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.
1. 'engineer'. An engineer is a skilled person who uses scientific knowledge to design and construct machinery, electrical devices, or roads and bridges. He trained as a civil engineer and worked on the M4 motorway. ...a brilliant young mining engineer. An engineer is also a person who repairs mechanical or electrical devices. The telephone engineer can't come until Wednesday. In American English, a person who drives a train is also called an engineer. An engineer pulled his freight train into a siding.