Diode laser spectroscopy of oxygen electronic band at 760 nm

Year: 1998

Authors: Lucchesini A., De Rosa M., Gabbanini C., Gozzini S.

Autors Affiliation: Istituto di Fisica Atomica E Molecolare Del CNR, Via del Giardino 7, 1-56127 Pisa, Italy

Abstract: Collisional broadening and shift coefficients have been obtained by analyzing the line shapes of oxygen absorptions in the 760 nm electronic band. By using a diode laser spectrometer with commercially available etherostructure AlGaAs diode lasers operating in “free-running mode”, line shape parameters have been collected at room temperature by varying the gas pressure. A systematic study has been
carried on seven absorption lines by scanning the diode laser emission wavelength around the gas resonances. The weak absorption lines have been detected by using the wavelength modulation (WM) spectroscopy technique with second-harmonic detection.

Journal/Review: NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA D-CONDENSED MATTER ATOMIC MOLECULAR AND CHEMICAL PHYSICS FLUIDS PLASMAS BIOPHYSICS

Volume: 20 (3)      Pages from: 253  to: 260

KeyWords: Lines and bands widths and shapes,; Infrared spectra; Infrared spectrometers; Laser diode; Oxygen

Citations: 11
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