Experiments of electrically controlled optical choppers based on H-PDLC gratings

Jihong Zheng, Yanmeng Jiang, Tingting Wang, Aiqin Huang, Songlin Zhuang, Shizhuo Yin

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    An experimental investigation on a novel electrically controlled optical chopper based on holographic polymer dispersed liquid crystal (H-PDLC) gratings is presented in this paper. In order to realize the chopping function, a corresponding electrical driving source and controlling circuit are developed for the phase type H-PDLC grating, so that the H-PDLC chopper can not only modulate a light beam with variable frequencies at different duty ratios but also generate other types of waveform modulation such as the sinusoidal modulation to replace the traditional rectangular modulation. Experimental results on one-channel, two-channel and four-channel H-PDLC optical choppers showed that, in comparison with the mechanical chopper counterpart, this device had the advantages of (1) lower noise without mechanical moving part, (2) higher conveniences in terms of changing its operational frequencies, duty ratios and modulation curves, and (3) multi-channel modulation capability. Therefore, it will have a great potential for applications that requires frequency modulations such as frequency modulated confocal microscopy system.

    Original languageEnglish (US)
    Title of host publicationPhotonic Fiber and Crystal Devices
    Subtitle of host publicationAdvances in Materials and Innovations in Device Applications V
    DOIs
    StatePublished - Oct 11 2011
    EventPhotonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V - San Diego, CA, United States
    Duration: Aug 21 2011Aug 22 2011

    Publication series

    NameProceedings of SPIE - The International Society for Optical Engineering
    Volume8120
    ISSN (Print)0277-786X

    Other

    OtherPhotonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V
    CountryUnited States
    CitySan Diego, CA
    Period8/21/118/22/11

    Fingerprint

    electric choppers
    Liquid crystal polymers
    Liquid Crystal
    Gratings
    Modulation
    Polymers
    liquid crystals
    gratings
    modulation
    polymers
    Experiment
    Experiments
    Confocal Microscopy
    Frequency Modulation
    Confocal microscopy
    Frequency modulation
    Experimental Investigation
    light beams
    Waveform
    frequency modulation

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering

    Cite this

    Zheng, J., Jiang, Y., Wang, T., Huang, A., Zhuang, S., & Yin, S. (2011). Experiments of electrically controlled optical choppers based on H-PDLC gratings. In Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V [81200X] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8120). https://doi.org/10.1117/12.896063
    Zheng, Jihong ; Jiang, Yanmeng ; Wang, Tingting ; Huang, Aiqin ; Zhuang, Songlin ; Yin, Shizhuo. / Experiments of electrically controlled optical choppers based on H-PDLC gratings. Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V. 2011. (Proceedings of SPIE - The International Society for Optical Engineering).
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    title = "Experiments of electrically controlled optical choppers based on H-PDLC gratings",
    abstract = "An experimental investigation on a novel electrically controlled optical chopper based on holographic polymer dispersed liquid crystal (H-PDLC) gratings is presented in this paper. In order to realize the chopping function, a corresponding electrical driving source and controlling circuit are developed for the phase type H-PDLC grating, so that the H-PDLC chopper can not only modulate a light beam with variable frequencies at different duty ratios but also generate other types of waveform modulation such as the sinusoidal modulation to replace the traditional rectangular modulation. Experimental results on one-channel, two-channel and four-channel H-PDLC optical choppers showed that, in comparison with the mechanical chopper counterpart, this device had the advantages of (1) lower noise without mechanical moving part, (2) higher conveniences in terms of changing its operational frequencies, duty ratios and modulation curves, and (3) multi-channel modulation capability. Therefore, it will have a great potential for applications that requires frequency modulations such as frequency modulated confocal microscopy system.",
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    Zheng, J, Jiang, Y, Wang, T, Huang, A, Zhuang, S & Yin, S 2011, Experiments of electrically controlled optical choppers based on H-PDLC gratings. in Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V., 81200X, Proceedings of SPIE - The International Society for Optical Engineering, vol. 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V, San Diego, CA, United States, 8/21/11. https://doi.org/10.1117/12.896063

    Experiments of electrically controlled optical choppers based on H-PDLC gratings. / Zheng, Jihong; Jiang, Yanmeng; Wang, Tingting; Huang, Aiqin; Zhuang, Songlin; Yin, Shizhuo.

    Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V. 2011. 81200X (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8120).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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    Zheng J, Jiang Y, Wang T, Huang A, Zhuang S, Yin S. Experiments of electrically controlled optical choppers based on H-PDLC gratings. In Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V. 2011. 81200X. (Proceedings of SPIE - The International Society for Optical Engineering). https://doi.org/10.1117/12.896063