Tea CO2 laser beam absorption in polyethylene |
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| Affiliation: | 1. Department of Mechanical Engineering, Korea University, 145, Anam-ro, Sungbuk-Ku, Seoul, 02841, South Korea;2. Department of Nuclear Engineering, Chosun University, Seosuk-Dong, Dong-Gu, Gwangju 501-759, South Korea;1. Mendeleev University of Chemical Technology, Miusskaya sq. 9, Moscow 125047, Russia;2. Prokhorov General Physics Institute of Russian Academy of Sciences, Vavilova str. 38, Moscow 119991, Russia;3. Leibniz Institute of Surface Engineering (IOM), Permoser str. 15, 04318 Leipzig, Germany;4. Laboratory of Infrared Materials and Devices, The Research Institute of Advanced Technologies, Ningbo University, Ningbo, Zhejiang 315211, China |
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| Abstract: | The absorption coefficient of polyethylene sheets has been measured for two wavelengths (0.6328 μm, He-Ne laser; 10.6 μm, CO2 laser). For TEA CO2 laser power densities up to 104 W cm−2, the absorption coefficient was found to be 35.36 cm−1. The measured absorption coefficient shows that polyethylene sheets are good and simple attenuators for CO2 laser radiation. |
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