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Related papers: Real-time ratiometric optical nanoscale thermometr…

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Nanomechanical resonators have emerged as sensors with exceptional sensitivities. These sensing capabilities open new possibilities in the studies of the thermodynamic properties in condensed matter. Here, we use mechanical sensing as a…

A thermocouple of Au-Ni with only 2.5-micrometers-wide electrodes on a 30-nm-thick Si3N4 membrane was fabricated by a simple low-resolution electron beam lithography and lift off procedure. The thermocouple is shown to be sensitive to heat…

Mesoscale and Nanoscale Physics · Physics 2018-04-10 Armandas Balcytis , Meguya Ryu , Saulius Juodkazis , Junko Morikawa

Luminescence thermometry has been extensively exploited in the last decades both from the fundamental and applied point of views. The application of photoluminescent nanoparticles on the microscopic level based on rare-earth doped (RED)…

We introduce a new, highly sensitive, and simple heterodyne optical method for imaging individual nonfluorescent nanoclusters and nanocrystals. A 2 order of magnitude improvement of the signal is achieved compared to previous methods. This…

Optics · Physics 2007-05-23 Stéphane Berciaud , Laurent Cognet , Gerhard A Blab , Brahim Lounis

Nanodiamonds containing nitrogen-vacancy (NV) centers offer a versatile platform for sensing applications spanning from nanomagnetism to in-vivo monitoring of cellular processes. In many cases, however, weak optical signals and poor…

Quantum Physics · Physics 2018-04-30 David A. Hopper , Richard R. Grote , Samuel M. Parks , Lee C. Bassett

The ratiometric approach is the most commonly employed readout technique in luminescence thermometry. To address the trade-off between the risk of measurement disturbance in thermometers with high spectral separation of emission bands (due…

Temperature-dependent nitrogen-vacancy (NV)-center relaxometry is an established tool to characterize paramagnetic molecules near to a sensing diamond, gaining momentum in different fields of science. However, recent results indicate that…

Quantum Physics · Physics 2023-09-22 Isabel Cardoso Barbosa , Jonas Gutsche , Dennis Lönard , Stefan Dix , Artur Widera

Accurate temperature mapping at the nanoscale is a critical challenge in modern science and technology, as conventional methods fail at these dimensions. To address this challenge, we demonstrate a highly sensitive nanothermometer using…

The next generation of ultra-low-noise cryogenic detectors for space science applications require continued exploration of materials characteristics at low temperatures. The low noise and good energy sensitivity of current Transition Edge…

Mesoscale and Nanoscale Physics · Physics 2011-02-01 D. J. Goldie , D. M. Glowacka , K. Rostem† , S. Withington

Metallic nanohole arrays have shown their potential as sensing tools. Important research supported by sophisticated laboratory experiments have been recently carried out, that may help to develop practical devices to be implemented in the…

Applied Physics · Physics 2019-05-01 A. Franco , D. Otaduy , A. I. Barreda , J. L. FernÁndez-Luna , S. Merino , F. GonzÁlez , F. Moreno

High-Q optical resonators allow label-free detection of individual nanoparticles through perturbation of optical signatures but have practical limitations due to reliance on random diffusion to deliver particles to the sensing region. We…

Optics · Physics 2016-10-03 Jeewon Suh , Kewen Han , Christopher W Peterson , Gaurav Bahl

We demonstrate a blackbody radiation thermometer based on optically excited rubidium atoms in a vapor cell. The temperature measurement is fast, with statistical uncertainty as low as 0.1% in one second. We resolve temperature with a…

Individual, luminescent point defects in solids so called color centers are atomic-sized quantum systems enabling sensing and imaging with nanoscale spatial resolution. In this overview, we introduce nanoscale sensing based on individual…

Mesoscale and Nanoscale Physics · Physics 2017-05-11 Ettore Bernardi , Richard Nelz , Selda Sonusen , Elke Neu

The confluence of quantum physics and biology is driving a new generation of quantum-based sensing and imaging technology capable of harnessing the power of quantum effects to provide tools to understand the fundamental processes of life.…

Quantum Physics · Physics 2015-06-05 D. Maclaurin , L. T. Hall , A. M. Martin , L. C. L. Hollenberg

Thermal relaxation of nanoscale magnetic islands, mimicking Ising macrospins, is indispensable for studies of geometrically frustrated artificial spin systems and low-energy nanomagnetic computation. Currently-used heating schemes based on…

Mesoscale and Nanoscale Physics · Physics 2019-04-24 Matteo Pancaldi , Naëmi Leo , Paolo Vavassori

In mesoscopic superconductor/normal-metal/superconductor (SNS) heterostructures, it is known that the resistance of the normal metal between the superconductors has a strong temperature dependence. Based on this phenomenon, we have…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Z. Jiang , H. Lim , J. Eom , V. Chandrasekhar

Molecular imaging refers to a class of noninvasive biomedical imaging techniques with the sensitivity and specificity to image biochemical variations in-vivo. An ideal molecular imaging technique visualizes a biochemical target according to…

Medical Physics · Physics 2013-04-03 Alex Hegyi , Eli Yablonovitch

Investigating nanoplasmonics using time-dependent approaches permits shedding light on the dynamic optical properties of plasmonic structures, which are intrinsically connected with their potential applications in photochemistry and…

Mesoscale and Nanoscale Physics · Physics 2024-06-18 Piero Lafiosca , Luca Nicoli , Silvio Pipolo , Stefano Corni , Tommaso Giovannini , Chiara Cappelli

Understanding light-matter interaction at the nanoscale requires probing the optical properties of matter at the individual nano-absorber level. To this end, we have developed a nanomechanical photothermal sensing platform that can be used…

Optics · Physics 2024-06-07 Kostas Kanellopulos , Robert G. West , Silvan Schmid

To achieve atomic-level characterization of the diamond (001) surface, persistent efforts have been made over the past few decades. The motivation behind the pursuit extends beyond investigating surface defects and adsorbates; it also…

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