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Solid-State Polymer based 1D and 2D Tunable Random Laser in visible spectrum

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We report tunable random lasing in 2D and 1D solid-state polymer-based dye-doped random lasers. In 2D configuration, we show that the laser emission can be red-shifted by either decreasing scatterer density or increasing pump area. In 1D system, we demonstrate temperature-controlled spectral tunability of a partially-pumped single-wavelength random laser.

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