The Web site of Advanced Photonix Inc. provides information on the company’s products and technologies for both investors and design engineers. The company supplies terahertz instrumentation and optoelectronic components, subsystems and systems for OEM customers. Its products have applications in telecommunications, national security, and military, medical, industrial and nondestructive testing markets. The revised site is designed to reflect the company’s completion of four acquisitions over three years, which has expanded its capabilities, markets and global network. Sales partners have provided links to their Web sites to facilitate customer service.