The second exhibition of Laser Science and Technology Achievements will take place at the Persian Gulf Hall in Tehran international permanent fairground, from January 15-18. The exhibition will showcase a set of technological infrastructure for lasers in the fields of crystal growth, optics, mechanics, electronics and metallurgy, Mehr News Agency reported. It also features a section on nanotechnology, biophotonics, spectroscopy, and material processing. Medical and industrial lasers, as well as laser research resources will also be displayed, including 40 different types of milliwatt to kilowatt lasers.