Development of compact femtosecond Yb:KYW oscillators: Simulation and experiment

Numerical simulations and laboratory experiments are conducted for the development of a compact femtosecond diode-pumped Yb:KYW oscillator. For optimizing the oscillator as a seeding source for a regenerative amplifier, we simulated the output power as a function of the transmission of the output co...

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Bibliographic Details
Published in:Journal of the Korean Physical Society 2012, 61(3), , pp.365-370
Main Authors: Kim, Guang Hoon, Yang, Juhee, Sall, Elena, Chizhov, Sergey, Kulik, Andrey, Lee, Dae-Sic, Kang, Uk, Yashin, Vladimir
Format: Article
Language:English
Subjects:
Mathematical and Computational Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Research Papers
Theoretical
물리학
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Summary:Numerical simulations and laboratory experiments are conducted for the development of a compact femtosecond diode-pumped Yb:KYW oscillator. For optimizing the oscillator as a seeding source for a regenerative amplifier, we simulated the output power as a function of the transmission of the output coupler, the incident pump power, and the amplification axis of the gain medium by using laser cavity analysis and design (LASCAD) software. Numerical and experimental results show good agreement for both N p - and N m -polarization for N g - and N p -cut crystals. The experimental results show that the N m -polarization oscillator’s average power exceeds 1.2 W at the central wavelength of 1035 nm with a pulse duration 111 fs, which is suitable for the combined gain spectrum of a dual-crystal amplifier.
ISSN:0374-4884
1976-8524
DOI:10.3938/jkps.61.365