• Journal of Applied Optics
  • Vol. 45, Issue 4, 841 (2024)
Shaobin SUN1, Junqi XU1,*, Junhong SU1, Yang LI1..., Tong WANG1 and Zheng LIU2|Show fewer author(s)
Author Affiliations
  • 1Shaanxi Province Thin Film Technology and Optical Test Open Key Laboratory, Xi'an Technological University, Xi'an 710021, China
  • 2Advanced Optical Manufacturing Technology Joint Laboratory, Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an 710119, China
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    DOI: 10.5768/JAO202445.0407002 Cite this Article
    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 Copy Citation Text show less
    Preparation process of single-layer membrane
    Fig. 1. Preparation process of single-layer membrane
    Effect of PEG mass fraction on optical band gap of thin films
    Fig. 2. Effect of PEG mass fraction on optical band gap of thin films
    Effect of PEG mass fraction on refractive index and extinction coefficient of thin films
    Fig. 3. Effect of PEG mass fraction on refractive index and extinction coefficient of thin films
    Transmittance curves of thin film samples
    Fig. 4. Transmittance curves of thin film samples
    Surface morphology of TiO2 and SiO2 films by PEG mass fraction
    Fig. 5. Surface morphology of TiO2 and SiO2 films by PEG mass fraction
    Damage probability fitting curves of TiO2 and SiO2 films prepared with different PEG mass fractions
    Fig. 6. Damage probability fitting curves of TiO2 and SiO2 films prepared with different PEG mass fractions
    样品PEG(3000) 质量分数/%激光损伤 阈值/(J/cm2折射率孔隙率/%粗糙度 /nm
    TiO2TP0015.62.063511.51.22
    TP10.815.42.016514.101.38
    TP24.016.31.748130.902.42
    TP38.016.71.640938.703.87
    SiO2SP0014.71.43864.041.05
    SP10.812.61.43584.601.94
    SP24.013.71.43045.702.43
    SP38.014.51.387913.903.82
    Table 1. LIDT, refractive index, porosity and roughness of monolayer TiO2 and SiO2 film
    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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