Experimental analysis reveals the opto-mechanical properties of germanium, suggesting its value for NEO Surveyor mission.
Germanium is a key optical material for infrared systems due to its high refractive index and low bulk absorption in the mid- to long-wave infrared. Despite its common use in optical applications, the opto-mechanical properties are not well documented. We describe a test campaign conducted to characterize this material and qualify it for use in the Near-Earth Object (NEO) Surveyor mission.
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Scott et al. (2025) studied this question.
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