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CN-224217891-U - Compact laser module

CN224217891UCN 224217891 UCN224217891 UCN 224217891UCN-224217891-U

Abstract

The utility model relates to a compact laser module which comprises a resonant cavity shell, a pumping source and a cable flexible support piece, wherein the resonant cavity shell and the pumping source are connected through optical fibers, the cable flexible support piece is arranged between the resonant cavity shell and the pumping source, and the optical fibers are connected with the cable flexible support piece. According to the utility model, through the arrangement of the parts such as the rotation connecting part, the fixed connecting part and the flexible connecting part, the cable flexible supporting part can be bent through the matching relation among the three parts, namely, the cable flexible supporting part can be bent for one hundred eighty degrees at maximum, so that the pumping source can be arranged outside the resonant cavity shell, the situation that the optical fiber cannot be broken is ensured by supporting the optical fiber, and through the arrangement of the resonant cavity shell, the cover plate and the rotation connecting part, the effect that the cable flexible supporting part can rotate by taking the center of the movable groove as the center of a circle is realized, and the cable flexible supporting part is matched with the flexible connecting part, so that the position of the pumping source can be flexible and changeable.

Inventors

  • CHEN KAIFAN
  • HU JING
  • HUANG LIMING
  • WEN YONGKUO

Assignees

  • 深圳市东飞凌科技有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (9)

  1. 1. The compact laser module is characterized by comprising a resonant cavity shell (1), a pump source (2) and a cable flexible support; The resonant cavity shell (1) and the pump source (2) are connected with each other through optical fibers, a cable flexible support piece is arranged between the resonant cavity shell and the pump source, and the optical fibers are connected with the cable flexible support piece.
  2. 2. The compact laser module according to claim 1, characterized in that the resonator housing (1) is internally provided with a coupler (7), a total reflection mirror (8), a working medium (9), a q-switch (10) and an output mirror (11) in sequence between the light inlet and the light outlet.
  3. 3. The compact laser module according to claim 1, characterized in that a cover plate (3) is provided at one side of the light inlet of the resonator housing (1), the cover plate (3) comprises a plate body (31), a movable groove (33) and a communication hole (32) are respectively provided at one side of the plate body (31) facing the resonator housing (1) and one side facing away from the resonator housing (1), and an inner diameter of the movable groove (33) is larger than an inner diameter of the communication hole (32).
  4. 4. A compact laser module according to claim 3, characterized in that the cable flexible support comprises a rotation connection member (4) and a fixed connection member (5), the fixed connection member (5) is connected with a side surface of the output end of the pump source (2), the rotation connection member (4) is arranged between the resonant cavity housing (1) and the cover plate (3), penetrates the cover plate (3) and extends to the outside of the cover plate (3), and a flexible connection member (6) is arranged between the fixed connection member (5) and the rotation connection member (4).
  5. 5. The compact laser module as defined in claim 4, wherein the rotation connector (4) includes an annular plate (44) located inside the movable groove (33), the diameter of the annular plate (44) is larger than the inner diameter of the communication hole (32) and smaller than the inner diameter of the movable groove (33), a connecting rod (43) penetrating the communication hole (32) and extending to the outside of the communication hole (32) is provided on a side of the annular plate (44) facing away from the resonator housing (1), a connecting column (41) is provided on a side of the connecting rod (43) facing away from the resonator housing (1), and a first elastic clamp (42) is provided on a lower surface of the connecting column (41).
  6. 6. The compact laser module as claimed in claim 5, characterized in that the surface of the annular plate (44) is provided with a threaded hole, a fixing screw (45) is provided on the side of the annular plate (44) facing away from the resonator housing (1), and the fixing screw (45) penetrates the threaded hole while being in threaded connection with the threaded hole and is tightly attached to the surface of the resonator housing (1) facing the cover plate (3).
  7. 7. The compact laser module as claimed in claim 5, characterized in that the fixed connection (5) comprises a fixed column (51) arranged at the output side of the pump source (2), and the upper surface of the fixed column (51) is provided with a second elastic clamp (52).
  8. 8. The compact laser module as claimed in claim 7, wherein the flexible connection member (6) comprises a plurality of connection blocks (61), the plurality of connection blocks (61) are distributed in a circular equidistant manner along a semicircular path, inclined surfaces (62) are arranged at four corners of the connection blocks (61), side blocks (63) are arranged at two sides of the connection blocks, and two adjacent inclined surfaces (62) are closely attached.
  9. 9. The compact laser module as claimed in claim 8, wherein two adjacent side blocks (63) are connected by a connecting rope (65), both ends of the connecting rope (65) are respectively connected with a connecting column (41) and a fixing column (51), and a third elastic clamp (64) is arranged on one side of the connecting block (61) facing away from the center of the semicircular path.

