hbd-cf4transmittance (the case of the anomalous o2 spikes) hbd meeting 1/5/2010 b.azmoun, s.stoll...
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HBD-CF4Transmittance HBD-CF4Transmittance (The case of the Anomalous O2 (The case of the Anomalous O2 Spikes)Spikes)
HBD Meeting 1/5/2010HBD Meeting 1/5/2010
B.Azmoun, S.Stoll
Brookhaven National Lab
PPM History since 12/3/09PPM History since 12/3/09
No Spikes, just ppm’s getting lower as expected
Spikes Appear, and with inc. freq.
H2O
O2
2
O2 Spikes do not Correlate with HBD Diff. O2 Spikes do not Correlate with HBD Diff. Press. Press. (cause unknown, but we have theories….)(cause unknown, but we have theories….)
3
Zoom InZoom In…(Still no correlation observed)…(Still no correlation observed)
4
Compare moment spikes occur to Trans. Compare moment spikes occur to Trans. Scan ResultsScan Results
0.00
20.00
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60.00
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100.00
120.00
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
Tra
nsm
ittan
ce [%
]
Wavelength [Angstroms]
Transmittance (HBD IN) Raw Data
FIT fcn.(Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe (Fit ppms:108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
0.1 0.0100.0100.0
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_123109_02.txt
HBD-CF49.5
0.01 0.4
100.6
0.00
20.00
40.00
60.00
80.00
100.00
120.00
1100 1200 1300 1400 1500 1600 1700 1800 1900
Tran
smitt
ance
[%]
Wavelength [Angstroms]
Transmittance (HBD WEST)Raw Data
FIT fcn. (Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe(Fit ppms:108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
23.1 1.992.191.9
4.752.8 3.0
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_123109_02.txt
HBD-CF4
93.00.00
20.00
40.00
60.00
80.00
100.00
120.00
1100 1200 1300 1400 1500 1600 1700 1800 1900
Tran
smitt
ance
[%]
Wavelength [Angstroms]
Transmittance (HBD EAST) Raw Data
FIT fcn.(Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe(Fit ppms: 108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
21.0 1.492.992.8
4.752.3 1.0
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_123109_02.txt
HBD-CF4
93.5
12/31/09 Scan of HBD-CF4
Time of Scan
Note: Three Scans are done in succession:1st: Input, 2nd: West, 3rd: East5
0.00
20.00
40.00
60.00
80.00
100.00
120.00
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
Tra
nsm
ittan
ce [%
]
Wavelength [Angstroms]
Transmittance (HBD IN) Raw Data
FIT fcn.(Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe (Fit ppms:108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
1.8 1.298.998.8
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_010110_01.txt
HBD-CF49.5
0.0 0.1
98.7
0.00
20.00
40.00
60.00
80.00
100.00
120.00
1100 1200 1300 1400 1500 1600 1700 1800 1900
Tran
smitt
ance
[%]
Wavelength [Angstroms]
Transmittance (HBD WEST)Raw Data
FIT fcn. (Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe(Fit ppms:108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
23.8 2.091.991.7
4.752.9 5.4
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_010110_01.txt
HBD-CF4
92.80.00
20.00
40.00
60.00
80.00
100.00
120.00
1100 1200 1300 1400 1500 1600 1700 1800 1900
Tran
smitt
ance
[%]
Wavelength [Angstroms]
Transmittance (HBD EAST) Raw Data
FIT fcn.(Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe(Fit ppms: 108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
22.0 1.992.492.2
4.752.4 2.3
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_010110_01.txt
HBD-CF4
92.9
01/01/10 Scan of 01/01/10 Scan of HBD-CF4HBD-CF4
Note: Analyzer values are recorded at beginning of scan 6
01/03/10 Scan of HBD-CF401/03/10 Scan of HBD-CF4
0.00
20.00
40.00
60.00
80.00
100.00
120.00
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
Tra
nsm
ittan
ce [%
]
Wavelength [Angstroms]
Transmittance (HBD IN) Raw Data
FIT fcn.(Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe (Fit ppms:108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
0.8 0.099.799.7
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_010310_01.txt
HBD-CF410
0.0 0.2
100.4
0.00
20.00
40.00
60.00
80.00
100.00
120.00
1100 1200 1300 1400 1500 1600 1700 1800 1900
Tran
smitt
ance
[%]
Wavelength [Angstroms]
Transmittance (HBD WEST)Raw Data
FIT fcn. (Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe(Fit ppms:108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
20.4 1.193.293.1
5.02.3 2.6
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_010310_01.txt
HBD-CF4
94.50.00
20.00
40.00
60.00
80.00
100.00
120.00
1100 1200 1300 1400 1500 1600 1700 1800 1900
Tran
smitt
ance
[%]
Wavelength [Angstroms]
Transmittance (HBD EAST) Raw Data
FIT fcn.(Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe(Fit ppms: 108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
18.5 1.293.893.6
5.01.8 1.1
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_010310_01.txt
HBD-CF4
94.3
It seems elevated analyzer values have little effect on Trans. Results!
Note: Last scan is done at about the same time a spike appears! 7
01/04/10 Scan of HBD-CF401/04/10 Scan of HBD-CF4
0.00
20.00
40.00
60.00
80.00
100.00
120.00
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
Tra
nsm
ittan
ce [%
]
Wavelength [Angstroms]
Transmittance (HBD IN) Raw Data
FIT fcn.(Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe (Fit ppms:108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
1.6 0.699.299.2
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_010410_01.txt
HBD-CF49.5
0.0 0.9
98.0
0.00
20.00
40.00
60.00
80.00
100.00
120.00
1100 1200 1300 1400 1500 1600 1700 1800 1900
Tran
smitt
ance
[%]
Wavelength [Angstroms]
Transmittance (HBD WEST)Raw Data
FIT fcn. (Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe(Fit ppms:108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
20.3 3.592.291.9
4.752.9 2.8
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_010410_01.txt
HBD-CF4
92.10.00
20.00
40.00
60.00
80.00
100.00
120.00
1100 1200 1300 1400 1500 1600 1700 1800 1900
Tran
smitt
ance
[%]
Wavelength [Angstroms]
Transmittance (HBD EAST) Raw Data
FIT fcn.(Fit:120-180nm)
Smpl. Scan:
Ref . Scan:
Scan Type:Gas Flow: slpmAnlz: H= ppm, O= ppmTrans: H = ppm, O= ppm%Npe(Fit ppms: 108-200nm)= %Int. Trans.(Fit: 112-186nm)= %Int. Trans.(Data: 134-168nm)=
22.2 2.991.991.7
4.752.3 1.5
SpectVessel-Ar_Cells-Vac_122909_01.txt
SpectVessel-Ar_Cells-HBD-CF4_010410_01.txt
HBD-CF4
92.0
It seems elevated analyzer values have little effect on Trans. Results!
Note: 2nd scan is done at about the same time a spike appears! 8