Optical Refrigeration of Enzyme-Coated Rare-Earth-Doped Fluorides

Abstract

Yttrium lithium fluoride crystals doped with 10% ytterbium have undergone a synthetic conjugation procedure to coat them with horseradish peroxidase. The crystals have been shown via mean fluorescence spectroscopy to still undergo photothermal cooling despite their coating of materials that photothermally heat.