CN202034672U - Resonant cavity structure for side-surface pumping solid laser - Google Patents
Resonant cavity structure for side-surface pumping solid laser Download PDFInfo
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- CN202034672U CN202034672U CN2011201489110U CN201120148911U CN202034672U CN 202034672 U CN202034672 U CN 202034672U CN 2011201489110 U CN2011201489110 U CN 2011201489110U CN 201120148911 U CN201120148911 U CN 201120148911U CN 202034672 U CN202034672 U CN 202034672U
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- pole
- slide block
- link plate
- hole
- solid laser
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Abstract
The utility model discloses a resonant cavity structure applicable to a side-surface pumping solid laser, mainly comprising a supporting rod, a supporting rod fixing rack, a fixed bracket and/or an elastic bracket, a hanging plate, a hanging plate sliding block, and a reflector sliding block, wherein the supporting rod passes through the supporting rod fixing rack; a reflector sliding block passes through the supporting rod; the reflector is arranged on the reflector sliding block; the hanging plate sliding block passes through the supporting rod; a hanging plate is arranged on the hanging plate sliding block; the fixed bracket and/or the elastic bracket are/is arranged on the supporting rod; the hanging plate is also fixed on the fixed bracket and/or the elastic bracket; and a laser condensation cavity is arranged on the hanging plate. The resonant cavity structure has stable design and is less influenced by the environmental temperature and the environmental vibration.
Description
Technical field
The utility model relates to a kind of laser structure, particularly a kind of mechanical structure that is applicable to side pumped solid laser device resonant cavity.
Background technology
The stable of laserresonator depended in the stable output of laser beam, and promptly two laser mirrors and laser bar is relatively stable.The optically focused cavity of present most of side pumped solid laser device, front mirror, back mirror all are directly to be fixed on large-scale aluminium or the aluminum alloy bottom plate, yet in the environment of actual industrial processing, because environment for use is more abominable, circumstance of temperature difference changes and laser changes at the cavity temperature that the different operating state is caused, add the big thermal coefficient of expansion of common metal material in the laser equipment, cause the mechanical deformation of resonant cavity cavity big.The thermal deformation of each component of machine makes the small skew of relative position generation of optically focused cavity, front mirror and back mirror all can cause the laser resonance imbalance relatively more responsive to mechanical location in the cavity, further cause laser beam output unstable, when serious even can not export problem such as laser.In order to make the output laser stabilization, the structure of resonant cavity should guarantee to have accurate and firm location between the optical element, and structure should be insensitive to variations in temperature and extraneous vibration.Therefore, must improve the design of conventional laser understructure.
The utility model content
The purpose of this utility model provides a kind of side pumped solid laser device cavity resonator structure, and its design is firm, is subjected to the vibration effect in the ambient temperature and the external world all smaller, is widely used in side solid pump laser resonant cavity.
In order to achieve the above object, the utility model is realized by following technical scheme.
A kind of side pumped solid laser device cavity resonator structure, mainly comprise pole, strut fixation frame, fixed support and/or elastic support, link plate, link plate slide block, speculum slide block, it is characterized in that: described pole is located in the strut fixation frame, the speculum slide block is located on the pole, speculum is located on the speculum slide block, the link plate slide block is located on the pole, and link plate is located on the link plate slide block; Described fixed support and/or elastic support are located on the pole, and link plate also is fixed on fixed support and/or the elastic support, and the laser focusing cavity is located on the link plate.
Described pole is adopted the lower invar of thermal coefficient of expansion.
Described strut fixation frame is L type, U type or ∏ type.
Described strut fixation is set up and the suitable hole of rod-shape, and the side in hole is provided with and tightens up the pole that screw will be arranged in the hole and tighten up.
Described speculum slide block is provided with and the suitable hole of rod-shape, and the side in hole is provided with and tightens up the pole that screw will be arranged in the hole and tighten up.
Described link plate slide block is provided with and the suitable hole of rod-shape, and the side in hole is provided with and tightens up the pole that screw will be arranged in the hole and tighten up.
Described elastic support is provided with the elasticity groove.
The utility model beneficial effect is, guarantees the stability of resonant cavity to reduce the influence of base plate mechanical deformation to resonant cavity by the mode that adopts flexibly jointed chain by pole and low thermal coefficient of expansion material.Its design is firm, is subjected to the vibration effect in the ambient temperature and the external world all smaller, is widely used in side solid pump laser resonant cavity.
