CN218123956U - BBO electro-optical Q-switch - Google Patents
BBO electro-optical Q-switch Download PDFInfo
- Publication number
- CN218123956U CN218123956U CN202221895832.0U CN202221895832U CN218123956U CN 218123956 U CN218123956 U CN 218123956U CN 202221895832 U CN202221895832 U CN 202221895832U CN 218123956 U CN218123956 U CN 218123956U
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- adhesive tape
- electrode needle
- bbo
- bbo crystal
- conductive adhesive
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Abstract
The utility model relates to a BBO electro-optical Q switch, two sides all connect the copper billet through conductive adhesive about the BBO crystal, the inside rectangle cavity of seting up the BBO crystal that is used for placing the copper billet that is stained with of insulating casing, rectangle cavity left and right sides symmetry is provided with fixed adhesive tape hole, the downthehole fixed adhesive tape that has of fixed adhesive tape, set up conductive adhesive tape hole on the copper billet, the downthehole conductive adhesive tape that has, insulating casing upper portion is seted up and is fixed the neat electrode needle chamber in adhesive tape hole, the electrode needle intracavity is provided with the electrode needle, the bottom of electrode needle and the top contact of conductive adhesive tape. The utility model discloses use fixed adhesive tape to fix the BBO crystal in insulating casing, fixed adhesive tape adopts elastic material, and the elasticity coefficient is great, can not produce extrusion stress to the BBO crystal. The copper block has a certain thickness, and can play a certain role in heat dissipation while conducting electricity; the conductive adhesive has strong bonding force and can quickly transfer the heat generated by the BBO crystal to the copper block.
Description
Technical Field
The utility model relates to a laser device technical field especially relates to a BBO lightning transfer Q switch.
Background
Because of its good electro-optical performance, very wide light transmission range, very low absorption coefficient and weak piezoelectric ringing effect, the BBO crystal is often used in high repetition frequency and high power electro-optical Q-switch, all-solid-state picosecond and femtosecond regenerative amplification system.
The BBO electro-optic Q-switch design has several problems: firstly, the difficult growth of BBO crystal becomes the jumbo size, so the BBO crystal size that is used for transferring the Q switch through processing generally is all less, and crystal hardness is little moreover, and very little external force will bring the change for the inside optics homogeneity of BBO crystal, so can not directly be with external force effect on the crystal during fixed BBO crystal, otherwise can influence the inside optics homogeneity of crystal to influence its photoelectric properties, can fall crystal structure destruction even. Secondly, because BBO crystal is used in high frequency device, there is a small amount of heating phenomenon, so it is necessary to carry out certain heat dissipation to the crystal to prevent the crystal from deformation due to overheating and affecting its optical performance.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, a BBO electro-optic Q-switch is provided to solve the problems in the background art.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a BBO electro-optical Q switch, which comprises an insulating casing, still include the BBO crystal, two sides all connect the copper billet through electrically conductive adhesive about the BBO crystal, the inside rectangle cavity of seting up the BBO crystal that is used for placing and is stained with the copper billet, rectangle cavity left and right sides symmetry is provided with the fixed adhesive tape hole of perpendicular to terminal surface, the downthehole fixed adhesive tape that has of fixed adhesive tape, set up the electrically conductive adhesive tape hole on the copper billet, the downthehole electrically conductive adhesive tape that has, insulating casing upper portion is seted up and is fixed the aligned electrode needle chamber in adhesive tape hole, be provided with the electrode needle in the electrode needle chamber, the bottom of electrode needle and the top contact of electrically conductive adhesive tape.
As a further technical solution of the present invention: the size of the electrode needle cavity is smaller than that of the electrode needle, and the electrode needle cavity is in interference fit with the electrode needle.
As a further technical solution of the present invention: the size of the copper block is similar to the BBO crystal size.
As a further technical solution of the present invention: the fixed rubber strip has an elastic coefficient.
The utility model has the advantages that:
the utility model discloses use fixed adhesive tape to fix the BBO crystal in insulating casing, fixed adhesive tape adopts has elastic material, and the coefficient of elasticity is great, and fixed adhesive tape takes place to deform and fixes the BBO crystal, and can not produce extrusion stress to the BBO crystal.
The size of the copper block is similar to that of a BBO crystal, and the copper block has a certain thickness and can play a certain heat dissipation role while conducting electricity; the conductive adhesive has strong bonding force, can not fall off in the normal assembling process, has thin thickness, can transfer heat generated by the BBO crystal to the copper block quickly, and has good heat dissipation effect.
The utility model discloses the structure does not use accessories such as screw, and structural design is simple does not have redundant part, the volatility material of no, the environmental protection and the assembly of being convenient for.
Drawings
Fig. 1 is a schematic view of the main structure of the present invention.
