Figure 2 | Characterization of the Reflected Diffraction Light Field of Humidity-Responsive CLCP Films Encoded with a Single q-plate. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Figure 2 | Characterization of the Reflected Diffraction Light Field of Humidity-Responsive CLCP Films Encoded with a Single q-plate.

Caption

a, schematic representation of a single q-plate encoded humidity-responsive CLCP film sample. The illustration shows a geometric phase pattern of the q-plate with a topological charge q = +0.5 (left), and micrograph of the encoded positions of humidity-responsive CLCP film cured at 65℃ (right). Orthogonal double-arrows indicate crossed polarizers. The scale bar is 100 μm. b, schematic diagram of the single-wavelength humidity monitoring system. Laser, 632.8 nm He-Ne laser, 15 mW/cm²; M, mirror; A, attenuator; QWP, quarter waveplate; BS, beam splitter; CL, cylindrical lens; CCD, charge-coupled device. c, reflected diffraction patterns produced by a single q-plate encoded humidity-responsive CLCP film as the RH increases from 10% to 95%.

Credit

by Shi-Long Li, Zhao-Yi Chen, Peng Chen, Wei Hu, Chaohong Huang, Sen-Sen Li, Xuejia Hu, Yan-Qing Lu and Lu-Jian Chen

Usage Restrictions

Credit must be given to the creator.

License

CC BY

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