Hydroxyl Radical (OH) - LIF:

Transition: A2S+ - X2P (3,0) and (4,1) bands of OH

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

Excitation wavelength: 259,0 to 243,0 nm

Flame/Burner: hydrogen/oxygen (H2/O2) flame of a welding torch

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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:  259,00 nm to 252,50 nm

   VIS: 518,00 nm to 505,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   190 nm to 605 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 253,68 nm

   VIS: 507,36 nm

   (UV and VIS simultaneously)

Detected signals:

   Rayleigh scattering: UV and VIS

   OH-LIF A-X / from A-X (3,0) and (4,1) excitations:

(starting at: 244,3 nm (3,0))

   OH-LIF A-X emissions:

(265 - 275 nm, 281 - 303 nm, 305 - 330 nm)

   NO-LIF A-X / from A-X (0,3) and (1,4) excitations:

(starting at 259,5 nm (0,3) and 255,8 nm (1,4))

   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, 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: 

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

UV pulse energy: about 3,2 to 3,7 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:  253,00 nm to 243,00 nm

   VIS: 506,00 nm to 486,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   190 nm to 605 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 244,78 nm

   VIS: 489,56 nm

   (UV and VIS simultaneously)

Detected signals:

   Rayleigh scattering: UV and VIS

   OH-LIF A-X / from A-X (3,0) and (4,1) excitations:

(starting at: 244,3 nm (3,0))

   OH-LIF A-X emissions:

(265 - 275 nm, 281 - 303 nm, 305 - 330 nm)

   hot O2-LIF (see also chapter O2)

   Rayleigh, O2 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: 9,9 / entrance slit: 80 mm / sum of pulses: 50 / 

UV pulse energy: not measured

   

Grating: 100 lines/mm, UV and VIS excitation, Emissions: 180 to 570 nm, CCD dynamic: 16 bit, Laser beam 60 mm above torch, cone height: 20 mm

EES, point of measurement:

   off-center (outer range of the flame)

   laser beam 60 mm above torch, cone height: 20 mm

Excitation wavelength:

   UV:  250,00 nm to 237,00 nm

   VIS: 500,00 nm to 474,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   180 nm to 570 nm

EES, point of measurement:

    center  (inner range of the flame)

   laser beam 60 mm above torch, cone height: 20 mm

Excitation wavelength:

   UV:  250,00 nm to 237,00 nm

   VIS: 500,00 nm to 474,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   180 nm to 570 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 246,96 nm

   VIS: 493,92 nm

   (UV and VIS simultaneously)

Detected signals:

   Rayleigh scattering: UV and VIS

   OH-LIF A-X / from A-X (3,0) excitation:

(starting at: 244,3 nm (3,0))

   OH-LIF A-X emissions:

(265 - 275 nm, 281 - 303 nm, 305 - 330 nm)

   NO-LIF A-X / from A-X (0,2) and (1,3) excitations:

(starting at 247,8 nm (0,2) and 244,6 nm (1,3))

   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)

   OH self emission (at about 310 nm)

   Rayleigh, NO-LIF, O2-LIF and OH-LIF in 2nd order

Detected signals:

   Rayleigh scattering: UV and VIS

   OH-LIF A-X / from A-X (3,0) excitation

   NO-LIF A-X / from A-X (0,2) and (1,3) excitations   

   hot O2-LIF

   OH self emission (at about 310 nm)

   Rayleigh, NO-LIF, O2-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:

Download Davis file:

Download ASCII file:

CCD dynamic: 16 bit / ICCD gain: 8,0 / entrance slit: 80 mm / sum of pulses: 80 /

UV pulse energy: about  4,6 to 4,1 mJ/pulse

   

Grating: 100 lines/mm, UV and VIS excitation, Emissions: 180 to 600 nm, Laser beam 40 mm above torch, cone height: 20 mm

EES, point of measurement:

   center (center of the flame)

Excitation wavelength:

   UV:  251,00 nm to 242,00 nm

   VIS: 502,00 nm to 484,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   180 nm to 600 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 246,53 nm

   VIS: 487,06 nm

   (UV and VIS simultaneously)

Detected signals:

   Rayleigh scattering: UV and VIS

   OH-LIF A-X / from A-X (3,0) and (4,1) excitations:

(starting at: 244,3 nm (3,0))

   OH-LIF A-X emissions:

