Inrad Optics, Inc. (Ticker: PHPG) manufactures and supplies precision optical components and OEM modules for laser and electro-optical applications. The company offers custom and standard products including ultraviolet (UV) to infrared (IR) optical crystals such as beta barium borate (BBO), lithium triborate (LBO), and alpha barium borate (α-BBO); nonlinear optical crystals for frequency conversion; polarizing optics like Glan polarizers and Brewster windows; and beam delivery components including monolithic optical assemblies and opto-mechanical modules. Inrad Optics provides thin-film coatings, diamond turning services, and precision fabrication capabilities; its products serve markets in scientific research, industrial lasers, aerospace and defense, and semiconductor inspection, with customers including national laboratories, universities, and OEMs worldwide. Founded in 1971 and headquartered in Northvale, New Jersey, the company operates primarily from facilities in the United States with global distribution. In recent developments within the last two years, Inrad Optics has focused on expanding its precision optics portfolio through investments in advanced manufacturing technologies, though no major publicly announced acquisitions, funding rounds, partnerships, or name changes have been reported as of late 2025.