. . "31"^^ . . . . . "1"^^ . "46" . "This paper reviews optical diagnostic methods and approaches applied to study the fundamentals of streamer discharges, considering the peculiarities of streamers developing in atmospheric gases at hig(1\u2009bar) as well as low(<10\u2009mbar)pressures.A critical discussion is devoted to the cross-sections for electron-impact excitation/ionization/dissociation processes and corresponding rate constants in relation to methods used to probe streamer properties. The most important spectrometric signatures of radiative transitions of diatomic as well as atomic species are discussed on the basis of their synthetic models with a brief guide on how to simulate the most important emissions.Basic differences between UV\u2013vis\u2013NIR spectra produced by electron-impact and various heavy-particle energy-transfer processes during streamer evolution are presented and possible strategies based on 2D projections of cylindrically symmetric streamers to determine radial distributions of excited species within" . "RIV/61389021:_____/14:00434621" . "I, P(GAP205/12/1709)" . . "34726" . "RIV/61389021:_____/14:00434621!RIV15-GA0-61389021" . "1"^^ . "streamer; optical diagnostics; laser-induced fluorescence; LIF; TALIF; red-sprite"@en . . . "\u0160imek, Milan" . . . . . "Optical diagnostics of streamer discharges in atmospheric gases" . . . "47" . . "0022-3727" . "Optical diagnostics of streamer discharges in atmospheric gases"@en . "This paper reviews optical diagnostic methods and approaches applied to study the fundamentals of streamer discharges, considering the peculiarities of streamers developing in atmospheric gases at hig(1\u2009bar) as well as low(<10\u2009mbar)pressures.A critical discussion is devoted to the cross-sections for electron-impact excitation/ionization/dissociation processes and corresponding rate constants in relation to methods used to probe streamer properties. The most important spectrometric signatures of radiative transitions of diatomic as well as atomic species are discussed on the basis of their synthetic models with a brief guide on how to simulate the most important emissions.Basic differences between UV\u2013vis\u2013NIR spectra produced by electron-impact and various heavy-particle energy-transfer processes during streamer evolution are presented and possible strategies based on 2D projections of cylindrically symmetric streamers to determine radial distributions of excited species within"@en . . "Optical diagnostics of streamer discharges in atmospheric gases" . "000344859800001" . . "GB - Spojen\u00E9 kr\u00E1lovstv\u00ED Velk\u00E9 Brit\u00E1nie a Severn\u00EDho Irska" . . "Journal of Physics D-Applied Physics" . "Optical diagnostics of streamer discharges in atmospheric gases"@en . "[7952E1BADBE0]" . "10.1088/0022-3727/47/46/463001" .