Description of drawings
Fig. 1 is the textural association figure of present embodiment
Fig. 2 is present embodiment bridge textural association figure
Fig. 3 is a present embodiment elastic support structure enlarged drawing
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is done to describe in further detail.
Embodiment
As Fig. 1, Fig. 2, a kind of side pumped solid laser device cavity resonator structure shown in Figure 3, mainly comprise three poles 101,102,103,142, one elastic supports 141 of 111,112,113, one fixed supports of three strut fixation framves, link plate 151, link plate 152, the link plate slide block 131,132 of link plate 151, the link plate slide block 133,134 of link plate 152, front mirror slide block 121, back mirror slide block 122.Three poles 101,102,103 of the present utility model laterally are located in three strut fixation framves 111,112,113, front mirror slide block 121, back mirror slide block 122 are located on the pole 102,103, front mirror is located on the front mirror slide block 121, back mirror is located on the back mirror slide block 122, link plate slide block 131,132,133,134 is located on the pole 102,103, link plate 151 is located on the link plate slide block 131,132, and link plate 152 is located on the link plate slide block 133,134; Fixed support 142 of the present utility model, elastic support 141 are located on the pole 102,103, link plate 152 also is fixed on the fixed support 142, link plate 151 also is fixed on the elastic support 141, the laser focusing cavity is located on the link plate, the laser focusing cavity also is fixed on the base plate of machine, and total is hung the mechanical structure of forming a side pumped solid laser device resonant cavity on base plate by link plate then.Said structure is fixed on link plate on fixed support 142, the elastic support 141 and hangs over then in the air, structure directly contacting metal sheet material and hanging over help each parts in the structure have balance in air isothermal heat conduction in the air.Pole 101,102,103 of the present utility model is adopted the lower invar of thermal coefficient of expansion, invar promptly contains ferroalloy or carbon fibre material and other low thermal expansion material of 36% nickel, general thermal coefficient of expansion is the invar of 1.1 * 10-6/ ℃ of magnitude, its thermal coefficient of expansion only is 1/20 of an aluminium approximately, 1/12 of steel, the thermal deformation that when having significantly reduced variation of ambient temperature whole cavity resonator structure has been caused.
A kind of side pumped solid laser device cavity resonator structure as shown in Figure 1 and Figure 2, strut fixation frame 111,112,113 of the present utility model is the L type, strut fixation frame 111,112,113 of the present utility model is provided with and the suitable hole of pole 101,102,103 shapes, and the side in hole is provided with and tightens up the pole 101,102,103 that screw will be arranged in the hole and tighten up.In the present embodiment, pole 101,102,103 is circular pole, and L type strut fixation frame 111,113 is located at pole 101,102,103 two ends, and L type strut fixation frame 112 forms a firm structure in the middle of being located at pole 101,102,103.
A kind of side pumped solid laser device cavity resonator structure as shown in Figure 1 and Figure 2, speculum slide block 121,122 of the present utility model also is provided with and the suitable hole of pole 102,103 shapes, and the side in hole is provided with and tightens up the pole 102,103 that screw will be arranged in the hole and tighten up.Link plate slide block 131,132,133,134 of the present utility model is provided with and the suitable hole of pole 102,103 shapes, and the side in hole is provided with and tightens up the pole 102,103 that screw will be arranged in the hole and tighten up.The utility model front mirror and back mirror adjustment are passed pole 102,103 in the mode of slide block 121,122 and are fixed tightly on the pole, front mirror and back mirror can be fixed tightly in pole arbitrarily on the position, can satisfy the resonant cavity chamber length of designer's design and the position of front and back speculum, have bigger flexibility and adaptive capacity.
As Fig. 1, a kind of side pumped solid laser device cavity resonator structure shown in Figure 3, elastic support 141 of the present utility model is provided with elasticity groove 161.On the one hand, the laser focusing cavity is fixed on fixed support 142 and/or the elastic support 141, heavy laser focusing cavity does not hang and structurally helps reducing the elastic deformation that the laser focusing cavity causes bridge.Symmetry has groove 161 on the elastic support 141 in the said structure, and its effect is equivalent to a flexure spring.Its advantage has: fixed support 142, elastic support 141 are to be fixed on the big sheet metal during use, the deformation quantity of sheet metal length direction is bigger during variation of ambient temperature, the flexible resilient structure of interconnect function will be out of shape at first and be reduced the influence of deformation to resonant cavity between base plate and L shaped laser framework, the direction of elastic support recessing limited the total system can only folk prescription to along the isometric expansion of optical axis direction, be minimum along the isometric expansion of optical axis direction to the transverse mode influence of resonant cavity.In addition, elastic support 141 is axially providing elastic space on the one hand, and very big rigidity is arranged on the other hand in the horizontal, does not allow resonant cavity laterally moving, to keep the stability of light beam parameters.This structure under the situation of stress relieved, can be recovered rapidly outside, unlike traditional slide construction, mechanical frictional force is arranged.
