Near-infrared camera for LUCI at the LBT

Sectional view of a high-resolution camera system for the LBT instrument LUCI. Both the structural elements and the mirror (main mirror at the left) were produced from an aluminum silicon alloy (AlSi40).

Construction drawing of LUCI’s high-resolution near-infrared camera.
Determination of the maximum stress in a spring element at the transition from Titanium to an Aluminum alloy at a working temperature of 60 K.
This spring emenet is employed at the interface between the primary mirror and the mount of the exit lens of the LUCI camera.
Maximum displacement of the exit lens of the LUCI camera kept in its position by spring elements.
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