File name: readme.txt
Paper title: Development of miniaturized, spectroscopically assisted Penning gauges for fractional helium and hydrogen neutral pressure measurements
Authors: K. Flesch, T. Kremeyer, O. Schmitz, V. Soukhanovskii, U. Wenzel

Data file descriptions

Figure 1
PenningGaugeAssembly.jpg

Figure 2.a
TubeAnode.tif

Figure 2.b
DoubleRing.tif

Figure 2.c
SingleRing.tif

Figure 3.a
TubeCurrent.txt*
Measured current (mA) for the tube anode at 1500, 2000, 2750, 3500, and 5000 V sweeping pressure up and down
Column 1: Pressure (mbar)
Column 2: Current (mA) at 1500 V, pressure sweep up
Column 3: Current (mA) at 1500 V, pressure sweep down
Column 4: Current (mA) at 2000 V, pressure sweep up
Column 5: Current (mA) at 2000 V, pressure sweep down
Column 6: Current (mA) at 2750 V, pressure sweep up
Column 7: Current (mA) at 2750 V, pressure sweep down
Column 8: Current (mA) at 3500 V, pressure sweep up
Column 9: Current (mA) at 3500 V, pressure sweep down
Column 10: Current (mA) at 5000 V, pressure sweep up
Column 11: Current (mA) at 5000 V, pressure sweep down

Figure 3.b
DoubleRingCurrent.txt*
Measured current (mA) for the double ring anode at 1500, 2000, 2750, 3500, and 5000 V sweeping pressure up and down
Column 1: Pressure (mbar)
Column 2: Current (mA) at 1500 V, pressure sweep up
Column 3: Current (mA) at 1500 V, pressure sweep down
Column 4: Current (mA) at 2000 V, pressure sweep up
Column 5: Current (mA) at 2000 V, pressure sweep down
Column 6: Current (mA) at 2750 V, pressure sweep up
Column 7: Current (mA) at 2750 V, pressure sweep down
Column 8: Current (mA) at 3500 V, pressure sweep up
Column 9: Current (mA) at 3500 V, pressure sweep down
Column 10: Current (mA) at 5000 V, pressure sweep up
Column 11: Current (mA) at 5000 V, pressure sweep down

Figure 3.c
SingleRingCurrent.txt*
Measured current (mA) for the single ring anode at 1500, 2000, 2750, 3500, and 5000 V sweeping pressure up and down
Column 1: Pressure (mbar)
Column 2: Current (mA) at 1500 V, pressure sweep up
Column 3: Current (mA) at 1500 V, pressure sweep down
Column 4: Current (mA) at 2000 V, pressure sweep up
Column 5: Current (mA) at 2000 V, pressure sweep down
Column 6: Current (mA) at 2750 V, pressure sweep up
Column 7: Current (mA) at 2750 V, pressure sweep down
Column 8: Current (mA) at 3500 V, pressure sweep up
Column 9: Current (mA) at 3500 V, pressure sweep down
Column 10: Current (mA) at 5000 V, pressure sweep up
Column 11: Current (mA) at 5000 V, pressure sweep down

Figure 4
Upper left - He587Intensity.txt*
Spectrometer intensity for He 587 nm emission at 1x10e-3 mbar at various voltages
Column 1: Anode type
Column 2: Intensity (AU) at 2000 V
Column 3: Intensity (AU) at 3000 V
Column 4: Intensity (AU) at 4000 V
Column 5: Intensity (AU) at 5000 V
Upper right - He667Intensity.txt*
Spectrometer intensity for He 667 nm emission at 1x10e-3 mbar at various voltages
Column 1: Anode type
Column 2: Intensity (AU) at 2000 V
Column 3: Intensity (AU) at 3000 V
Column 4: Intensity (AU) at 4000 V
Column 5: Intensity (AU) at 5000 V
Lower Left – He706Intensity.txt*
Spectrometer intensity for He 706 nm emission at 1x10e-3 mbar at various voltages
Column 1: Anode type
Column 2: Intensity (AU) at 2000 V
Column 3: Intensity (AU) at 3000 V
Column 4: Intensity (AU) at 4000 V
Column 5: Intensity (AU) at 5000 V
Lower Right – He728Intensity.txt*
Spectrometer intensity for He 728 nm emission at 1x10e-3 mbar at various voltages
Column 1: Anode type
Column 2: Intensity (AU) at 2000 V
Column 3: Intensity (AU) at 3000 V
Column 4: Intensity (AU) at 4000 V
Column 5: Intensity (AU) at 5000 V

Figure 5.a
TubeFieldLines.tif

Figure 5.b
DoubleRingFieldLines.tif

Figure 5.c
SingleRingFieldLines.tif

*any empty cell indicates no plasma discharge could be attained for that combination of pressure and voltage