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다이오드 레이저를 이용한 사각로 내 O<SUB>2</SUB> 및 온도 측정에 관한 연구
윤성운(Sungwoon Youn),신명철(Myoungchul Shin),김세원(Sewon Kim),이창엽(Chanyeop Lee) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
Controlling oxygen concentration in heating furnace is the most important factor in the steel making progress. Tunable diode laser absorption spectroscopy sensor is applied to measure the oxygen concentration and temperature in lab-scale electric furnace. A DFB type diode laser of 760nm line centre frequency is used to measure oxygen concentration and temperature is measured using a pair of oxygen transitions near 760nm Scanned-wavelength direct absorption spectroscopy method is applied and experimental data are obtained. As part of the sensor development effort, fundamental spectroscopic parameters including the line strength, absorption, line centre frequency are measured to improve the current databases.