- Luna Optoelectronics is a leading supplier of opto-electronic solutions and Terahertz sensors and instrumentation to a global OEM customer base. Our solutions are based on our patented high speed optical receivers in III-V materials in APD and PIN configurations and silicon Large Area Avalanche Photodiode (LAAPD), PIN photodiode and FILTRODE® detectors. The Terahertz sensor product line is targeted to the Non-Destructive Testing (including Baggage/Cargo Scanning) and Quality Control markets. Our served markets are: Telecom, Homeland Security, Military, Medical, and Industrial/NDT.