Dr. Cristina Popa (Achim) graduated from the Faculty of Physics, University of Bucharest in 2006, and has a PhD in Physics obtained at the University of Bucharest in 2011. Since 2006 work as a researcher at the Department of Lasers, National Institute for Laser Plasma and Radiation Physics, Lasers in Life Sciences, Environment and Manufacturing Group, Romania. Her recent research interests mainly focus on gas detection, the development of photoacoustic products, and their applications in Physics and life sciences, including environmental, plant, and breath monitoring. Her expertise includes networking and setting up studies to test and demonstrate an optical system based on the detection of various gaseous molecules under laboratory conditions.