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Time LOG

SICCA J22

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.
02/29/2016	Marco	Light Yield	Run 3146: crystal wrapped with ~5 layers of teflon tape and 2 layers of black tape. Steps of 20min, 1cm. T=18oC. LY = 14.495 pe/MeV.
03/04/2016	Marco	Transverse Transmittance	At the center of the crystal, every nm from 200nm until 800nm. Sample: 1311
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: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
07/11/2016	Summer Students	Longitudinal Transmittance Scan	Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
07/18/2016	Summer Students	Transverse Transmittance Scan	Wavelengths: 360nm, 420nm, 620nm. Sampling period: 0.6s, moving motor at 2mm/s.
07/21/2016	Summer Students	Xray Radiation	70 minutes, 160mV, 6mA. 8th Shelf, 14.16cm LabJack height.
07/21/2016	Summer Students	Transverse Transmittance Scan	Wavelengths: 200-800 nm. Sampling period: 0.6s, moving motor at 2mm/s.
07/26/2017	Summer Students	Transverse Transmittance Scan	Wavelengths: 200-800 nm. 10cm down.
07/26/2017	Summer Students	Xray Radiation	70 minutes, 160mV, 6mA. ___ mm from beam origin.
07/26/2017	Summer Students	Transverse Transmittance Scan	Wavelengths: 200-800 nm. 10cm down.
07/26/2017	Summer Students	LED curing	34 LEDs, 3.5 V for 7 minutes.
07/26/2017	Summer Students	Transverse Transmittance Scan	Wavelengths: 200-800 nm. 10cm down.

Pictures at 12/14/2015

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Radiation Hardness

07/29/2016

LED Curing

07/29/2016

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