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Thermal Temperature Measurements of Plasma Torch by Alexandrite Effect Spectropyrometer
spectropyrometer spectral power thermal plasma
2011/4/21
An alexandrite effect spectropyrometer is used to directly measure the thermal temperature of an argon gas plasma jet from a 100 kW DC plasma torch, and the directly measured thermal temperature...
Optical Pulse Coding Applied to Distributed Temperature Sensor Using Coherent Detection of Spontaneous Brillouin Frequency Shift
Optical Pulse Coding Applied Distributed Temperature Sensor Spontaneous Brillouin Frequency Shift
2015/8/3
A 53-km Simplex-coded distributed temperature sensor based on coherent detection of Brillouin frequency shift is demonstrated with 1.1 K and 35 m resolutions, using only 10 mW input peak power.