4:45 PM - 5:00 PM [8p-Z16-14] Distributed temperature sensing based on multi-wavelength Brillouin scattering - Introduction of virtual synthesis Brillouin gain spectrum by spectral shaping technique. 〇Yuma Endo1, Takahiro Hasegawa1, Yosuke Tanaka1 (1.Tokyo Univ. of Agri. and Tech.)