Testing equipment is one segment of the optical networking market expected to experience steady growth over the next three years. According to Frost & Sullivan, the optical testing market is currently estimated at $2.3 billion and expected to grow to nearly $4 billion by 2004. Circadiant is introducing a new class of test equipment, designed for current and future market needs, that will help optical equipment and component vendors enhance productivity, ensure product quality and decrease time-to-market.