Wide-field diamond magnetometry with millihertz frequency resolution and nanotesla sensitivity
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DOI: 10.1063/1.5048265
Abstract: The nitrogen-vacancy (NV) center in diamond allows room-temperature wide-field quantum magnetometry and metrology for a small volume, which is an important technology for applications in biology. Although coherence of the NV center has a limited… read more here.
Keywords: magnetometry; wide field; frequency resolution;
Phase-sensitive quantum spectroscopy with high-frequency resolution
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DOI: 10.1103/physreva.104.l020602
Abstract: Classical spectrum analyzers are widely used but lack microor nanoscale spatial resolution. On the other hand, quantum sensors, capable of working with nanoscale precision, do not provide precise frequency resolution over a wide range of… read more here.
Keywords: resolution; spectroscopy; frequency resolution; phase ... See more keywords
Multiple radio frequency measurements with an improved frequency resolution based on stimulated Brillouin scattering with a reduced gain bandwidth.
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DOI: 10.1364/ol.428788
Abstract: A photonic-assisted multiple radio frequency (RF) measurement approach based on stimulated Brillouin scattering (SBS) and frequency-to-time mapping with high accuracy and high frequency resolution is reported. A two-tone signal is a single-sideband (SSB) modulated on… read more here.
Keywords: frequency; frequency resolution; gain; multiple radio ... See more keywords