More than be the specific descriptions of a kind of execution mode of the utility model, certainly, can be for the side-pumped laser cavity resonator structure according to the physical device needs, slide block in pole can optionally increase and reduce, as in structure, increasing slide blocks such as transferring Q, polarization, diaphragm aperture, parallel beam expand device, also the proportional sizes that can restructure according to actual conditions is fixed in the laser equipment by different way.It is emphasized that: the utility model is not limited to the foregoing description, under the situation that does not break away from scope of the present utility model, can carry out various modifications thus, and for example, in the above-described embodiments, described pole can constitute " U " type or " ∏ " type with four.L type fixed mount can be selected set square or rectangular structure, and pole also can be selected other low thermal expansion material for use.The elastic support structure can adopt bearing arrangement or other flexure spring structure, and this all belongs within the protection range of the utility model patent.
Claims (7)
1. side pumped solid laser device cavity resonator structure, mainly comprise pole, strut fixation frame, fixed support and/or elastic support, link plate, link plate slide block, speculum slide block, it is characterized in that: described pole is located in the strut fixation frame, the speculum slide block is located on the pole, speculum is located on the speculum slide block, the link plate slide block is located on the pole, and link plate is located on the link plate slide block; Described fixed support and/or elastic support are located on the pole, and link plate also is fixed on fixed support and/or the elastic support, and the laser focusing cavity is located on the link plate.
2. side pumped solid laser device cavity resonator structure according to claim 1 is characterized in that: described pole is adopted the lower invar of thermal coefficient of expansion.
3. side pumped solid laser device cavity resonator structure according to claim 1 is characterized in that: described strut fixation frame is L type, U type or ∏ type.
4. side pumped solid laser device cavity resonator structure according to claim 1 is characterized in that: described strut fixation is set up and the suitable hole of rod-shape, and the side in hole is provided with and tightens up the pole that screw will be arranged in the hole and tighten up.
5. side pumped solid laser device cavity resonator structure according to claim 1 is characterized in that: described speculum slide block is provided with and the suitable hole of rod-shape, and the side in hole is provided with and tightens up the pole that screw will be arranged in the hole and tighten up.
6. side pumped solid laser device cavity resonator structure according to claim 1 is characterized in that: described link plate slide block is provided with and the suitable hole of rod-shape, and the side in hole is provided with and tightens up the pole that screw will be arranged in the hole and tighten up.
7. side pumped solid laser device cavity resonator structure according to claim 1, it is characterized in that: described elastic support is provided with the elasticity groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201489110U CN202034672U (en) | 2011-05-09 | 2011-05-09 | Resonant cavity structure for side-surface pumping solid laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201489110U CN202034672U (en) | 2011-05-09 | 2011-05-09 | Resonant cavity structure for side-surface pumping solid laser |
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| Publication Number | Publication Date |
|---|---|
| CN202034672U true CN202034672U (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201489110U Expired - Lifetime CN202034672U (en) | 2011-05-09 | 2011-05-09 | Resonant cavity structure for side-surface pumping solid laser |
Country Status (1)
| Country | Link |
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| CN (1) | CN202034672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780147A (en) * | 2011-05-09 | 2012-11-14 | 深圳市光大激光科技股份有限公司 | Resonant cavity structure for side-pumped solid-state laser |
-
2011
- 2011-05-09 CN CN2011201489110U patent/CN202034672U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780147A (en) * | 2011-05-09 | 2012-11-14 | 深圳市光大激光科技股份有限公司 | Resonant cavity structure for side-pumped solid-state laser |
| CN102780147B (en) * | 2011-05-09 | 2015-04-22 | 深圳市光大激光科技股份有限公司 | Resonant cavity structure for side-pumped solid-state laser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN LIGHTSTAR LASER TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN GUANGDA LASER TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 A, Fortune Plaza, Shennan Road, Shennan Road, Guangdong, Shenzhen, Futian District, 80PQR Patentee after: Shenzhen Lightstar Laser Technology Co., Ltd. Address before: 12M Qinghai Building No. 7043 Futian District North Road Shenzhen City, Guangdong province 518000 Patentee before: Shenzhen Guangda Leser Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20111109 Effective date of abandoning: 20150422 |