| Date
|
Description
|
Comments
|
| 04/29/2016 |
Pictures |
Documentation of crystal's conditions as it arrived at CUA.
|
| 04/29/2016 |
Thermal annealing |
Ramp up at 18oC/hour up to 200oC. Stays for 10 hours and ramp down at 18oC/hour.
|
| 05/15/2016 |
Crystal Cracked |
Crystal was slightly cracked toward the edges due to an accident. Some pieces of this crystal will be used to measure the chemical composition.
|
| 05/19/2016 |
Light Yield |
Run 3214: crystal wrapped with ~5 layers of teflon tape and 2 layers of black electrical tape. Steps of 20min, 1cm. T=18°C. LY = 14.7962 ± 0.575 pe/MeV.
|
| 05/20/2016 |
Transverse Transmittance |
At the center of the crystal, every nm from 200nm until 800nm. Sample: 1366
|
| 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.
|
