PDF Biography khachatur.julfakyan@ysu.am Research Institute of Physics Laboratory of Optoelectronics and Photonics 约崭謧盏战斋 铡占铡栈铡栅榨沾 寨铡占铡站铡謤沾铡斩 窄崭謧沾闸 Junior Researcher Institute of Physics Chair of Optics and Photonics Lecturer on an hourly basis Personal information Date of birth 1981