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.
For instance, in the Province of British Columbia an engineering graduate with four or more years of post graduate experience in an engineering-related field and passing exams in ethics and law will need to be registered by the Association for Professional Engineers and Geoscientists in order to become a Professional Engineer and be granted the professional designation of P.Eng allowing one to practice engineering.