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Toric unstable CO(2) laser resonator: an experimental study.
Applied Optics
|August 20, 2010
Summary
This study presents a toric unstable resonator for lasers, offering beam profile control via coupling aperture adjustments. It enhances laser output parameters and focal spot characteristics.
Area of Science:
- Optics and Photonics
- Laser Physics
- Resonator Design
Background:
- Unstable resonators are widely used in laser systems.
- Controlling laser beam profiles is crucial for various applications.
- Multichannel stripline excitation offers advanced control over laser discharge.
Purpose of the Study:
- To characterize the output of a toric unstable resonator coupled with a multichannel stripline excitation system.
- To investigate the resonator's ability to modify laser beam profiles.
- To analyze laser output parameters based on resonator configuration.
Main Methods:
- Experimental setup involving a toric unstable resonator and multichannel stripline excitation.
- Systematic variation of coupling aperture size.
- Measurement of laser output parameters, including beam profile, focal spot size, alignment sensitivity, and polarization.
Main Results:
- The toric unstable resonator exhibits advantages of conventional unstable resonators.
- The resonator allows for output beam profile modification through adjustable coupling apertures.
- Laser output parameters were successfully correlated with coupling fraction, magnification, and internal loss.
Conclusions:
- The toric unstable resonator provides a flexible platform for tailoring laser beam characteristics.
- The study demonstrates effective control over focal spot size and beam profile.
- This resonator design offers enhanced tunability for laser applications.
