Near-infrared optical thermometry of nickel color centers in diamond
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2024-11-26 |
| Journal | Optics Letters |
| Authors | Ajithamithra Dharmasiri, C. Vincent, T. I. Rajib, M. S. Pochechuev, Xinghua Liu |
| Institutions | Mitchell Institute, Texas A&M University |
| Citations | 1 |
Abstract
Section titled āAbstractāWe present an experimental study of temperature-dependent near-infrared fluorescence spectra of nickel color centers in diamond. The amplitude, the central wavelength, and the linewidth of the zero-phonon line (ZPL) in the fluorescence spectrum of these centers exhibit a strong temperature dependence, enabling highly sensitive temperature measurements. Due to the ZPL wavelength, falling within the biological transparency window, combined with a high-temperature sensitivity and low noise floor, as demonstrated by our experiments in practical thermometry settings, nickel color centers in diamond are ideally suited for all-optical temperature measurements, including thermometry of biological systems.