Laue Gamma-Ray Lenses for Space Astrophysics: Status and Prospects

Table 1

The crystalline plane, the crystal size, the number of crystals per ring as well as the ring radius, and the Bragg angle at 170 keV are listed for each ring of the prototype crystal lens.

ring	Reflection [hkl]	d [hkl] [A]	Size [mm]	Number of crystals	Radius [cm]	Bragg angle at 170 keV
0	111	3.27	10×10	28	6.17	0.64
1	220	2.00	10×10	52	10.08	1.04
2	311	1.71	10×10	56	11.82	1.22
3	400	1.41	10×10	72	14.26	1.48
4	331	1.30	10×7	80	15.62	1.61
5	422	1.15	10×10	96	17.47	1.81
6	333	1.09	10×7	96	18.82	1.92
7	440	1	10×10	104	20.17	2.09