Single-cavity double-loop Q-switched laser

By designing a single-cavity dual-loop Q-switched laser and utilizing structures such as optical polarizer adjustment frames and Q-switch adjustment frames, the problems of large and unstable structures in existing Q-switched lasers have been solved. This achieves efficient adjustment and stable output of laser energy, with a compact structure that is easy to install.

CN223567095UActive Publication Date: 2025-11-18XIAN TAIBO ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423123050.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-18
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

The quality of existing Q-switched lasers on the market varies greatly, and their large size affects their performance.

Method used

A single-cavity dual-loop Q-switched laser is designed. By setting up structures such as optical polarizer adjustment frame and Q-switch adjustment frame, the laser energy output is adjusted, making the overall structure compact, small in size, and easy to install.

Benefits of technology

It achieves efficient adjustment and stable output of laser energy, has a compact structure, small size, is easy to install, and improves usage efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of Q laser application, and particularly discloses a single-cavity double-loop Q-switched laser which comprises a bottom plate, a single-lamp double-rod light-gathering cavity is arranged at the upper end of the bottom plate, and an optical polaroid adjusting frame, a Q switch adjusting frame, a 12.5 optical lens adjusting frame and a 20 optical input lens adjusting frame are sequentially arranged on one side of the single-lamp double-rod light-gathering cavity. A 15 optical lens adjusting frame and a 20 optical turn-back lens adjusting frame are sequentially arranged on the other side of the single-lamp double-rod light-gathering cavity, a 20 optical backward-returning lens adjusting frame is arranged on the front side of the 20 optical turn-back lens adjusting frame, and an adjustable light barrier is arranged on the side, away from the 20 optical backward-returning lens adjusting frame, of the single-lamp double-rod light-gathering cavity. Through the arrangement of the light adjusting frame, the optical polaroid adjusting frame, the Q switch adjusting frame and the like on the two sides of the single-lamp double-rod light-gathering cavity, laser energy is adjusted and output, so that the whole structure is compact, the size is small, installation is convenient, stability is good, and use efficiency is high.
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Description

Technical Field

[0001] This utility model relates to the field of Q laser application technology, and in particular to a single-cavity dual-loop Q-switched laser. Background Technology

[0002] The application of Q-switched laser technology in cosmetic dermatology began in the 1990s. After years of development, it has formed a relatively complete theoretical system and clinical practice. Modern laser cosmetic instruments are diverse, including laser hair removal devices, laser freckle removal devices, and laser skin rejuvenation devices, each with its specific application scope and technical characteristics.

[0003] The market demand for Q-switched lasers is showing a rapid growth trend, with even stronger demand in some developing regions. Due to its non-invasive nature, high precision, and significant effects, Q-switched laser technology has been widely used and has achieved remarkable results in the field of cosmetic dermatology.

[0004] Currently, the quality of Q-switched laser products in the domestic beauty market varies greatly, and their overall structure is relatively large, which affects their effectiveness. Utility Model Content

[0005] The purpose of this invention is to provide a single-cavity dual-loop Q-switched laser to solve the above-mentioned problems.

[0006] This utility model achieves the above objectives through the following technical solutions:

[0007] A single-cavity dual-loop Q-switched laser includes a base plate. A single-lamp dual-rod focusing cavity is disposed at the upper end of the base plate. On one side of the single-lamp dual-rod focusing cavity, an optical polarizer adjustment frame, a Q-switch adjustment frame, a 12.5-inch optical lens adjustment frame, and a 20-inch optical input lens adjustment frame are sequentially disposed. On the other side of the single-lamp dual-rod focusing cavity, a 15-inch optical lens adjustment frame and a 20-inch optical folding lens adjustment frame are sequentially disposed. A 20-inch optical back-reflecting lens adjustment frame is disposed in front of the 20-inch optical folding lens adjustment frame. An adjustable light-blocking plate is disposed on the side of the single-lamp dual-rod focusing cavity away from the 20-inch optical back-reflecting lens adjustment frame. A 45° reflecting mirror frame is disposed on the side of the adjustable light-blocking plate away from the single-lamp dual-rod focusing cavity. A light guide arm bracket is mounted on the base plate above the 45° reflecting mirror frame.

[0008] Further configuration: The 20-position optical input lens adjustment bracket, the 12.5-position optical lens adjustment bracket, the Q-switch adjustment bracket, the optical polarizer adjustment bracket, the 15-position optical lens adjustment bracket, and the 20-position optical folding lens adjustment bracket are horizontally aligned with the rear lamp hole of the single-lamp double-rod focusing cavity.

[0009] Further arrangement: the front side lamp hole of the single lamp double stick light condensing cavity horizontally corresponds with the 20 optical return mirror adjusting frame, the adjustable light blocking plate, and the 45° reflecting mirror frame.

[0010] Further arrangement: the installation angle of the 20 optical return mirror adjusting frame and the 20 optical return mirror adjusting frame is vertical.

[0011] Compared with the prior art, the single cavity double circuit Q-switched laser device has the following beneficial effects:

[0012] Through the light adjusting frame, the optical polarizer adjusting frame and the Q-switch adjusting frame arranged on both sides of the single lamp double stick light condensing cavity, the laser energy is adjusted and outputted, so that the overall structure is compact, small in size, convenient to install, good in stability and high in use efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0014] Fig. 1 is a light path structure schematic diagram of the single cavity double circuit Q-switched laser device.

[0015] Fig. 2 is a front view structure schematic diagram of the single cavity double circuit Q-switched laser device.

