Abstract
We report the preliminary results of our experiments with stimulated Raman scattering in para-hydrogen crystal aimed at developing a continuously tunable laboratory laser source of mid-infrared radiation. With laser pulses at 532 nm, a conversion efficieney for the first Stokes beam of as much as 20% in the forward direction was observed through a single-pass, 5-cm-long crystal. Generation of mid-infrared pulses at 4.5 μm was achieved by use of the output of a near-infrared pulsed laser (1.6 μm, 3 ns), and an absorption spectrum of gaseous CD4 molecules was successfully recorded. These results suggest use of the solid para-hydrogen Raman shifter as a promising light source for mid-infrared spectroscopy.
| Original language | English |
|---|---|
| Pages (from-to) | 37-39 |
| Number of pages | 3 |
| Journal | Optics Letters |
| Volume | 28 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jan 1 2003 |
| Externally published | Yes |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
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Fushitani, M., Kuma, S., Miyamoto, Y., Katsuki, H., Wakabayashi, T., Momose, T., & Vilesov, A. F. (2003). Generation of infrared radiation by stimulated Raman scattering in para-hydrogen crystal at 5 K. Optics Letters, 28(1), 37-39. https://doi.org/10.1364/OL.28.000037