Figure 3 (IMAGE)

Tohoku University

Figure 3

Caption

Stretching tunes the effective refractive index. Panels (a, b) show the index, and panels (c, d) show its percentage change relative to the relaxed state, for polarizations perpendicular (a, c) and parallel (b, d) to the stretching direction. The black, red, and blue curves represent 0%, 7.3%, and 12.6% elongation, respectively. The solid and dashed curves represent the measurements and simulations, respectively. Negative changes indicate a decrease in the refractive index.

Credit

Optica

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