Advanced Crystal Growth

ER Precision Optical has invested significantly in our  crystal growing facilities. With four crystal pullers, we have more than enough capacity for high volume orders.  While we specialize in optical grade Germanium and Silicon, we also offer semiconductor or electronic grade and solar grade silicon. Materials are available in full ingot form, generated blanks, or as finished product. We have a full metrology lab and offer Certificates of Conformance for all our material upon request to assure your specifications are met.

Our Kayex (CZ) models are capable of growing 10″ diameter ingots with modified growing techniques. ERPOC can also regrade your old materials, saving you money. ER Precision Optical remains committed to the highest level of quality at the most competitive prices. We are your true ITAR compliant supplier for critical IR materials. ERPOC is the only company to grow and manufacture both these critical IR crystals in the USA.