Excitation Emission Spectra for hot oxygen O2 in a H2/O2 flame

Transition: Schumann-Runge bands: B³S_u^- - X³S_g^- (0,7), (0,8), (0,9), (1,8), (1,9), (2,8), (2,9), (2,10), ... bands of hot molecular oxygen O₂ (excitation wavelengths: see table below)

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Grating: 100 lines/mm, UV and VIS excitation, Emissions: 190 to 605 nm, part 1

EES, point of measurement:

center (center of the flame)

Excitation wavelength:

UV: 278,35 nm to 274,00 nm

VIS: 556,70 nm to 548,00 nm

(UV and VIS simultaneously)

Emission wavelength:

190 nm to 605 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 274,33 nm

VIS: 548,66 nm

(UV and VIS simultaneously)

Detected signals:

Rayleigh scattering: UV and VIS

hot O2-LIF from Schumann-Runge bands:

(for more information see table on top of this page)

OH-LIF A-X / from A-X (2,0) and (3,1) excitations:

(starting at: 259,2 nm (2,0))

OH-LIF A-X emissions:

(278 - 302 nm, 302 - 335 nm)

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

UV pulse energy: about 2,65 to ... mJ/pulse

Grating: 100 lines/mm, UV and VIS excitation, Emissions: 190 to 605 nm, part 2

EES, point of measurement:

center (center of the flame)

Excitation wavelength:

UV: 274,50 nm to 256,00 nm

VIS: 549,00 nm to 512,00 nm

(UV and VIS simultaneously)

Emission wavelength:

190 nm to 605 nm

Single Image:

local distribution of signals inside the flame

Excitation wavelength:

UV: 260,70 nm

VIS: 521,40 nm

(UV and VIS simultaneously)

Detected signals:

Rayleigh scattering: UV and VIS

hot O2-LIF from Schumann-Runge bands:

(for more information see table on top of this page)

OH-LIF A-X / from A-X (2,0) and (3,1) excitations:

(starting at: 259,2 nm (2,0) and 267,5 nm (3,1))

OH-LIF A-X emissions:

(259 - 275 nm, 278 - 302 nm, 302 - 335 nm, 340 - 360 nm, 405 nm)

NO-LIF A-X / from A-X (0,3) excitation:

(starting at 259,5 nm (0,3))

NO-LIF A-X emissions:

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

Rayleigh, O2-LIF, 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:

Download MS Word file:

Download Davis file:

Download ASCII file:

CCD dynamic: 12 bit / ICCD gain: 8,6 / entrance slit: 80 mm / sum of pulses: 50 /

UV pulse energy: about 3,1 to 3,5 mJ/pulse

Transitions of O2 Schumann-Runge bands	Excitation wavelength range [nm]	Emissions [nm] starting at:
B-X (0,9) band starting at 276,4 nm	276,4 nm deg. to the red	202,6 nm, 209,2 nm, 216,1 nm, 223,4 nm, 231,1 nm, 239,2 nm, 247,7 nm, 256,7 nm, 266,3 nm, 276,4 nm, 287,1 nm, 298,4 nm, 310,5 nm, 323,4 nm, 337,1 nm, 351,8 nm, ...
B-X (2,10) band starting at 276,3 nm	276,3 nm deg. to the red	197,2 nm, 203,4 nm, 210,0 nm, 216,9 nm, 224,1 nm, 231,7 nm, 239,7 nm, 248,1 nm, 257,0 nm, 266,4 nm, 276,3 nm, 286,9 nm, 298,0 nm, 309,8 nm, 322,4 nm, 335,8 nm, …
B-X (3,10) band starting at 271,5 nm	271,5 nm deg. to the red	194,7 nm, 200,8 nm, 207,2 nm, 213,9 nm, 220,9 nm, 228,3 nm, 236,1 nm, 244,2 nm, 252,8 nm, 261,9 nm, 271,5 nm, 281,7 nm, 292,4 nm, 303,8 nm, 315,9 nm, 328,7 nm, …
B-X (1,9) band starting at 271,2 nm	271,2 nm deg. to the red	199,8 nm, 206,2 nm, 213,0 nm, 220,0 nm, 227,5 nm, 235,3 nm, 243,6 nm, 252,3 nm, 261,5 nm, 271,2 nm, 281,5 nm, 292,4 nm, 304,0 nm, 316,4 nm, 329,5 nm, 343,5 nm, …
B-X (2,9) band starting at 266,4 nm	266,4 nm deg. to the red	197,2 nm, 203,4 nm, 210,0 nm, 216,9 nm, 224,1 nm, 231,7 nm, 239,7 nm, 248,1 nm, 257,0 nm, 266,4 nm, 276,3 nm, 286,9 nm, 298,0 nm, 309,8 nm, 322,4 nm, 335,8 nm, …
B-X (0,8) band starting at 266,3 nm	266,3 nm deg. to the red	202,6 nm, 209,2 nm, 216,1 nm, 223,4 nm, 231,1 nm, 239,2 nm, 247,7 nm, 256,7 nm, 266,3 nm, 276,4 nm, 287,1 nm, 298,4 nm, 310,5 nm, 323,4 nm, 337,1 nm, 351,8 nm, ...
B-X (3,9) band starting at 261,9 nm	261,9 nm deg. to the red	194,7 nm, 200,8 nm, 207,2 nm, 213,9 nm, 220,9 nm, 228,3 nm, 236,1 nm, 244,2 nm, 252,8 nm, 261,9 nm, 271,5 nm, 281,7 nm, 292,4 nm, 303,8 nm, 315,9 nm, 328,7 nm, …
B-X (1,8) band starting at 261,5 nm	261,5 nm deg. to the red	199,8 nm, 206,2 nm, 213,0 nm, 220,0 nm, 227,5 nm, 235,3 nm, 243,6 nm, 252,3 nm, 261,5 nm, 271,2 nm, 281,5 nm, 292,4 nm, 304,0 nm, 316,4 nm, 329,5 nm, 343,5 nm, …
B-X (2,8) band starting at 257,0 nm	257,0 nm deg. to the red	197,2 nm, 203,4 nm, 210,0 nm, 216,9 nm, 224,1 nm, 231,7 nm, 239,7 nm, 248,1 nm, 257,0 nm, 266,4 nm, 276,3 nm, 286,9 nm, 298,0 nm, 309,8 nm, 322,4 nm, 335,8 nm, …
B-X (0,7) band starting at 256,7 nm	256,7 nm deg. to the red	202,6 nm, 209,2 nm, 216,1 nm, 223,4 nm, 231,1 nm, 239,2 nm, 247,7 nm, 256,7 nm, 266,3 nm, 276,4 nm, 287,1 nm, 298,4 nm, 310,5 nm, 323,4 nm, 337,1 nm, 351,8 nm, ...