Difference between revisions of "GTS meeting 10 09 17"
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* Remaining tasks before shutdown: | * Remaining tasks before shutdown: | ||
| + | # Measure lifetime for: 0 A, 50 A, 100 A, 150 A, 200 A, 300 A, 400 A (Gun HV=300 kV, I=3.0 mA) - '''''Done''''' - [https://logbooks/entry/3487283] | ||
# Measure lifetime with a larger laser size (~rms=0.5 mm) | # Measure lifetime with a larger laser size (~rms=0.5 mm) | ||
| − | |||
# Lifetime vs biased anode | # Lifetime vs biased anode | ||
# Slit-Viewer emittance measurement: Slit1 and Viewer3 with focus lens | # Slit-Viewer emittance measurement: Slit1 and Viewer3 with focus lens | ||
| − | * | + | * What is meant to measure emittance, by Cristhian Valerio, Universidad de Sinaloa, Mexico: |
| − | # | + | #[[Media:PastedGraphic-2.tiff]] |
| − | # | + | #[[Media:PastedGraphic-3.tiff]] |
| + | #[[Media:PastedGraphic-4.tiff]] | ||
| + | # But if the laser spot is off center, we are limited to measure the "system" emittance, rather than the intrinsic emittance, which would require the laser spot at the center of the cathode.[[Media:PastedGraphic-1.pdf]] | ||
Latest revision as of 10:04, 9 October 2017
- Remaining tasks before shutdown:
- Measure lifetime for: 0 A, 50 A, 100 A, 150 A, 200 A, 300 A, 400 A (Gun HV=300 kV, I=3.0 mA) - Done - [1]
- Measure lifetime with a larger laser size (~rms=0.5 mm)
- Lifetime vs biased anode
- Slit-Viewer emittance measurement: Slit1 and Viewer3 with focus lens
- What is meant to measure emittance, by Cristhian Valerio, Universidad de Sinaloa, Mexico:
- Media:PastedGraphic-2.tiff
- Media:PastedGraphic-3.tiff
- Media:PastedGraphic-4.tiff
- But if the laser spot is off center, we are limited to measure the "system" emittance, rather than the intrinsic emittance, which would require the laser spot at the center of the cathode.Media:PastedGraphic-1.pdf