Abstract

The absolute Raman gain for the Q(1) vibrational Raman transition in H₂ at 4155 cm⁻¹ has been measured at pump (Stokes) wavelengths of 532 (683), 477 (594), and 307 (351) nm using a pulsed pump and a cw probe laser, both of which were single frequency. Good agreement is found between the measured and calculated Raman steady-state gain coefficients. Empirical formulas are derived to calculate the Raman gain as a function of wavelength, density, and temperature.

© 1986 Optical Society of America

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