Optical Materials. Precision Micro-Optics not only servers you with quality products but also provides you the material properties of these products. You will find all widely used optical grade materials here including optical glass, low expansion materials, IR materials, crystals.
If what you do meets all three tests, you are practising professional engineering and must be licensed by the association. Professional engineers work to guarantee the public's safety and promote its interest where engineering matters are concerned.
A Professional Engineer (PE) is someone who is professionally licensed by a State, typically as a Civil Engineer in the building industry. This license allows the PE to work on all non-essential facilities as described by each State (generally less than 4 stories but no hospitals, fire stations, etc.).