Related Experiment Video
Updated: Jun 16, 2026
10:17
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Summary
This study explores novel laser resonators with annular amplifying media, demonstrating useful low-loss modes even with obscured axial regions. Experiments confirm theoretical predictions for these unique laser designs.
Area of Science:
- Optics and Photonics
- Laser Physics
- Resonator Design
Background:
- Traditional laser resonators often require clear axial regions for optimal performance.
- Investigating alternative resonator geometries is crucial for advancing laser technology.
Purpose of the Study:
- To theoretically and experimentally investigate a new class of laser resonators.
- To analyze the properties of resonators utilizing an annular amplifying medium.
Main Methods:
- Theoretical analysis of resonator properties.
- Experimental validation using coaxial double-discharge CO(2) devices.
- Examination of alignment characteristics and far-field patterns.
Main Results:
- Demonstration of useful low-loss laser modes with an obscured axial region.
- Characterization of the alignment and far-field patterns of the novel resonator.
- Successful application in CO(2) laser devices.
Conclusions:
- The novel annular resonator design offers a viable alternative for specific laser applications.
- Obscured axial regions do not preclude the generation of useful low-loss modes.
- Further research into these resonators could lead to new laser functionalities.
