Advanced Energy introduced the Sekidenko 4100T pyrometer. A drop-in replacement for Advanced Energy?s market-leading OR4000T, the 4100T optical fiber thermometer (OFT) delivers exceptional temperature measurement accuracy, a wider temperature range and simultaneous multi-channel maximum read speed for semiconductor and adjacent thin-film applications. Up to four different temperatures can be measured simultaneously using the 4100T, which reduces the number of control boxes required for multi-point control, shrinks the form factor and delivers cost-saving benefits. The high read rate of up to 1 kHz per channel enables faster thermal response for better temperature control and uniformity of applications such as rapid thermal processing, laser annealing, atomic layer deposition and other advanced deposition technologies. The multi-channel OFT with application-specific, configurable wavelength provides exceptional accuracy, repeatability, reliability and fast read rates for the most demanding temperature measurements. Traditional thermocouple and other contact sensor measurements are undesirable for applications where physical contact with the wafer can cause damage, contamination or measurement errors due to heat transfer effects. The 4100T measures temperature directly with ?1.5?C accuracy in situ without making contact with the object of interest. In addition to eliminating these potential contact measurement issues, the 4100T is also an optimal solution for applications where the wafer is in motion or is being processed at very high temperatures or high ramp rates.