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Time LOG

**SICCA J26**
Date	Experimenter(s)	Description	Comments
03/09/2016	Salina	Pictures	Documentation of crystal's conditions as it arrived at CUA.
03/09/2016	Marco and Salina	Dimensions	Crystal's dimensions measured. Length and six points of width (3 in each face).
03/18/2016	Marco	Thermal annealing	Ramp up at 18oC/hour up to 200oC. Stays for 10 hours and ramp down at 18oC/hour.
03/30/2016	Salina	Light Yield	Run 3166: crystal wrapped with ~5 layers of teflon tape and 2 layers of black tape. Steps of 20min, 1cm. T=18oC. LY = 10.87 pe/MeV.
05/19/2016	Salina	Transverse Transmittance	At the center of the crystal, every nm from 200nm until 800nm. Sample: 1345
05/20/2016	Marco	Transverse Transmittance Scan	Wavelengths: 360nm, 420nm, 620nm. Sampling period: 0.6s, moving motor at 2mm/s.
07/06/2016	Summer Students	Longitudinal Transmittance Scan	Wavelengths: 200-800nm. Sampling period: 0.6s, moving motor at 2mm/s.
07/21/2016	Summer Students	Light Yield	Run:3236 ~3layers of teflon tape and 1 layer of black tape. ~50,000 incidents recorded at ~18 degrees Celsius. LY: 7.36 phe/MeV
07/27/2016	Summer Students	X-ray Irradiation	160kV 6.3mA 70 minutes. 14.16 cm for LabJack on shelf 8. 6290R/min ionization rate.
07/27/2016	Summer Students	Transverse Transmittance	10cm down crystal. Wavelengths: 200-800nm.
07/27/2016	Summer Students	LED curing	7 minutes with 34 blue LEDs. 3.5 V. Millipore cover placed over lights and crystal.
07/27/2016	Summer Students	Transverse Transmittance	Wavelenghts: 200-800nm. 10 cm down crystal.
08/10/2016	Summer Students	Light Yield	Run:3395 ~3layers of teflon tape and 1 layer of black tape. ~50,000 incidents recorded at ~18 degrees Celsius. LY: 9.62 phe/MeV