Advanced Photonic Crystals (APC) is engaged in the business of providing solid state crystals of high quality for use in lasers, photonics and optoelectronics. APC's proprietary technology is licensed on an exclusive basis from Clemson Universiy. The technology provides a unique capability to produce and grow crystals in the qualtity and quality demanded by laser and detector technology being used in the optical communications, medical, defense and home land security industries