Description

Compact laser module Technical Field The utility model relates to the technical field of lasers, in particular to a compact laser module. Background The laser is a device capable of reflecting laser, and is applied to various fields such as information scanning, optical fiber communication, laser ranging, laser radar, laser record, laser indicator, collection of supermarket, medical treatment and the like. The common laser comprises a pumping source, a resonant cavity, a working medium, a q-switch and other structures, wherein a total reflection mirror and an output reflection mirror are arranged in the resonant cavity, so that after light generated by the pumping source penetrates through the total reflection mirror and enters the resonant cavity, the light is reflected and strengthened by the mutual matching of the resonant cavity and the working medium and then irradiated out, and laser is formed; The pumping source of the laser is generally connected with the resonant cavity and other structures in two ways, one is that the pumping source is directly and fixedly connected with the resonant cavity shell, at the moment, the resonant cavity is directly and fixedly connected with the pumping source, the other pumping source is only connected with the resonant cavity through an optical fiber, and the shell of the pumping source is arranged outside the resonant cavity shell; The two modes have advantages and disadvantages, the first mode is more stable in use effect after connection, but the first mode is relatively large in size, a large enough installation space is needed to be reserved when the laser module is used, the installation process is not flexible enough, and the second mode is designed by adopting a separation type between the pump source and the resonant cavity shell, so that the pump source can be installed at other positions, the laser can be more flexible in installation, but the mode is easy to cause the situation that an optical fiber is bent or even broken, and the compact laser module is provided to solve the problems. Disclosure of utility model Based on the above description, the utility model provides a compact laser module to solve the problems that the existing two connection states of the laser are large in size and inconvenient to install and the optical fiber is easy to break when being bent in the installation process. The technical scheme for solving the technical problems is that the compact laser module comprises a resonant cavity shell, a pumping source and a cable flexible support piece; The resonant cavity shell and the pump source are connected with each other through optical fibers, and a cable flexible support piece is arranged between the resonant cavity shell and the pump source, and the optical fibers are connected with the cable flexible support piece. On the basis of the technical scheme, the utility model can be improved as follows. Further, a coupler, a total reflection mirror, a working medium, a q switch and an output reflection mirror which are positioned between the light inlet and the light outlet are sequentially arranged in the resonant cavity shell. Further, a cover plate is arranged on one side of the light inlet of the resonant cavity shell, the cover plate comprises a plate body, a movable groove and a communication hole are respectively arranged on one side of the resonant cavity shell and one side of the resonant cavity shell, which is away from the resonant cavity shell, and the inner diameter of the movable groove is larger than that of the communication hole. Further, the cable flexible support piece comprises a rotation connecting piece and a fixed connecting piece, wherein the fixed connecting piece is connected with one side surface of the output end of the pumping source, the rotation connecting piece is arranged between the resonant cavity shell and the cover plate, penetrates through the cover plate and extends to the outside of the cover plate, and a flexible connecting piece is arranged between the fixed connecting piece and the rotation connecting piece. Further, the rotation connecting piece is including being located the inside annular plate of movable groove, the diameter of annular plate is greater than the internal diameter of intercommunicating pore just is less than the internal diameter of movable groove, the annular plate deviates from one side of resonant cavity casing is provided with runs through the intercommunicating pore just extends to the outside connecting rod of intercommunicating pore, the connecting rod deviates from one side of resonant cavity casing is provided with the spliced pole, the lower surface of spliced pole is provided with first elasticity clamp. Further, the surface of annular plate is provided with the screw hole, the annular plate deviates from one side of resonant cavity casing is provided with set screw, set screw with screw hole threaded connection runs through the screw hole simultaneously, and with