The Institute of Spectroscopy Russian Academy of Sciences (ISAN) (in some sources the abbreviation used is ISAS, IS RAS) is a Russian research institution located in Troitsk, Moscow ISAN educational activity includes a program for Diploma Students, Ph.D. and Doctorals for science, R&D and industry. The "Chair of Nanooptics and Spectroscopy" of Moscow Institute of Physics and Technology and the "Chair of Quantum Optics and Photonics" at the National Research University Higher School of Economics (HSE) are based at ISAN.D.
