| Date
|
Description
|
Comments
|
| 03/17/2016 |
Pictures |
Documentation of crystal's conditions as it arrived at CUA.
|
| 03/18/2016 |
Thermal annealing |
Ramp up at 18oC/hour up to 200oC. Stays for 10 hours and ramp down at 18oC/hour.
|
| 04/14/2016 |
Light Yield |
Run 3189: crystal wrapped with ~5 layers of teflon tape and 2 layers of black tape. Steps of 20min, 1cm. T=18oC. Forgot to set time limit..need to re-run.
|
| 04/18/2016 |
Light Yield |
Run 3192: crystal wrapped with ~5 layers of teflon tape and 2 layers of black tape. Steps of 20min, 1cm. T=18oC. LY = 18.04 pe/MeV.
|
| 05/17/2016 |
Transverse Transmittance |
At the center of the crystal, every nm from 200nm until 800nm. Sample: 1346
|
| 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.
|
| 01/05/2017 |
Irradiation X-ray |
160 kV, 6mA, 15 min (+15min, +15min).
|
