Spontaneous amplified emission of a Na2 diffuse violet band produced through two-photon excitation of sodium vapor
作者： C.Y.Robert Wu , J.K. Chen , D.L. Judge , C.C. Kim
DOI: 10.1016/0030-4018(83)90243-2
关键词: Atom 、 Two-photon excitation microscopy 、 Excitation 、 Vapour density 、 Excited state 、 Optics 、 Laser 、 Dye laser 、 Materials science 、 Wavelength
摘要: Abstract We report observation of enhanced emission the diffuse violet band at 436.0 nm when sodium vapor is optically pumped with a pulsed dye laser output wavelength in 570–595 region. A significant observed forward direction along propagating beam tuned to near two-photon excited 4d state Na atom. At density higher than 10 15 cm -3 predominantly produced through processes associated excitation 2 . The dependence on and power presented.
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