Abstract

Emission spectra of transitions from low-lying metastable electronic states of diatomic radicals have been studied in the NIR region with high-resolution BOMEM or BRUKER Fourier- transform spectrometers. Different groups of radicals and types of transitions have been studied, - a¹Δ_(g)→X³Σ^-_(g) and b¹Σ⁺_(g)→X³Σ^-_(g) transitions of radicals of the O₂/NH/NF family, - a³Σ^-_(u)(a₁1_(u))→X¹Σ⁺_(g)(X0⁺_(g)) transitions of group VA diatomics (BiN, BiP, BiAs, BiSb, Bi₂, Sb₂), - transitions between the fine structure components of widely split X²Π or x³ς ground states of metal hydrides, halides and chalcogenides (BiH, BiX, BiY, TeH, TeX, PbX; X=F,Cl,Br,I; Y=O,S,Se).

© 1997 Optical Society of America