Table 1.

The value of ln(1-T(z))/ ln(I(z)) for BGO and Ag:BGO under different excitation energy.

Excitation Energy	BGO		Ag:BGO
	z < 0	z > 0	z < 0	z > 0
50 nJ	0.9	1.0	0.9	1.4
100 nJ	0.9	0.9	0.7	1.8
150 nJ	0.9	0.9	0.9	1.8
200 nJ	1.0	1.0	0.9	2.0
250 nJ	1.0	1.0	0.9	2.0