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Thin-disk laser operation of Ti:sapphire.
Optics Letters
|April 15, 2017
Summary
This study demonstrates the first Ti:sapphire thin-disk laser oscillator, achieving 7W output power. Researchers analyzed thermal effects and optical performance, offering insights into laser development.
Area of Science:
- Laser Physics
- Materials Science
Background:
- Ti:sapphire lasers are crucial for tunable, high-power applications.
- Thin-disk laser architectures offer advantages in thermal management and scalability.
Purpose of the Study:
- To report the first demonstration of a Ti:sapphire thin-disk laser oscillator.
- To investigate the thermal behavior and thermally induced lensing under varying pump spot sizes.
- To characterize the laser's output power, efficiency, and spectral properties.
Main Methods:
- Construction and operation of a Ti:sapphire thin-disk laser oscillator.
- Systematic variation of pump spot size to analyze thermal effects.
- Measurement of output power, optical efficiency, and emission spectrum.
Main Results:
- Achieved a maximum output power of 7W in multimode continuous-wave operation.
- Recorded an optical efficiency of 11%.
- Observed an emission spectrum with a 10nm FWHM centered at 790nm.
Conclusions:
- The Ti:sapphire thin-disk laser oscillator is successfully demonstrated.
- Thermal behavior and lensing effects were characterized, providing data for optimization.
- The results highlight the potential of this laser design for various applications.