Shaobin SUN, Junqi XU, Junhong SU, Yang LI, Tong WANG, Zheng LIU. Influence of PEG content on optical band gap and laser damage characteristics of porous films[J]. Journal of Applied Optics, 2024, 45(4): 841

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- Journal of Applied Optics
- Vol. 45, Issue 4, 841 (2024)

Fig. 1. Preparation process of single-layer membrane

Fig. 2. Effect of PEG mass fraction on optical band gap of thin films

Fig. 3. Effect of PEG mass fraction on refractive index and extinction coefficient of thin films

Fig. 4. Transmittance curves of thin film samples

Fig. 5. Surface morphology of TiO2 and SiO2 films by PEG mass fraction

Fig. 6. Damage probability fitting curves of TiO2 and SiO2 films prepared with different PEG mass fractions
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Table 1. LIDT, refractive index, porosity and roughness of monolayer TiO2 and SiO2 film

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