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Experimental setups (a) for curing CM-CLC sample using unpolarized UV light; (b) for obtaining transmittance spectrum of CM-CLC sample; (c) for obtaining reflection spectrum of CM-CLC sample. and represent command and reference surfaces, respectively.
(a) Reflection spectrum of CM-CLC sample before UV illumination. Reflection spectra of CM-CLC samples in planar textures with cell gaps of (b) 20, (c) 12, and (d) , following irradiation under unpolarized UV light from for 60 min at . The blue and red curves represent the reflection spectra when broadband light is incident from and , respectively.
Reflected color of CM-CLC sample from (a) (yellowish) and (b) (greenish). (c) Transmission image.
Transmission spectra of CM-CLC samples with cell gaps of (a) 20, (b) 12 and (c) , following irradiation under unpolarized UV light from for 60 min at in planar textures. (d) Microscopic textures of CM-CLC samples [Fig. 4(a)] in transmission perspective observed from .
Microscopic textures of CM-CLC samples in reflection perspective observed from (a) and (b) for cell gap of . represents rubbing direction. Insets present the magnification images of the regions indicated by circles.
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