Abstract
A polarization-independent phase-only liquid crystal (LC) phase modulator using a double-layered structure is demonstrated. Two orthogonal LC layers are separated by two ultra-thin anisotropic polymer films. The anisotropic polymeric films not only separate the LC layers but also provide good molecular alignment. As a result, a polarization-independent phase modulator with 2π phase shift is achieved at 9Vrms and 8.1π at 40Vrms using a 12-μm-thick E7 LC layers. This operating voltage is ∼10X lower than that using a conventional 0.3-mm-thick glass separator.
| Original language | English |
|---|---|
| Pages (from-to) | 8746-8752 |
| Number of pages | 7 |
| Journal | Optics Express |
| Volume | 13 |
| Issue number | 22 |
| DOIs | |
| State | Published - 31 Oct 2005 |
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Lin, Y-H., Ren, H., Wu, Y. H., Zhao, Y., Fang, J., Ge, Z., & Wu, S. T. (2005). Polarization-independent liquid crystal phase modulator using a thin polymer-separated double-layered structure. Optics Express, 13(22), 8746-8752. https://doi.org/10.1364/OPEX.13.008746