11 November 2017 Enhanced diffraction efficiency of polarization holographic gratings in Au nanoparticles-doped methyl orange film
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Abstract
The polarization holographic gratings recorded in Au nanoparticles-doped methyl orange/polyvinylpyrrolidone (MO/PVP) composite films were investigated. The polarization state of diffraction beams was controlled by a probe light and holographic gratings together. The first-order diffraction efficiency of the MO/PVP film doped with Au nanoparticles was measured to be 3.2 times larger than that of pure composite film. Meanwhile, an obvious enhancement of photoinduced birefringence of MO molecules was also demonstrated. This enhancement of diffraction efficiency and photoinduced birefringence was discussed in terms of the localized field effect via the surface plasmon resonance of Au nanoparticles, which was confirmed by finite-difference time-domain simulation.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Yifei Yang, Changshun Wang, Yuan Wang, Yujia Pan, Hongjing Li, Renjie Xia, "Enhanced diffraction efficiency of polarization holographic gratings in Au nanoparticles-doped methyl orange film," Optical Engineering 56(11), 117105 (11 November 2017). https://doi.org/10.1117/1.OE.56.11.117105 . Submission: Received: 26 July 2017; Accepted: 18 October 2017
Received: 26 July 2017; Accepted: 18 October 2017; Published: 11 November 2017
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