Optical device for determining the situation of a diffractometer beam and the situation of a sample in a diffractometer

摘要

A centering element (26) with single-unit sample holder (30) is used for concentric mounting of a sample (32) to a rotational axis. At least a micrometer finger (36) is arranged in a region of the centering element (26), which may be positioned through a micrometer finger drive orthogonal to the rotational axis of the rotary shaft (22).