Figure 2
(a) White-beam X-ray topography of the (022) reflection of E6 diamond used for the 16-pixel detector; (b) birefringence image of E6 diamond used for the 16-pixel detector; (c) birefringence image of IIa diamond used for the 1024-pixel detector; (d) white-beam X-ray topography of the (220) reflection of an unqualified diamond due to several electrical active defects in the center area. |