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Thermally reconfigurable random lasers

Colloidal random lasers are hard to design and control. Combining optically controlled micro-heaters with thermophilic particles attracted by them leads to microlasers with programmable and reversible patterns.

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Fig. 1: Reversible thermophoretic self-assembly.


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Correspondence to Neda Ghofraniha.

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Ghofraniha, N. Thermally reconfigurable random lasers. Nat. Phys. 18, 860–861 (2022).

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