Nitrogen Monoxide (NO) - LIF:

Transition: A2S+ - X2P (0,1) and (2,3) bands of NO

Appearance of the NO g-bands: Degraded to the violet

Excitation wavelength: 237,2 to 227,1 nm

Flame/Burner: methane/air (CH4/air) flame of a Bunsen burner

Comment:  Click on picture to enlarge it. Open files with left mouse button. Download files with right mouse button.

Grating: 100 lines/mm, UV and VIS excitation, Emissions: 175 to 565 nm, Laser beam above cone, CCD dynamic: 16 bit

EES, point of measurement:

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

Excitation wavelength:

   UV:  238,50 nm to 227,00 nm

   VIS: 477,00 nm to 454,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   175 nm to 565 nm

EES, point of measurement:

    center (inner range of the flame), above cone

Excitation wavelength:

   UV:  238,50 nm to 227,00 nm

   VIS: 477,00 nm to 454,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   175 nm to 565 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 236,00 nm

   VIS: 472,00 nm

   (UV and VIS simultaneously)

Detected signals:

   Rayleigh scattering: UV and VIS

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

(starting at 236,9 nm (0,1))

   NO-LIF A-X emissions:

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

   CO-LIF B-X / from B-X (0,0) and (1,1) excitations:

      (Hopfield-Birge bands, two-photon LIF:

       at 230,1 nm (0,0) and 230,3 nm (1,1))

   CO-LIF / Angstrom band emissions: (weak)

      (412 nm, 439 nm) from (1,1)

      (451 nm, 483 nm, 520 nm, 561 nm, 609 nm) from (0,0)

   Rayleigh and NO-LIF in 2nd order

Detected signals:

   Rayleigh scattering: UV and VIS

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

(starting at 236,9 nm (0,1))

   NO-LIF A-X emissions:

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

   CO-LIF B-X / from B-X (0,0) and (1,1) excitations:

      (Hopfield-Birge bands, two-photon LIF:

       at 230,1 nm (0,0) and 230,3 nm (1,1))

   CO-LIF / Angstrom band emissions:

      (412 nm, 439 nm) from (1,1)

      (451 nm, 483 nm, 520 nm, 561 nm, 609 nm) from (0,0)

   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: 16 bit / ICCD gain: 9,0 / entrance slit: 80 mm / sum of pulses: 80 /

UV pulse energy: about  4,3 to 3,5 mJ/pulse

   

Grating: 100 lines/mm, UV and VIS excitation, Emissions: 200 to 620 nm, Laser beam inside cone, sooting flame (CH4/air ratio > 1)

EES, point of measurement:

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

Excitation wavelength:

   UV:  238,50 nm to 227,00 nm

   VIS: 477,00 nm to 454,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   200 nm to 620 nm

EES, point of measurement:

    center (inner cone of the flame, flame front)

Excitation wavelength:

   UV: 238,50 nm to 227,00 nm

   VIS: 477,00 nm to 454,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   200 nm to 620 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 236,00 nm

   VIS: 472,00 nm

   (UV and VIS simultaneously)

Detected signals:

   Rayleigh scattering: UV and VIS

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

(starting at 236,9 nm (0,1))

   NO-LIF A-X emissions:

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

   OH self emission (at about 310 nm)

   Rayleigh and NO-LIF in 2nd order

Detected signals:

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

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

      (Swan bands, starting at 474,0 nm)

   C2-LIF / Swan band emissions:

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

    C2-LIF C-A / from C-A (0,3), (1,4) ... excitations:

      (Deslandres-d'Azambuja bands, starting at 469,7 nm)

   C2-LIF / Deslandres d'Azambuja band emissions:

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

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

      (Mullikan bands, starting at about 232 nm)

   C2-LIF / Mullikan band emissions:

      (231 nm)

   further C2-emission from Mullikan band excitation:

(334 nm, 356 nm, 378 nm, 396 nm, 420 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: 9,5 / entrance slit: 80 mm / sum of pulses: 50 /

UV pulse energy: about  4,5  to 2,9 mJ/pulse

   

Go to Excitation-Emission-Spectra Database Homepage: