Nanomechanics

News and Updates

Quantum Thermometer or Optical Refrigerator?

June 22, 2017

In an arranged marriage of optics and mechanics, physicists have created microscopic structural beams that have a variety of powerful uses when light strikes

schematic of laser light interacting with a plasmonic gap resonator

NIST Device for Detecting Subatomic-Scale Motion Has Potential Robotics, Homeland Security Applications

December 15, 2016

Scientists at the National Institute of Standards and Technology (NIST) have developed a new device that measures the motion of super-tiny particles traversing

NIST Unveils Forensic Technique to Measure Mechanical Properties of Evidence

November 1, 2016

You may have seen it on CSI: The star examines hair from a crime scene and concludes its color or texture looks like the defendant’s hair, or maybe his dog’s

Projects and Programs

Fundamentals of Deformation

Ongoing

This project provides new measurement methods, property data and simulations for areas critical to US manufacturing, describing the mechanisms responsible for

Nanoplasmonics and Three-Dimensional Plasmonic Metamaterials

Ongoing

Metamaterials are tailor-made photonic composites--combinations of materials designed to achieve optical properties not seen in nature. The properties stem from

A micromechanical bulk acoustic resonator that uses phononic crystal tethers to achieve a quality factor approaching the fundamental dissipation limit (fxQ can be as large as 1.2 x 1013 Hz)

Micro- and Nanoelectromechanical Systems

Completed

Microelectromechanical systems (MEMS) are integrated devices with critical applications in sensing, timing, signal processing, and biomedical diagnostics, and

Scanning Probe Microscopy Calibrations and Standards

Ongoing

This project is tasked with enabling accurate nanomechanical property measurements on materials through calibrations and standards. Our goal is to develop

Publications

Integrated photonic optomechanical atomic force microscopy probes batch fabricated using deep UV photolithography

June 3, 2023

Author(s)

Diego Perez Morelo, Mingkang Wang, Venkatesh Madhaven, Mogana Sathisivan, Charlie Tay, Vladimir Aksyuk

Chip-scale planar nanofabricated optomechanical devices that optically couple a mechanical moving nanostructure to an on-chip photonic cavity of high quality

Beating thermal noise in a dynamic signal measurement by a nanofabricated cavity-optomechanical sensor

March 15, 2023

Author(s)

Mingkang Wang, Diego Perez Morelo, Georg Ramer, Georges Pavlidis, Jeffrey Schwartz, Liya Yu, Robert Ilic, Andrea Centrone, Vladimir Aksyuk

Thermal fluctuations often impose both fundamental and practical measurement limits on high-performance sensors, motivating the development of techniques that

Certification of Standard Reference Material® 3461 Reference Cantilevers for AFM Spring Constant Calibration

August 15, 2022

Author(s)

Richard S. Gates, William Alexander Osborn, Mark McLean, Gordon A. Shaw, James J. Filliben

A batch of 94 silicon chips containing arrays of uniform rectangular cantilevers were microfabricated from a single silicon wafer and their stiffnesses and

Mode localization and tunable overlap in a closed-chain micromechanical resonator array

June 9, 2022

Author(s)

Joon Hyong Cho, Michael Cullinan, Jason J. Gorman

In this paper, we explore the dynamics of a closed chain of coupled micromechanical resonators, where each resonator is coupled to its two nearest neighbors