Excitation Emission Spectra for the OH A-X (3,0) band in a C2H2/O2 flame

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EES, point of measurement:

off-center (outer range of the flame)

Excitation wavelength:

UV: 253,00 nm to 243,00 nm

VIS: 506,00 nm to 486,00 nm

(UV and VIS simultaneously)

Emission wavelength:

190 nm to 605 nm

EES, point of measurement:

center (inner cone of the flame)

Excitation wavelength:

UV: 253,00 nm to 243,00 nm

VIS: 506,00 nm to 486,00 nm

(UV and VIS simultaneously)

Emission wavelength:

190 nm to 605 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 246,14 nm

VIS: 492,28 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:

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

hot O2-LIF (weak) (see also chapter O2)

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

Detected signals:

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

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

(Swan bands, starting at 518,0 nm)

C2-LIF / Swan band emissions:

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

C2-LIF / Deslandres d'Azambuja band emissions:

(339 nm, 360 nm, 385 nm, 410nm, 438 nm)

broadband fluorescence of hydrocarbon species:

(about 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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Download Davis file:

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Download Davis file:

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CCD dynamic: 12 bit / ICCD gain: 7,1 / entrance slit: 80 mm / sum of pulses: 50 /

UV pulse energy: about ... to 4,3 mJ/pulse

EES, point of measurement:

off-center (outer range of the flame)

Excitation wavelength:

UV: 259,00 nm to 243,00 nm

VIS: no VIS excitation

Emission wavelength:

190 nm to 605 nm

EES, point of measurement:

center (inner cone of the flame)

Excitation wavelength:

UV: 259,00 nm to 243,00 nm

VIS: no VIS excitation

Emission wavelength:

190 nm to 605 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 246,86 nm

VIS: no VIS excitation

Detected signals:

Rayleigh scattering: UV

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 (0,3) and (1,4) excitations:

(starting at 259,5 nm (0,3) and 255,8 nm (1,4))

NO-LIF A-X emissions from (0,3) and (1,4):

(301 nm, 286 nm, 272 nm, 260 nm, 248 nm, 237 nm, 227 nm, 215 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 from (0,2) and (1,3):

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

hot O2-LIF (see also chapter O2)

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

Detected signals:

Rayleigh scattering: UV

C2-LIF / Swan band emissions:

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

C2-LIF D-X / from D-X (0,2), (1,3) ... excitations:

(Mullikan bands, starting at 253 nm)

C2-LIF / Mullikan band emissions:

(231 nm, 242 nm, 252 nm)

C2-LIF / Deslandres d'Azambuja band emissions:

(360 nm, 385 nm, 410nm, 438 nm)

broadband fluorescence of hydrocarbon species:

(about 300 nm to 450 nm)

(laser intensity fluctuations during the measurement!)

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: 9,9 / entrance slit: 100 mm / sum of pulses: 50 /

UV pulse energy: not measured

Grating: 100 lines/mm, UV and VIS excitation, Emissions: 180 to 600 nm, small cone, Laser beam above cone

EES, point of measurement:

off-center (outer range of the flame), laser above cone

Excitation wavelength:

UV: 253,00 nm to 243,00 nm

VIS: 506,00 nm to 486,00 nm

(UV and VIS simultaneously)

Emission wavelength:

180 nm to 600 nm

EES, point of measurement:

center (inner cone of the flame), laser above cone

Excitation wavelength:

UV: 253,00 nm to 243,00 nm

VIS: 506,00 nm to 486,00 nm

(UV and VIS simultaneously)

Emission wavelength:

180 nm to 600 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 246,18 nm

VIS: 492,36 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 (0,3) and (1,4) excitations:

(starting at 259,5 nm (0,3) and 255,8 nm (1,4))

NO-LIF A-X emissions from (0,3) and (1,4):

(272 nm, 260 nm, 248 nm, 237 nm, 227 nm, 215 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 from (0,2) and (1,3):

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

hot O2-LIF (see also chapter O2)

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

Detected signals:

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

OH-LIF A-X / from A-X (3,0) and (4,1) excitations

NO-LIF A-X / from A-X (0,3) and (1,4) excitations

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

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: 9,9 / entrance slit: 80 mm / sum of pulses: 50 /

UV pulse energy: not measured