Excitation Emission Spectra for the OH A-X (0,0) band in a C2H2/O2 flame

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EES, point of measurement:

off-center (outer range of the flame)

Excitation wavelength:

UV: 330,50 nm to 299,00 nm

VIS: 661,00 nm to 598,00 nm

(UV and VIS simultaneously)

Emission wavelength:

240 nm to 655 nm

EES, point of measurement:

center (inner cone of the flame)

Excitation wavelength:

UV: 330,50 nm to 299,00 nm

VIS: 661,00 nm to 598,00 nm

(UV and VIS simultaneously)

Emission wavelength:

240 nm to 655 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 306,26 nm

VIS: 612,52 nm

(UV and VIS simultaneously)

Detected signals:

Rayleigh scattering: UV and VIS

OH-LIF A-X / from A-X (0,0) and (1,1) excitations:

(starting at: 302,2 nm (0,0) and 312,2 nm (1,1))

OH-LIF A-X emissions:

(278 - 300 nm, 302 - 330 nm, 342 - 355 nm, 405 nm)

Rayleigh and OH-LIF in 2nd order

Detected signals:

Rayleigh scattering: UV (+ 2nd order) and VIS

C2-LIF d-a / from d-a (0,3), (1,4) ... excitations

(Swan bands, starting at 685,2 nm (342,6 nm)) (weak)

C2-LIF d-a / from d-a (0,2), (1,3) ... excitations

(Swan bands, starting at 619,0 nm (309,5 nm))

C2-LIF / Swan band emissions:

(438 nm, 473 nm, 516 nm, 563 nm)

C2-LIF / Deslandres d'Azambuja band emissions:

(385 nm)

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

broadband fluorescence of hydrocarbon species:

(300 nm to 450 nm)

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

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CCD dynamic: 12 bit / ICCD gain: 8,3 / entrance slit: 80 mm / sum of pulses: 10 /

UV pulse energy: not measured

EES, point of measurement:

off-center (outer range of the flame)

Excitation wavelength:

UV: 330,50 nm to 299,00 nm

VIS: no VIS excitation

Emission wavelength:

240 nm to 655 nm

EES, point of measurement:

center (inner cone of the flame)

Excitation wavelength:

UV: 330,50 nm to 299,00 nm

VIS: no VIS excitation

Emission wavelength:

240 nm to 655 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 306,56 nm

VIS: no VIS excitation

Detected signals:

Rayleigh scattering: UV

OH-LIF A-X / from A-X (0,0) and (1,1) excitations:

(starting at: 302,2 nm (0,0) and 312,2 nm (1,1))

OH-LIF A-X emissions:

(278 - 300 nm, 302 - 330 nm, 342 - 355 nm, 405 nm)

Rayleigh and OH-LIF in 2nd order

Detected signals:

Rayleigh scattering: UV

C2-LIF / Swan band emissions:

(473 nm, 516 nm, 563 nm)

C2-LIF / Deslandres d'Azambuja band emissions:

(385 nm, 410 nm) (weak)

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

broadband fluorescence of hydrocarbon species:

(300 nm to 450 nm)

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

Download MS Word file:

Download Davis file:

Download ASCII file:

Download Davis file:

Download ASCII file:

CCD dynamic: 12 bit / ICCD gain: 8,3 / entrance slit: 80 mm / sum of pulses: 10 /

UV pulse energy: not measured

Grating: 100 lines/mm, only UV excitation, Emissions: 190 to 605 nm, O2/C2H2 ratio > 1, Laser beam above cone

EES, point of measurement:

center (center of the flame), laser above cone

Excitation wavelength:

UV: 306,00 nm to 299,50 nm

VIS: no VIS excitation

Emission wavelength:

190 nm to 605 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 301,29 nm

VIS: no VIS excitation

Detected signals:

Rayleigh scattering: UV

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

(starting at: 302,2 nm (0,0))

OH-LIF A-X emissions:

(278 - 300 nm, 302 - 330 nm, 342 - 355 nm)

hot O2-LIF (see also chapter O2)

Rayleigh and OH-LIF in 2nd order

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

Download MS Word file:

Download Davis file:

Download ASCII file:

CCD dynamic: 12 bit / ICCD gain: 9,0 / entrance slit:80 mm / sum of pulses: 50 /

UV pulse energy: not measured