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Electric field-dependent change of refractive index of PSBPs formed at curing temperatures of 38 °C and 34 °C.
(a)-(d) Fabrication of PSBP grating and (e) polarizing micrographs of PSBP phase grating.
(a) Variation of first-order diffraction intensity with applied voltage. Diffraction pattern of PSBP phase grating probed using He-Ne laser beam with wavelength of 632 nm at (b) 0 V and (c) 150 V.
(a) First-order diffraction efficiency versus polarization of incident linearly polarized beam at applied voltages of V = 0 V, 75 V, and 150 V. (b) and (c) Polarization of diffracted beam with 0° and 45° polarized incident beams, respectively.
Electro-optical response of first-order diffraction intensity in (a) rise and (b) decay processes upon application of 150 V at 25 °C.
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