Selection of Materials for UV Optics Abstract Ultraviolet technology is seeing an increase in demand with many industries needing the ability to use non-x-ray short wavelengths. Key industries include lithography where writing smaller traces is the key to staying viable. When considering the design of ultraviolet optics, the materials available are far fewer than for …
Beryllium: Properties and Applications Introduction Beryllium is a lightweight, stiff, high thermal conductivity material which is useful in many opto-mechanical applications. Much work has been done to achieve high purity, isotropic beryllium blanks and foils. It can be challenging to work with as it can be very brittle, difficult to machine and is toxic to …
Zerodur Introduction Zerodur is the trade name of a low thermal expansion glass-ceramic composite material made by Schott Glass. This report summarizes the chemical, physical and optical properties of Zerodur and discusses the applications for which this material is suited. History Borosilicate glasses α ~ 3 ppm/°C were developed in the late 1800s. These glasses …
Lightweighted telescope mirrors: Outstanding properties of Silicon Carbide Introduction: Nowadays, the willingness to always go further in the exploration of the Space and its celestial bodies requires the observation instruments sent in the Space to continuously improve their performances. Thus, the optics needs to get bigger to achieve higher spatial resolution, accuracy or light flux …
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