Doppler-free spectroscopy by noncollinear degenerate multi-wave mixing

Phase matched resonant degenerate wave mixing in a Doppler broadened gas medium is shown to give rise to narrow spectral lineshapes even for non-dollinear arrangements. The effect is related to velocity selection in more than a single direction. Numerical calculations for six-wave mixing were well v...

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Veröffentlicht in:	Optics communications 1992-06, Vol.90 (1), p.57-60
Hauptverfasser:	de Oliveira, Paulo C., Di Lorenzo-Filho, O., Liu, Yudong, Rios Leite, J.R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Infrared, submillimeter wave, microwave and radiowave instruments, equipment and techniques Instruments, apparatus, components and techniques common to several branches of physics and astronomy Physics
Online-Zugang:	Volltext
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Zusammenfassung:	Phase matched resonant degenerate wave mixing in a Doppler broadened gas medium is shown to give rise to narrow spectral lineshapes even for non-dollinear arrangements. The effect is related to velocity selection in more than a single direction. Numerical calculations for six-wave mixing were well verified experimentally for CO 2 laser diffraction on low pressure SF 6.
ISSN:	0030-4018 1873-0310
DOI:	10.1016/0030-4018(92)90327-N