• Acta Optica Sinica
  • Vol. 39, Issue 3, 0324001 (2019)
Wen Mu, Weidong Shen*, Chenying Yang, Xiaowen Zheng, Zhen Wang, Huaxin Yuan, Wenjia Yuan, and Yueguang Zhang
Author Affiliations
  • State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
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    DOI: 10.3788/AOS201939.0324001 Cite this Article Set citation alerts
    Wen Mu, Weidong Shen, Chenying Yang, Xiaowen Zheng, Zhen Wang, Huaxin Yuan, Wenjia Yuan, Yueguang Zhang. Preparation of Anti-Reflection Coatings on Quartz Tube Surfaces Based on Atomic Layer Deposition[J]. Acta Optica Sinica, 2019, 39(3): 0324001 Copy Citation Text show less
    Schematic of quartz tube holder and various testing points on quartz tube. (a) Quartz tube holder; (b) testing points
    Fig. 1. Schematic of quartz tube holder and various testing points on quartz tube. (a) Quartz tube holder; (b) testing points
    Thickness uniformity distribution of single layer. (a) Al2O3 film; (b) TiO2 film
    Fig. 2. Thickness uniformity distribution of single layer. (a) Al2O3 film; (b) TiO2 film
    Refractive index and extinction coefficient of materials. (a) Refractive index of Al2O3; (b) refractive index and extinction coefficient of TiO2
    Fig. 3. Refractive index and extinction coefficient of materials. (a) Refractive index of Al2O3; (b) refractive index and extinction coefficient of TiO2
    Experimental and simulated reflectivities of single wavelength 550 nm AR coating
    Fig. 4. Experimental and simulated reflectivities of single wavelength 550 nm AR coating
    Central wavelength deviations on outer surfaces of quartz tubes with different outer diameters. (a) Circumferential direction of outer surface; (b) axial direction of outer surface
    Fig. 5. Central wavelength deviations on outer surfaces of quartz tubes with different outer diameters. (a) Circumferential direction of outer surface; (b) axial direction of outer surface
    Central wavelength deviations on inner surfaces of quartz tubes with different inner diameters. (a) Circumferential direction of inner surface; (b) axial direction of inner surface
    Fig. 6. Central wavelength deviations on inner surfaces of quartz tubes with different inner diameters. (a) Circumferential direction of inner surface; (b) axial direction of inner surface
    Axial central wavelength deviations on inner and outer surfaces of quartz tubes with different lengths. (a) Axial direction of inner surface; (b) axial direction of outer surface
    Fig. 7. Axial central wavelength deviations on inner and outer surfaces of quartz tubes with different lengths. (a) Axial direction of inner surface; (b) axial direction of outer surface
    Central wavelength distributions of quartz tube with outer diameter of 40 mm, inner diameter of 37 mm, and length of 50 mm. (a) Outer surface; (b) inner surface
    Fig. 8. Central wavelength distributions of quartz tube with outer diameter of 40 mm, inner diameter of 37 mm, and length of 50 mm. (a) Outer surface; (b) inner surface
    MaterialSubstrate temperature /First reactant(pulse time)Purge gas(purge time)Second reactant (pulse time)Purge gas(purge time)
    TiO2120TiCl4(0.35 s)N2(6 s)H2O(0.3 s)N2(8 s)
    Al2O3120TMA(0.50 s)N2(6 s)H2O(0.3 s)N2(8 s)
    Table 1. Process parameters for preparation of Al2O3 and TiO2 based on ALD technology
    Experimental groupOuter diameter/mmInner diameter/mmLength/mm
    232020
    1262020
    302020
    403720
    2403420
    403020
    403430
    3403440
    403450
    Table 2. Quartz tube size
    Outer diameter /mmCircumferential non-uniformity /%Axial non-uniformity /%Total non-uniformity /%Total non-uniformity except ±150° /%Total averagecenter wavelength /nm
    231.000.271.971.69547
    261.130.501.731.04549
    301.180.361.911.50549
    Table 3. Non-uniformity on outer surfaces of quartz tubes with different outer diameters
    Inner diameter /mmCircumferential non-uniformity /%Axial non-uniformity /%Total non-uniformity /%Total averagecenter wavelength /nm
    370.680.681.59551
    340.360.721.49552
    300.490.591.26553
    Table 4. Non-uniformity on inner surfaces of quartz tubes with different inner diameters
    PositionLength /mmCircumferential non-uniformity /%Axial non-uniformity /%Total non-uniformity /%Total averagecenter wavelength /nm
    300.780.781.10543
    Inner surface400.370.831.48542
    500.500.641.42544
    300.830.641.29544
    Outer surface400.460.271.47546
    500.690.601.65544
    Table 5. Uniformity of inner and outer surfaces of quartz tubes with different lengths
    Wen Mu, Weidong Shen, Chenying Yang, Xiaowen Zheng, Zhen Wang, Huaxin Yuan, Wenjia Yuan, Yueguang Zhang. Preparation of Anti-Reflection Coatings on Quartz Tube Surfaces Based on Atomic Layer Deposition[J]. Acta Optica Sinica, 2019, 39(3): 0324001
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