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Acta Optica Sinica, Volume. 42, Issue 22, 2219003(2022)

Nonlinear Optical Absorption of Eosin Y and Zinc Phthalocyanine Composite Films

Gang Chen1、*, Zhen Zhang2, Hongwei Yang1, Xu Sun1, and Jin Peng1
Author Affiliations
  • 1School of Information, Southwest Petroleum University, Nanchong637001, Sichuan , China
  • 2College of Physics, Sichuan University, Chengdu 610064, Sichuan , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (29)
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    Figures & Tables(9)
    Composite film FH3. (a) Object of composite film FH3; (b) SEM image of composite film FH3

    Fig. 1. Composite film FH3. (a) Object of composite film FH3; (b) SEM image of composite film FH3

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    UV-Vis absorption spectra of PVA, EY/PVA, ZnPc/PVA, FH2, and FH4 films

    Fig. 2. UV-Vis absorption spectra of PVA, EY/PVA, ZnPc/PVA, FH2, and FH4 films

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    Experimental setup for open aperture Z-scan

    Fig. 3. Experimental setup for open aperture Z-scan

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    Open aperture Z-scan curves. (a) PVA film; (b) eosin Y/PVA films with different mass fractions

    Fig. 4. Open aperture Z-scan curves. (a) PVA film; (b) eosin Y/PVA films with different mass fractions

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    Open aperture Z-scan curves of zinc phthalocyanine/PVA films for different mass fractions

    Fig. 5. Open aperture Z-scan curves of zinc phthalocyanine/PVA films for different mass fractions

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    Open aperture Z-scan curves of eosin Y/zinc phthalocyanine composite PVA films for I0 of 6.11 GW·cm-2 and 9.40 GW·cm-2. (a)(b) Composite film FH1; (c)(d) composite film FH2; (e)(f) composite film FH3; (g)(h) composite film FH4

    Fig. 6. Open aperture Z-scan curves of eosin Y/zinc phthalocyanine composite PVA films for I0 of 6.11 GW·cm-2 and 9.40 GW·cm-2. (a)(b) Composite film FH1; (c)(d) composite film FH2; (e)(f) composite film FH3; (g)(h) composite film FH4

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    Normalized transmittance of eosin Y/zinc phthalocyanine composite PVA films FH3 and FH4, and 0.65 g·L-1 zinc phthalocyanine/PVA film varying with laser intensity

    Fig. 7. Normalized transmittance of eosin Y/zinc phthalocyanine composite PVA films FH3 and FH4, and 0.65 g·L-1 zinc phthalocyanine/PVA film varying with laser intensity

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    • Table 1. Parameters of eosin Y and zinc phthalocyanine films

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      Table 1. Parameters of eosin Y and zinc phthalocyanine films

      ParameterMass fraction of EY/PVA /（10-2 g·L-1）Mass fraction of ZnPc/PVA /（g·L-1）
      1.53.04.50.450.65
      β /（cm·GW-1）-92.74±2.45-143.28±3.97-248.67±5.9415.47±1.4427.64±1.26
      Is /（109 W·cm-2）0.290.310.38--
      Im χ（3） /（10-12 esu）22.7335.1260.953.796.77
      Modulation depth /%16.3325.2841.4611.3618.97

    • Table 2. Compositions of composite films

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      Table 2. Compositions of composite films

      FilmMass fraction of ZnPc /（g·L-1）Mass fraction of EY /（10-2 g·L-1）

      I0 /

      （109 W·cm-2）

      β /

      （cm·GW-1）

      Is /

      （109 W·cm-2）

      Im χ（3） /

      （10-12 esu）

      		Modulation depth /%
      FH10.451.59.404.61±0.580.1771.1311.78
      FH20.453.09.403.56±0.350.1860.877.80
      FH30.651.59.405.80±0.270.1651.4214.53
      FH40.653.09.404.10±0.750.1721.0010.28
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    Gang Chen, Zhen Zhang, Hongwei Yang, Xu Sun, Jin Peng. Nonlinear Optical Absorption of Eosin Y and Zinc Phthalocyanine Composite Films[J]. Acta Optica Sinica, 2022, 42(22): 2219003

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    Paper Information

    Category: Nonlinear Optics

    Received: Mar. 4, 2022

    Accepted: May. 27, 2022

    Published Online: Nov. 7, 2022

    The Author Email: Chen Gang (201699010036@swpu.edu.cn)

    DOI:10.3788/AOS202242.2219003

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology