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Time LOG

**SICCA J25**
Date	Experimenter(s)	Description	Comments
12/14/2015	Marco	Pictures	Documentation of crystal's conditions as it arrived at CUA.
01/28/2016	Marco	Thermal annealing	Ramp up at 18oC/hour up to 200oC. Stays for 10 hours and ramp down at 18oC/hour.
03/03/2016	Marco	Light Yield	Run 3149: crystal wrapped with ~5 layers of teflon tape and 2 layers of black tape. Steps of 20min, 1cm. T=18oC. LY = 13.07 pe/MeV.
03/04/2016	Marco	Transverse Transmittance	At the center of the crystal, every nm from 200nm until 800nm. Sample: 1308
03/04/2016	Marco and Salina	Dimensions	Crystal's dimensions measured. Length and six points of width (3 in each face).
05/23/2016	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.
07/18/2016	Summer Students	Transverse Transmittance Scan	Wavelengths: 200-800nm.
07/21/2016	Summer Students	Xray Radiation	70 minutes, 160mV, 6mA. ? mm from beam origin.
07/21/2016	Summer Students	Transverse Transmittance Scan	Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
07/27/16	Summer Students	X-Ray Radiation	160mV, 6.3 mA, 99 minutes.
07/27/16	Summer Students	Transverse Transmission	Wavelengths: 200-800nm.
07/27/2016	Summer Students	LED curing	34 LED's at 3.5 V for 7 minutes.
07/27/2016	Summer Students	Transverse Transmittance	Wavelengths: 200-800nm.