Peak-to-valley Vs RMS

[hmtad name=”Adsense Unit 2″ align=”center”][hmtad name=”Adsense Unit 2″ align=”center”]What is an optic surface figure? The surface figure, or surface quality or surface cosmetics all refer to the deviation between an actual optic and its ideal surface. There are basically two set of information that are commonly given by manufacturers: the surface flatness and what is […]
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How to choose your optical substrate

This is the material from which an optic is made. Although any material which is transparent at the working wavelength can be used as an optical substrate, materials such as plastic or common glass have poor reliability.
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