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Three-mirror stable resonator for high power and single-mode lasers
Applied Optics
|February 16, 2010
Summary
A stable, high Q, three-mirror resonator offers optimum output coupling and mode control for high-power lasers. Experimental results validate theoretical calculations for beam properties and stability.
Area of Science:
- Laser Physics
- Optical Engineering
Background:
- High-power lasers require precise control over output coupling and mode characteristics.
- Existing resonator designs may face limitations in achieving optimal performance for moderate-gain lasers.
Purpose of the Study:
- To propose and analyze a stable, high Q, three-mirror resonator configuration.
- To achieve optimum output coupling and mode control for high-power, moderate-gain lasers.
Main Methods:
- Theoretical calculations of beam intensity distributions, spot sizes, and stability conditions.
- Analysis of alignment tolerances for a limiting case.
- Experimental validation using a high-power argon-ion plasma tube and the proposed resonator.
Main Results:
- The three-mirror resonator demonstrates stability and high Q factor.
- Theoretical predictions for beam properties and stability conditions are confirmed.
- Experimental data aligns with theoretical models, validating the resonator's effectiveness.
Conclusions:
- The proposed three-mirror resonator is effective for optimum output coupling and mode control.
- This design offers a viable solution for enhancing the performance of high-power lasers.
- The study provides a theoretical and experimental basis for implementing advanced laser resonator systems.
