Excitation Emission Spectra for the OH A-X (3,0) band in a CH4/air flame

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Grating: 100 lines/mm, UV and VIS excitation, Emissions: 175 to 565 nm, CCD dynamic: 16 bit

EES, point of measurement:

off-center (outer range of the flame)

Excitation wavelength:

UV: 250,00 nm to 243,00 nm

VIS: 500,00 nm to 486,00 nm

(UV and VIS simultaneously)

Emission wavelength:

175 nm to565 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 244,90 nm

VIS: 489,80 nm

(UV and VIS simultaneously)

Detected signals:

Rayleigh scattering: UV and VIS

OH-LIF A-X / from A-X (3,0) excitation:

(starting at: 244,3 nm (3,0))

OH-LIF A-X emissions:

(265 - 275 nm, 281 - 303 nm, 305 - 330 nm)

NO-LIF A-X / from A-X (0,2) and (1,3) excitations:

(starting at 247,8 nm (0,2) and 244,6 nm (1,3))

NO-LIF A-X emissions:

(286 nm, 272 nm, 260 nm, 248 nm, 237 nm, 227 nm, 215 nm)

Rayleigh, NO-LIF and OH-LIF in 2nd order

Download common measurement report for detailed informations about flame, laser beam position, pulse energy, ICCD gain, etc:

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CCD dynamic: 16 bit / ICCD gain: 9,0 / entrance slit: 80 mm / sum of pulses: 80 /

UV pulse energy: about 4,3 mJ/pulse