In the figure: 1-insulating shell, 2-BBO crystal, 3-conductive adhesive, 4-copper block, 5-rectangular cavity, 6-fixed adhesive strip hole, 7-fixed adhesive strip, 8-conductive adhesive strip hole, 9-conductive adhesive strip, 10-electrode needle cavity and 11-electrode needle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a BBO electro-optic Q-switch includes an insulating housing 1, which is made of a hard material and has a small elastic deformation. Still include BBO crystal 2, two sides all bond copper billet 4 through conducting resin 3 about BBO crystal 2, and the size of copper billet 4 is close with BBO crystal 2 size, and copper billet 4 is as the conductor, can play electrically conductive effect, and it has certain thickness, also can play radiating effect simultaneously. Conductive adhesive 3 can be electrically conductive and have certain viscidity, can realize BBO crystal 2 and copper billet 4's electricity and be connected under the condition of not exerting external force to the crystal, and conductive adhesive 3 is very thin, and the heat that BBO crystal 2 produced is very easily conducted on copper billet 4.
A rectangular cavity 5 for placing the BBO crystal 2 adhered with the copper block 4 is formed in the insulating shell 1, and when the BBO crystal 2 is placed on the bottom plane of the rectangular cavity 5, the center of the BBO crystal 2 is located at the center of the insulating shell 1. 5 left and right sides symmetries of rectangle cavity are provided with the fixed adhesive tape hole 6 of perpendicular to terminal surface, there is fixed adhesive tape 7 in the fixed adhesive tape hole 6, fixed adhesive tape 7 and the interference fit of fixed adhesive tape hole 6, fixed adhesive tape 7 fixes BBO crystal 2 in insulating casing 4, fixed adhesive tape 7 has the coefficient of elasticity, and the coefficient of elasticity is great, pack into fixed adhesive tape 7 back in fixed adhesive tape hole 6, through the deformation that produces the 7 extrusion of fixed adhesive tape, can fix BBO crystal 2 wherein. Since this deformation is a deformation having a large elastic coefficient, the stress applied to BBO crystal 2 is small.
The copper block 4 is provided with a conductive adhesive tape hole 8, and the length of the conductive adhesive tape hole 8 is smaller than that of the copper block 4. A conductive adhesive tape 9 is arranged in the conductive adhesive tape hole 8, an electrode needle cavity 10 aligned with the fixed adhesive tape hole 6 is formed in the upper portion of the insulating shell 1, an electrode needle 11 is arranged in the electrode needle cavity 10, and the bottom of the electrode needle 11 is in contact with the top of the conductive adhesive tape 9. The conductive adhesive tape hole 8 is aligned with the electrode needle cavity 10, the conductive adhesive tape 9 can be plugged into the conductive adhesive tape hole 8 of the copper block 4, and the conductive adhesive tape 9 has a conductive function and has certain elasticity. Then, an electrode needle 11 is arranged in an electrode needle cavity 10 of the insulating shell 1, the size of the electrode needle cavity 10 is slightly smaller than that of the electrode needle 11, the insulating shell 1 is made of hard materials, elastic deformation is small, the electrode needle 11 can be firmly fixed in the insulating shell through interference fit, the bottom of the electrode needle 11 is in contact with the top of a conductive adhesive tape 9, and the conductive adhesive tape 9 generates elastic deformation and is fixed in a conductive adhesive tape hole 8 of the copper block 4. BBO crystal 2 is electrically conductive with copper billet 4, and copper billet 4 is electrically conductive with conducting strip 9, and conducting strip 9 is electrically conductive with electrode needle 11, so realized BBO crystal 2 and electrode needle 11 electrically conductive.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (4)
1. A BBO electro-optical Q-switch comprises an insulating shell (1), and is characterized in that: still include BBO crystal (2), two sides all bond copper billet (4) through conducting resin (3) about BBO crystal (2), insulating casing (1) is inside to be seted up and to be used for placing the rectangle cavity (5) that are glued BBO crystal (2) that have copper billet (4), both sides symmetry is provided with fixed adhesive tape hole (6) of perpendicular to terminal surface about rectangle cavity (5), there is fixed adhesive tape (7) in fixed adhesive tape hole (6), set up conducting resin strip hole (8) on copper billet (4), there is conducting resin strip (9) in conducting resin strip hole (8), electrode needle chamber (10) that align with conducting resin strip hole (8) are seted up on insulating casing (1) upper portion, be provided with electrode needle (11) in electrode needle chamber (10), the bottom of electrode needle (11) contacts with the top of conducting resin strip (9).
2. The BBO electro-optical Q-switch of claim 1, wherein: the size of the electrode needle cavity (10) is smaller than that of the electrode needle (11), and the electrode needle cavity (10) is in interference fit with the electrode needle (11).
3. The BBO electro-optical Q-switch of claim 1, wherein: the size of the copper block (4) is similar to that of the BBO crystal (2).
4. The BBO electro-optical Q-switch of claim 1, wherein: the fixing rubber strip (7) has an elastic coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221895832.0U CN218123956U (en) | 2022-07-22 | 2022-07-22 | BBO electro-optical Q-switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221895832.0U CN218123956U (en) | 2022-07-22 | 2022-07-22 | BBO electro-optical Q-switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218123956U true CN218123956U (en) | 2022-12-23 |
Family
ID=84521267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221895832.0U Active CN218123956U (en) | 2022-07-22 | 2022-07-22 | BBO electro-optical Q-switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218123956U (en) |
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2022
- 2022-07-22 CN CN202221895832.0U patent/CN218123956U/en active Active
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