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Preferential excitation and enhanced emission of Pb atoms following detonation of lead azide (1991)

Bar, I. ; Cohen, A. ; Heflinger, D. ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 58 (1991), S. 322-324

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: Preferential excitation of the 3P°1 state of the lead atom and enhanced emission in the Pb(3P°1Pb(3P°1→1D2) transition at 722.9 nm have been observed following the detonation of lead azide, Pb(N3)2. The detonation is initiated by a short laser pulse and the products are expanded through a supersonic nozzle. It is suggested that the enhanced emission is due to preferential excitation of Pb(3P°1) via energy transfer from electronically excited N2 combined with the effect of self-trapping of the emission from 3P°1 to the 3P0,1,2 states. The implications to short-wavelength chemical lasers are discussed.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.104674

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