mainly comprises: by speculum 11, outgoing mirror 12, and parabolic (or internal conical surface) 13 and hyperboloid (or outer conical surface) 14.
Shown in Figure 1, device 1 is formed laserresonator by speculum 11 and outgoing mirror 12, between described resonant cavity, increase parabolic (or internal conical surface) 13 and hyperboloid (or outer conical surface) 14, internal reflector 13 by described parabola (or internal conical surface) composition, reflection also focuses on the described paraboloidal focus (or internal conical surface), by external mirror 14 reflection and the output point laser beams that the hyperboloid that is in parabolic 13 focuses (or outer conical surface) 14 is formed, the back side of described hyperboloid (or outer conical surface) 14 is completely reflecting mirror and reflects the light that described speculum 11 is penetrated.
Second embodiment of device of the present invention is with reference to figure 2.A kind of resonant cavity of solid state laser device 2 shown in Figure 2, be used for outgoing laser beam, device 2 is in the light path that increases pumping lamp on the basis of device 1: on/following cylindricality parabola 21, on/following cylindricality pumping lamp 22, the light that is in the described cylindricality pumping lamp 22 on the focal line is mapped in the solid resonant cavity 1 by being reflected into of described cylindricality parabola 21, makes described solid resonant cavity 1 produce laser beam.
The described device 2 resonant cavity light path principles of Fig. 2 are identical with Fig. 1 device 1, and are described with reference to figure 1.
Claims (7)
1, a kind of high power laser resonant cavity, it is characterized in that: between the speculum of resonant cavity and outgoing mirror, increase: parabola and hyperboloid, described outgoing mirror is installed on the axis on described parabolic summit, described hyperboloid is installed on the described paraboloidal focus, described speculum is a completely reflecting mirror, and described outgoing mirror is a half-reflecting mirror, and described parabola is a completely reflecting mirror, described hyperboloid is a completely reflecting mirror, and the described bi-curved back side is completely reflecting mirror and the light that reflects described reflection mirror.
2, device according to claim 1, it is characterized in that: described parabola makes the internal reflection taper seat into, described hyperboloid changes the external reflectance taper seat into, described outgoing mirror is installed on the internal reflection taper seat axis, and removes the cone part of the outside that the outgoing mirror at resonant cavity connects in order to avoid stop laser beam.
3, device according to claim 1 and 2, it is characterized in that: the plane of and resonator axis parallel with two, with the speculum of described resonant cavity, parabola, hyperboloid and outgoing mirror cutting and with the axis symmetry, make described resonant cavity become segment, make it to be applicable to slab construction diffusion cooling or crossflow CO 2 laser and double lamp pumped solid state laser.
4, according to claim 1 or 2 or 3 described devices, it is characterized in that: described speculum is a concave mirror, and described outgoing mirror is a concave mirror, and the described bi-curved back side is convex mirror.
5, according to claim 1 or 2 or 3 described devices, it is characterized in that: described speculum is a concave spherical mirror, and described outgoing mirror is a concave spherical mirror, and the described bi-curved back side is protruding spherical mirror.
6, device according to claim 3 is characterized in that: described speculum is the concave plane mirror, and described outgoing mirror is the concave plane mirror, and the described bi-curved back side is protruding cylindrical mirror.
7, according to claim 3 or 4 or 5 or 6 described devices, it is characterized in that: described optical cavity makes the solid resonant cavity into, optical axis direction at described resonant cavity upper and lower surface is installed the cylindricality parabola, and the paraboloidal focal line of cylindricality is parallel with optical axis, the cylindricality pumping lamp is installed on the paraboloidal focal line of described cylindricality, the paraboloidal reflection of light process cylindricality that described cylindricality pumping lamp is penetrated becomes pair of parallel light and injects generation laser in the solid resonant cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100924818A CN101557072A (en) | 2008-04-09 | 2008-04-09 | Laser resonant cavity with high power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100924818A CN101557072A (en) | 2008-04-09 | 2008-04-09 | Laser resonant cavity with high power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101557072A true CN101557072A (en) | 2009-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100924818A Pending CN101557072A (en) | 2008-04-09 | 2008-04-09 | Laser resonant cavity with high power |
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| CN (1) | CN101557072A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593698A (en) * | 2012-03-07 | 2012-07-18 | 华中科技大学 | Laser resonant cavity with pan-shaped mirror surface |
| CN109462137A (en) * | 2018-12-12 | 2019-03-12 | 华中科技大学 | One kind picosecond terawatt (TW) CO2Laser amplifier pump arrangement |
-
2008
- 2008-04-09 CN CNA2008100924818A patent/CN101557072A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593698A (en) * | 2012-03-07 | 2012-07-18 | 华中科技大学 | Laser resonant cavity with pan-shaped mirror surface |
| CN102593698B (en) * | 2012-03-07 | 2014-01-08 | 华中科技大学 | Laser resonant cavity with pan-shaped mirror surface |
| CN109462137A (en) * | 2018-12-12 | 2019-03-12 | 华中科技大学 | One kind picosecond terawatt (TW) CO2Laser amplifier pump arrangement |
| CN109462137B (en) * | 2018-12-12 | 2019-10-08 | 华中科技大学 | One kind picosecond terawatt (TW) CO2Laser amplifier pump arrangement |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20091014 |