UV Generation Using Multiwave Raman Mixing In H[sub]2[/sub] With Single-Frequency Lasers

William K Bischel; Douglas J Bamford; Mark J Dyer

doi:10.1117/12.945524

22 June 1988 UV Generation Using Multiwave Raman Mixing In H₂ With Single-Frequency Lasers

William K Bischel, Douglas J Bamford, Mark J Dyer

Proceedings Volume 0912, Pulse Single-Frequency Lasers: Technology and Applications; (1988) https://doi.org/10.1117/12.945524
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

UV generation using multiwave Raman mixing in Hz has been investigated using a single-frequency YAG laser system. We report energy conversion efficiencies to the backward 1st Stokes at 683 nm and the 8th anti-Stokes (AS) wave at 192 nm starting with doubled-YAG at 532 nm as the pump laser source. We also report on spectral broadening of the 2nd AS radiation at 226 nm by more than 10 x the Fourier-transform limit of the pump laser. The results indicate that the broadening mechanism is primarily due to the AC Stark shift of the Q(1) Raman transition in H₂. We present calculations of the AC Stark shift and the Raman Rabi frequency using ab initio calculations of the polarizabilites. These experiments illustrate the new information that can be obtained when experiments are performed using single-frequency lasers.

Citation Download Citation

William K Bischel, Douglas J Bamford, and Mark J Dyer "UV Generation Using Multiwave Raman Mixing In H₂ With Single-Frequency Lasers", Proc. SPIE 0912, Pulse Single-Frequency Lasers: Technology and Applications, (22 June 1988); https://doi.org/10.1117/12.945524

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