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Semiconductor yields sensitive thermometry

The strongly temperature-dependent band-edge absorption from gallium arsenide enables an optical thermometer with nanokelvin temperature resolution and microscale spatial resolution.

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Fig. 1: Schematic of fabricated GaAs band-edge thermometer.


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Correspondence to Chaman Gupta or Peter J. Pauzauskie.

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Gupta, C., Pauzauskie, P.J. Semiconductor yields sensitive thermometry. Nat. Photon. 16, 407–408 (2022).

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