Hydroxyl Radical (OH) - LIF:

Transition: A2S+ - X2P (1,0) and (2,1) bands of OH

Appearance of the OH A-X system: Degraded to the red

Excitation wavelength: 302,0 to 278,5 nm

Flame/Burner: acetylene/oxygen (C2H2/O2) flame of a welding torch

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Grating: 100 lines/mm, UV and VIS excitation, Emissions: 220 to 635 nm

EES, point of measurement:

   off-center (outer range of the flame)

Excitation wavelength:

   UV:  300,00 nm to 274,00 nm

   VIS: 600,00 nm to 548,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   220 nm to 635 nm

EES, point of measurement:

    center  (inner cone of the flame)

Excitation wavelength:

   UV:  300,00 nm to 274,00 nm

   VIS: 600,00 nm to 548,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   220 nm to 635 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 281,01 nm

   VIS: 562,02 nm

  (UV and VIS simultaneously)

Detected signals:

   Rayleigh scattering: UV and VIS

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

(starting at: 278,5 nm (1,0) and 287,4 nm (2,1))

   OH-LIF A-X emissions:

(261 - 270 nm, 278 - 300 nm, 302 - 333 nm, 342 - 359 nm, 405 nm)

   Rayleigh and OH-LIF in 2nd order

Detected signals:

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

   C2-LIF d-a / from d-a (0,2), (1,3), (2,4) ... excitations

      (Swan bands, starting at 618,6 nm (309,3 nm))

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

      (Swan bands, starting at 563,0 nm (281,5 nm))

   C2-LIF / Swan band emissions:

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

   C2-LIF / Deslandres d'Azambuja band emissions:

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

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

   broadband fluorescence of hydrocarbon species:

      (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:

Download ASCII file:

Download Davis file:

Download ASCII file:

CCD dynamic: 12 bit / ICCD gain: 9,0 / entrance slit: 80 mm / sum of pulses: 20 /

UV pulse energy: about 1,7 to 2,5 mJ/pulse

   

Grating: 100 lines/mm, only UV excitation, Emissions: 220 to 635 nm

EES, point of measurement:

   off-center (outer range of the flame)

Excitation wavelength:

   UV:  300,00 nm to 274,00 nm

   VIS: no VIS excitation

Emission wavelength:

   220 nm to 635 nm

EES, point of measurement:

    center  (inner cone of the flame)

Excitation wavelength:

   UV:  300,00 nm to 274,00 nm

   VIS: no VIS excitation

Emission wavelength:

   220 nm to 635 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 284,13 nm

   VIS: no VIS excitation

  

Detected signals:

   Rayleigh scattering: UV

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

(starting at: 278,5 nm (1,0) and 287,4 nm (2,1))

   OH-LIF A-X emissions:

(261 - 270 nm, 278 - 300 nm, 302 - 333 nm, 342 - 359 nm, 405 nm)

   Rayleigh and OH-LIF in 2nd order

Detected signals:

   Rayleigh scattering: UV

   OH-LIF A-X / from A-X (1,0) excitation

   C2-LIF / Deslandres d'Azambuja band emissions:

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

   C2-LIF / Swan band emissions:

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

   broadband fluorescence of hydrocarbon species:

      (300 nm to 450 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: 8,5 / entrance slit: 80 mm / sum of pulses: 20 /

UV pulse energy: not measured

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