Abstract
Collisional relaxation rates in the ν2 mode of NH3 are important for modeling 12-μm NH3 lasers1 and for theoretical studies of hydrogen bonded systems.2 We developed a versatile apparatus involving a Q-switched CO2 laser as a pump and tunable diode laser (TDL) as a probe to investigate a variety of relaxation processes in NH3. The Q-switched laser operates on the 9R(30) line of CO2 and excites the ν2 = 1 level of NH3 via absorption on the sR(5,0) and sR(5,1) transitions.
© 1986 Optical Society of America
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