| Date
|
Description
|
Comments
|
| 12/14/2015 |
Pictures |
Documentation of crystal's conditions as it arrived at CUA.
|
| 01/28/2016 |
Thermal annealing |
Ramp up at 18oC/hour up to 200oC. Stays for 10 hours and ramp down at 18oC/hour.
|
| 02/25/2016 |
Light Yield |
Run 3145: crystal wrapped with ~5 layers of teflon tape and 2 layers of black tape. Steps of 20min, 1cm. T=18oC. LY = 15.97 pe/MeV.
|
| 03/04/2016 |
Transverse Transmittance |
At the center of the crystal, every nm from 200nm until 800nm. Sample: 1312
|
| 03/04/2016 |
Dimensions |
Crystal's dimensions measured. Length and six points of width (3 in each face).
|
| 05/23/2016 |
Transverse Transmittance Scan |
Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
|
| 07/06/2016 |
Longitudinal Transmittance Scan |
Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
|
| 07/15/2016 |
Longitudinal Transmittance Scan |
Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
|
| 07/21/2016 |
Longitudinal Transmittance Scan |
Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
|
| 07/20/2016 |
Transverse Transmittance |
Wavelengths: 200-800nm. 10cm down crystal.
|
| 07/23/2016 |
Light Yield |
Run:3242 3 layers of teflon tape and 1 layer of elecrtical. ~50,000 incidents recorded at ~18 degrees Celsius.
|
| 07/28/2016 |
X-ray Irradiation |
160kV, 6.3mA, 70 minutes. 6290R/min ionization rate.
|
| 07/28/2016 |
Transverse Transmittance |
At 10cm. 200-800nm wavelength.
|
| 07/28/2016 |
LED curing |
7 minutes with 34 blue LEDs. 3.5 V. Millipore cover placed over lights and crystal.
|
| 07/28/2016 |
Transverse Transmittance |
At 10cm. 200-800nm wavelength.
|
| 07/28/2016 |
LED curing |
7 more minutes (14 minutes total) with 34 blue LEDs. 3.5 V. Millipore cover placed over lights and crystal.
|
| 07/28/2016 |
Transverse Transmittance |
At 10cm. 200-800nm wavelength.
|
| 07/28/2016 |
LED curing |
7 more minutes (21 minutes total) with 34 blue LEDs. 3.5 V. Millipore cover placed over lights and crystal.
|
