Excitation Emission Spectra (EES) Database of CH radical B-X transitions, 100 l/mm grating

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Grating: 100 lines/mm, UV and VIS excitation, Emissions: 190 to 615 nm, inside cone, sooting flame (CH4/air ratio > 1)

EES, point of measurement:

center (inner cone of the flame, flame front)

Excitation wavelength:

UV: 227,30 nm to 215,50 nm

VIS: 454,60 nm to 431,00 nm

(UV and VIS simultaneously)

Emission wavelength:

190 nm to 615 nm

EES, point of measurement:

off-center (outer range of the flame, reaction zone)

Excitation wavelength:

UV: 227,30 nm to 215,50 nm

VIS: 454,60 nm to 431,00 nm

(UV and VIS simultaneously)

Emission wavelength:

190 nm to 615 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 226,00 nm

VIS: 452,00 nm

(UV and VIS simultaneously)

Detected signals:

Rayleigh scattering: UV and VIS

NO-LIF A-X (weak)

CH-LIF B-X / from B-X (1,2) excitation:

(starting at 432 nm to 452 nm)

CH-LIF B-X emissions:

(390 nm)

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

(Swan bands, starting at 438,0 nm)

C2-LIF / Swan band emissions:

(438 nm, 473 nm, 516 nm, 563 nm, 619 nm)

C2-LIF / Deslandres d'Azambuja band emissions:

(339 nm, 360nm, 385 nm)

Detected signals:

Rayleigh scattering: UV and VIS

(intensity changes at about 220,80 nm ex. wl. bacaucse of

different polarisation directions)

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

(starting at: 226,9 nm (0,0) and 224,5 nm (1,1))

NO-LIF A-X emissions:

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

hot O2-LIF (see also chapter O2)

Rayleigh and NO-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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Download Davis file:

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CCD dynamic:12 bit / ICCD gain: 9,5 / entrance slit: 100 mm / sum of pulses: 50 /

UV pulse energy: about 2,9 to 1,0 mJ/pulse

Grating: 100 lines/mm, UV and VIS excitation, Emissions: 175 to 565 nm, above cone

EES, point of measurement:

center (inner range of the flame), above cone

Excitation wavelength:

UV: 227,30 nm to 216,02 nm

VIS: 454,60 nm to 432,04 nm

(UV and VIS simultaneously)

Emission wavelength:

175 nm to 565 nm

EES, point of measurement:

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

Excitation wavelength:

UV: 227,30 nm to 216,02 nm

VIS: 454,60 nm to 432,04 nm

(UV and VIS simultaneously)

Emission wavelength:

175 nm to 565 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 226,00 nm

VIS: 452,00 nm

(UV and VIS simultaneously)

Detected signals:

Rayleigh scattering: UV and VIS

CH-LIF B-X / from B-X (1,2) excitation:

(starting at 432 nm)

CH-LIF B-X emissions:

(390 nm, 432 nm, 469 nm)

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

Rayleigh and NO-LIF in 2nd order

Detected signals:

Rayleigh scattering: UV and VIS

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

(starting at: 226,9 nm (0,0), 224,5 nm (1,1) and 222,2 nm (2,2))

NO-LIF A-X emissions:

(335 nm, 317 nm, 301 nm, 286 nm, 272 nm, 260 nm, 248 nm, 237 nm, 227 nm, 215 nm, 205 nm)

Rayleigh and NO-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:

Download Davis file:

Download ASCII file:

CCD dynamic: 12 bit / ICCD gain: 9,5 / entrance slit: 80 mm / sum of pulses: 50 /

UV pulse energy: about 2,9 to 1,8 mJ/pulse