Abstract
A burst-mode laser system is developed for hybrid femtosecond/picosecond (fs/ps) rotational coherent anti-Stokes Raman scattering (RCARS) at megahertz rates. Using a common fs oscillator, the system simultaneously generates time synchronized 1061 nm, 274 fs and 1064 nm, 15.5 ps pulses with peak powers of 350 MW and 2.5 MW, respectively. The system is demonstrated for two-beam fs/ps RCARS in ${{\rm N}_2}$ at 1 MHz with a signal-to-noise ratio of 176 at room temperature. This repetition rate is an order of magnitude higher than previous CARS using burst-mode ps laser systems and two to three orders of magnitude faster than previous continuously pulsed fs or fs/ps laser systems.
© 2020 Optical Society of America
Full Article | PDF ArticleMore Like This
Erik L. Braun, Karna Patel, Venkat Athmanathan, Terrence R. Meyer, Sukesh Roy, and Mikhail N. Slipchenko
Opt. Lett. 49(8) 2161-2164 (2024)
K. Arafat Rahman, Erik L. Braun, Mikhail N. Slipchenko, Sukesh Roy, and Terrence R. Meyer
Opt. Lett. 45(2) 503-506 (2020)
Timothy Y. Chen, Benjamin M. Goldberg, Brian D. Patterson, Egemen Kolemen, Yiguang Ju, and Christopher J. Kliewer
Opt. Lett. 45(15) 4252-4255 (2020)