Advanced Photonic Sciences develops and manufactures laser systems and diode modules, from high-power fiber-coupled blue lasers to its ultra-narrow-linewidth Brag-Loc compact laser. Based in Friendsville, Pennsylvania, the company also supports custom laser projects and maintains a spectroscopy laboratory for characterizing laser and nonlinear materials, including measurements at cryogenic temperatures. APS additionally represents Dr. Luhs Engineering Offices in North America for educational optics and photonics modules.