(265 - 275 nm, 281 - 303 nm, 305 - 330 nm)

   NO-LIF A-X / from A-X (0,2) and (1,3) excitations:

(starting at 247,8 nm (0,2) and 244,6 nm (1,3))

   NO-LIF A-X emissions:

(260 nm, 248 nm, 237 nm, 227 nm, 215 nm)

   hot O2-LIF (see also chapter O2)

   Rayleigh, NO-LIF, O2-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: 9,7 / entrance slit: 50 mm / sum of pulses: 60 / 

UV pulse energy: not measured

   

Grating: 1200 lines/mm, UV and VIS excitation, Emissions: 205 to 240 nm

EES, point of measurement:

   center (center of the flame)

Excitation wavelength:

   UV:  251,50 nm to 241,00 nm

   VIS: 503,00 nm to 482,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   205 nm to 240 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 247,00 nm

   VIS: 494,00 nm

   (UV and VIS simultaneously)

Detected signals:

   Rayleigh scattering: UV

   NO-LIF A-X / from A-X (0,2) and (1,3) excitations:

(starting at 247,8 nm (0,2) and 244,6 nm (1,3))

   NO-LIF A-X emissions:

(starting at: 237 nm, 227 nm, 215 nm)

   hot O2-LIF (see also chapter O2)

   spectrograph error at about 249 nm ex. wavelength

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: 9,9 / entrance slit: 80 mm / sum of pulses: 50 / 

UV pulse energy: not measured

   

Grating: 1200 lines/mm, UV and VIS excitation, Emissions: 240 to 275 nm

EES, point of measurement:

   center (center of the flame)

Excitation wavelength:

   UV:  251,50 nm to 241,00 nm

   VIS: 503,00 nm to 482,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   240 nm to 275 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 247,73 nm

   VIS: 495,46 nm

   (UV and VIS simultaneously)

Detected signals:

   Rayleigh scattering: UV

   OH-LIF A-X / from A-X (3,0)excitation:

(starting at: 244,3 nm (3,0))

   OH-LIF A-X emissions:

(265 - 275 nm)

   NO-LIF A-X / from A-X (0,2) and (1,3) excitations:

(starting at 247,8 nm (0,2) and 244,6 nm (1,3))

   NO-LIF A-X emissions:

(starting at: 272 nm, 260 nm, 248 nm)

   hot O2-LIF (see also chapter O2)

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: 9,9 / entrance slit: 80 mm / sum of pulses: 50 / 

UV pulse energy: not measured

   

Grating: 1200 lines/mm, UV and VIS excitation, Emissions: 275 to 310 nm

EES, point of measurement:

   center (center of the flame)

Excitation wavelength:

   UV:  251,50 nm to 241,00 nm

   VIS: 503,00 nm to 482,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

   240 nm to 275 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 246,73 nm

   VIS: 493,46 nm

   (UV and VIS simultaneously)

Detected signals:

   OH-LIF A-X / from A-X (3,0) excitation:

(starting at: 244,3 nm (3,0))

   OH-LIF A-X emissions:

(281 - 303 nm, 305 - 330 nm)

   NO-LIF A-X / from A-X (0,2) and (1,3) excitations:

(starting at 247,8 nm (0,2))

   NO-LIF A-X emissions:

(starting at: 286 nm)

   hot O2-LIF (see also chapter O2)

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: 9,9 / entrance slit: 80 mm / sum of pulses: 50 / 

UV pulse energy: not measured

   

Grating: 1200 lines/mm, UV and VIS excitation, Emissions: 310 to 345 nm

EES, point of measurement:

   center (center of the flame)

Excitation wavelength:

   UV:  251,50 nm to 241,00 nm

   VIS: 503,00 nm to 482,00 nm

   (UV and VIS simultaneously)

Emission wavelength:

  310 nm to 345 nm

Single Image:

   local distribution of signals inside the flame

Excitation wavelength:

   UV: 247,585 nm

   VIS: 495,170 nm

   (UV and VIS simultaneously)

Detected signals:

   OH-LIF A-X / from A-X (3,0) excitation:

(starting at: 244,3 nm (3,0))

   OH-LIF A-X emissions:

(305 - 330 nm)

   hot O2-LIF (see also chapter O2)

   OH self emissions (weak)

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: 9,9 / entrance slit: 80 mm / sum of pulses: 50 / 

UV pulse energy: not measured

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