1:45 PM - 2:00 PM ▲ [17p-Z18-4] Luminescence and Optical Absorption of Porous Silicon during Electrochemical Oxidation monitored by Photoconduction 〇Bernard Gelloz1, Souki Sakata2, Lianhua Jin2 (1.Nagoya Univ., 2.Yamanashi Univ.)