Abstract
A frequency calibration in the tuning range of the ArF excimer laser near 193 nm was performed. Different electronic spectra of NO were measured by laser-induced fluorescence in a cell and in an oxyacetylene flame. Spectra were measured with a frequency-doubled and Raman-shifted dye laser system and with a tunable ArF excimer laser with a modified configuration. A list of absolute frequencies of the B 2Π(υ′ = 7) ← X 2Π(υ″ = 0) and D 2Σ+(υ′ = 0) ← X 2Π(υ″ = 1) transitions in this spectral region is given, including a more comprehensive assignment of the latter excitation spectrum.
© 1991 Optical Society of America
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