Yerevan bars - Test

Two bars (Y04 and Y05) from Yerevan Institute in Armenia, previously used in BigCal of GEp(3) were tested making use of the new lamps and the lamps used in GEp(3). This was a first approach to compare how good is the improvement of the new lamps.

The bars have a dimensions of 4.0 x 4.0 x 40 <math>cm^3</math>. Y04 was irradiated at the RadCon facilities in JLab under <math>^{137}Cs</math> for ~70h. Y05 was irradiated for 68h. The dose rate is 280Rad/h.

Y04 was bleached using the old lamp and Y05 with the new one, in different sessions for an accumulated time of 10h.

Measurement	Y04 (bleached with old lamp)	Y05 (bleached with new lamp)
Transversal Transmission vs wavelength	Fig.5 ID06 bar, transmission vs depth. 8h accumulated UV sessions	Fig.5 ID06 bar, transmission vs depth. 8h accumulated UV sessions
bottom-left-cell	Fig.5 ID06 bar, transmission vs depth. 8h accumulated UV sessions	Fig.5 ID06 bar, transmission vs depth. 8h accumulated UV sessions
bottom-left-cell	bottom-center-cell	bottom-right-cell
bottom-left-cell	bottom-center-cell	bottom-right-cell
bottom-left-cell	bottom-center-cell	bottom-right-cell