TTI's mission is to provide world-class test and measurement designs in the industries we serve, including Fiber Optics and Photonics technologies, and to continue with our passion for producing the highest quality equipment solutions in these industries. This is our commitment to excellence for our customers, employees, stakeholders and the communities in which we thrive. Our technology and product development experiences include design and marketing the world's first commercial processor driven Optical Time Domain Reflectometer. Other historic developments include Radiometric Energy and Power Meters, Optical Choppers, Space Probe Mission Sensors, and the industry standard Electrically Calibrated Pyroelectric Radiometer. Over the decades we continued developing and refining our technologies with recent introductions in our full line of fiber optic test equipment including state-of-the-art Optical Time Domain Reflectometers, handheld Optical Spectrum Analyzers, CWDM Channel Analyzers, Tunable Laser Sources and advanced autotest/autowave Loss Test Sets. We also have a full line of optical to electrical converters, fiber optic links and a fiber optic video link system. We offer an optical chopper, laser power and energy meter, a fiber optic laser tachometer, photodiode transimpedance amplifier, and various other custom opto-electronic products. Terahertz Technologies is a part of TREND Networks.