| Date
|
Description
|
Comments
|
| 05/02/2016 |
Pictures |
Documentation of crystal's conditions as it arrived at CUA.
|
| 05/02/2016 |
Thermal annealing |
Ramp up at 18°C/hour up to 200°C. Stays for 10 hours and ramp down at 18°C/hour.
|
| 05/12/2016 |
Light Yield |
Run 3207: crystal wrapped with ~5 layers of teflon tape and 2 layers of black electrical tape. Steps of 20min, 1cm. T=18°C. LY = 21.137 ± 0.793 pe/MeV.
|
| 05/19/2016 |
Transverse Transmittance |
At the center of the crystal, every nm from 200nm until 800nm. Sample: 1361
|
| 05/20/2016 |
Transverse Transmittance Scan |
Wavelengths: 360nm, 420nm, 620nm. Sampling period: 0.6s, moving motor at 2mm/s.
|
| 07/07/2016 |
Longitudinal Transmittance Scan |
Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
|
| 07/25/16 |
Light Yield |
Run: 3251. 3 layers of teflon 1 later of electrical. ~50,000 incidents at ~18 degrees Celsius.
|
| 07/27/16 |
Light Yield |
Run: 3275-3280, 3282, 3283. 3 layers of teflon 1 later of electrical. ~50,000 incidents at ~18 degrees Celsius. 200ns gatewidth->1000ns gatewidth.
|
