Carbon Monoxide (CO) - LIF:

Transition: B1S+ - X1S+ (0,0) and (1,1) bands of CO (two-photon LIF)

Appearance of the CO B-X bands: Degraded to the violet

Excitation wavelength: 230,5 to 229,5 nm

Gas composition: carbon monoxide/nitrogen (CO/N2) , 250 ppm CO

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Grating: 100 lines/mm, only UV excitation, Emissions: 190 to 605 nm, glass filter in front of spectrograph

EES, point of measurement:

   center (center of the nozzle)

Excitation wavelength:

   UV:  230,34 nm to 209,94 nm

   VIS: no VIS excitation

Emission wavelength:

  190 nm to 605 nm

Single Image:

   local distribution of signals 2 mm above the nozzle

Excitation wavelength:

   UV: 230,11 nm

   VIS: no UV excitation

  

Detected signals:

   CO-LIF B-X / from B-X (0,0) excitation:

(two-photon LIF - Hopfield-Birge bands, starting at 230,11 nm, degraded to the violet)

   CO-LIF emissions (from B-X (0,0) excitation):

CO-LIF Angstrom bands: 451 nm, 483 nm, 520 nm, 561 nm, ...

further emissions: 336 nm, 356 nm, 389 nm, 405 nm, 427 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: 9,8 / entrance slit: 150 mm /sum of pulses: 50 /

UV pulse energy:  about 4,1 to ... mJ/pulse

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