Diode-pumped cold-redundant Nd:YAG laser with integrated beam expander optics,
providing 50 mJ at 10 Hz. The Mercury flight system will be encapsulated in dry
synthetic air to mitigate the effects of contamination-initiated laser-induced damage.
(Photo courtesy of Cassidian Optronics GmbH, Oberkochen, Germany). For details, see
Kallenbach et al., pp. 8732-8746.