Affiliation: | 1. Saint Petersburg National Research University of Information Technologies, Mechanics and Optics, Saint‐Petersburg, Russian Federation;2. Research‐Educational Institute of Optics and Biophotonics, Saratov State University, Saratov, Russian Federation;3. Institute of Precise Mechanics and Control of Russian Academy of Sciences, Saratov, Russian Federation;4. Laboratory of Biophotonics, Tomsk State University, Tomsk, Russian Federation |