Vertical cavity surface emitting laser and laser equipment
By setting up a convex curved surface structure on the cap layer, the problem of large divergence angle of the vertical cavity surface emission laser is solved, and the effect of reducing divergence angle and reducing costs is achieved.
CN222654558UActive Publication Date: 2025-03-21SUZHOU ZHIXING SEMICONDUCTOR TECHNOLOGY CO LTD
0 Cites 0 Cited by
Patent Information
- Application Number
- CN202421523581.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-07-01
AI Technical Summary
Technical Problem
现有垂直腔面发射激光器的发散角较大,导致需要增加准直透镜,增加了成本和体积。
Method used
The convex curved surface structure is arranged on the cap layer to reduce the divergence angle through transmission, avoiding the need to add additional collimation lenses.
Benefits of technology
The divergence angle of the vertical cavity surface emitting laser is effectively reduced, and the cost and volume of the entire laser is reduced.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model provides a vertical cavity surface emitting laser and laser equipment, and relates to the technical field of lasers. The vertical cavity surface emitting laser comprises an N-type electrode, a P-type electrode, an optical structure and a cap layer, the N-type electrode is connected with the bottom surface of the optical structure, the cap layer is connected with the top surface of the optical structure, the P-type electrode is connected with the outer side of the top of the cap layer, and a convex curved surface structure is arranged in the middle area of the top of the cap layer. The convex curved surface structure is used for reducing the divergence angle of the vertical cavity surface emitting laser. The vertical cavity surface emitting laser and the laser equipment provided by the utility model have the advantage of reducing the divergence angle on the basis of low cost.
Need to check novelty before this filing date? Find Prior Art