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Fig. 2 Wavelength tuning with temperature.

Published byPer-Olof Åberg Modified over 5 years ago

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Presentation on theme: "Fig. 2 Wavelength tuning with temperature."— Presentation transcript:

1 Fig. 2 Wavelength tuning with temperature.
Wavelength tuning with temperature. (A) Series of OM images of a CLC capsule taken at denoted temperatures. The stop band of CLC blue-shifts along with temperature. (B and C) Reflectance spectra (right y axis) of dye-free CLC film and lasing spectra (left y axis) from the capsules containing dye-dissolved CLC, where we used the same concentration of chiral dopants in the film and capsule. Lasing occurs in the SWE in the range of 18° to 21.5°C and occurs in the LWE in the range of 22° to 34°C. (D) Wavelengths of LWE, SWE, and lasing emission as a function of temperature, where a spontaneous emission spectrum of the dye is shown in the right panel and represented with a color gradient in the main panel. (E) Threshold energy (left y axis) for lasing on the CLC capsule in LWE (red circles) and SWE (blue triangles) as a function of wavelength. The temperature is also denoted. The spontaneous emission spectrum of the dye (right y axis) is shown for a comparison. Sang Seok Lee et al. Sci Adv 2018;4:eaat8276 Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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