[0016] The following is the explanation of the reference signs:

[0017] 1, bottom plate; 2, 20 optical input mirror adjusting frame; 3, 12.5 optical mirror adjusting frame; 4, Q-switch adjusting frame; 5, optical polarizer adjusting frame; 6, single lamp double stick light condensing cavity; 7, 15 optical mirror adjusting frame; 8, 20 optical return mirror adjusting frame; 9, 20 optical return mirror adjusting frame; 10, adjustable light blocking plate; 11, 45° reflecting mirror frame; 12, light guide arm support. DETAILED DESCRIPTION

[0018] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is merely for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are merely for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0019] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between the two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0020] The utility model will be further described below in combination with the drawings:

[0021] As Figs. 1-2 shown, a single-cavity double-loop Q-switching laser, comprising a bottom plate 1, the single lamp double stick spotlight cavity body 6 is provided on the upper end of the bottom plate 1, the single lamp double stick spotlight cavity body 6 one side is sequentially provided with optical polarizer adjusting frame 5, Q switch adjusting frame 4, 12.5 optical lens adjusting frame 3 and 20 optical input lens adjusting frame 2, for installing and adjusting the light lens, the single lamp double stick spotlight cavity body 6 the other side is sequentially provided with 15 optical lens adjusting frame 7 and 20 optical return lens adjusting frame 8, 20 optical return lens adjusting frame 8 front side is provided with 20 optical return lens adjusting frame 9, the single lamp double stick spotlight cavity body 6 is provided with adjustable light shield 10 on the side away from 20 optical return lens adjusting frame 9, adjustable light shield 10 is provided with 45 ° mirror frame 11 on the side away from the single lamp double stick spotlight cavity body 6, the light guide arm support 12 is installed on the upside of 45 ° mirror frame 11 on the bottom plate 1.

[0022] In the embodiment, 20 optical input lens adjusting frame 2, 12.5 optical lens adjusting frame 3, Q switch adjusting frame 4, optical polarizer adjusting frame 5, 15 optical lens adjusting frame 7, 20 optical return lens adjusting frame 8 and rear lamp hole of single lamp double rod condensing cavity 6 horizontally correspond; front lamp hole of single lamp double rod condensing cavity 6 and 20 optical return lens adjusting frame 9, adjustable light blocking plate 10, 45 ° mirror frame 11 horizontally correspond. The installation angle of 20 optical return lens adjusting frame 8 and 20 optical return lens adjusting frame 9 is perpendicular, so that the light of single lamp double rod condensing cavity 6 passes through the turning and returning mirrors on 15 optical lens adjusting frame 7, 20 optical return lens adjusting frame 8 and 20 optical return lens adjusting frame 9 to return to single lamp double rod condensing cavity 6.

[0023] The working principle and use process of the utility model are as follows: in the double loop Q switching laser system, the pump source in the condensing cavity of single lamp double rod condensing cavity 6 emits light when working, and simultaneously pumps two light emitting substances; first, the local oscillator level working substance is excited by the pump source to generate laser and resonant amplification in the resonant cavity of single lamp double rod condensing cavity 6, and the resonant amplified laser generates narrow pulse width high energy laser under the control of the Q switch on Q switch adjusting frame 4, which is output by the resonant cavity output mirror, and the output laser is folded back to the amplification level working substance of the condensing cavity through the turning mirrors on 15 optical lens adjusting frame 7, 20 optical return lens adjusting frame 8 and 20 optical return lens adjusting frame 9, and the laser energy is further amplified after the laser passes through the amplification level working substance, and the amplified laser is guided out of the system.

[0024] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A single cavity dual loop Q-switched laser, characterized by: Including the bottom plate (1), the bottom plate (1) upper end is provided with single lamp double stick spotlight cavity (6), one side of single lamp double stick spotlight cavity (6) is sequentially provided with optical polarizer adjusting frame (5), Q switch adjusting frame (4), 12.5 optical lens adjusting frame (3) and 20 optical input lens adjusting frame (2), the other side of single lamp double stick spotlight cavity (6) is sequentially provided with 15 optical lens adjusting frame (7) and 20 optical return lens adjusting frame (8), the front side of 20 optical return lens adjusting frame (8) is provided with 20 optical return lens adjusting frame (9), the side of single lamp double stick spotlight cavity (6) away from 20 optical return lens adjusting frame (9) is provided with adjustable light shield (10), the side of adjustable light shield (10) away from single lamp double stick spotlight cavity (6) is provided with 45 ° mirror frame (11), the bottom plate (1) is installed on the 45 ° mirror frame (11) upper side with light guide arm support (12).

2. The single cavity dual loop Q-switched laser as claimed in claim 1, wherein: The 20 optical input lens adjusting frame (2), the 12.5 optical lens adjusting frame (3), the Q switch adjusting frame (4), the optical polarizer adjusting frame (5), the 15 optical lens adjusting frame (7), the 20 optical return lens adjusting frame (8) and the rear side lamp hole of single lamp double stick spotlight cavity (6) correspond horizontally.

3. A single cavity dual loop Q-switched laser as claimed in claim 2, wherein: The front side lamp hole of single lamp double stick spotlight cavity (6) corresponds horizontally with 20 optical return lens adjusting frame (9), adjustable light shield (10) and 45 ° mirror frame (11).

4. The single cavity dual loop Q-switched laser as claimed in claim 1, wherein: The installation angle of 20 optical return lens adjusting frame (8) and 20 optical return lens adjusting frame (9) is perpendicular.