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Passive Q switching by heated CO2
Affiliation:1. Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro Seodaemungu, Seoul 120-749, Republic of Korea;2. POSCO, Goedong-dong, Nam-gu, Pohang, Gyeongbuk 790-300, Republic of Korea;1. School of Life Science, Shanxi Datong University, Datong, Shanxi, China;2. Institute of Applied Biotechnology, Shanxi Datong University, Datong, Shanxi, China;3. School of Chemical Engineering, Shanxi Datong University, Datong, Shanxi, China;1. Corrosion and Protection Center, Key Laboratory for Corrosion and Protection (MOE), University of Science and Technology Beijing, Beijing 100083, China;2. Aerospace Research Institute of Materials &Processing Technology, Beijing, 100076, China;3. Beijing, Institute of Aeronautical Materials, Beijing 100095, China
Abstract:Passive Q switching using heated CO2 as a saturable absorber was observed. A kinetic model previously proposed is used to interpret this phenomenon. Our study reveals the important role of rotational and vibrational relaxation mechanisms.
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