Probing deformed commutators with macroscopic harmonic oscillators

M Bawaj, C Biancofiore, M Bonaldi, F Bonfigli… - Nature …, 2015 - nature.com
A minimal observable length is a common feature of theories that aim to merge quantum
physics and gravity. Quantum mechanically, this concept is associated with a nonzero …

Design strategies for controlling damping in micromechanical and nanomechanical resonators

S Joshi, S Hung, S Vengallatore - EPJ Techniques and Instrumentation, 2014 - Springer
Damping is a critical design parameter for miniaturized mechanical resonators used in
microelectromechanical systems (MEMS), nanoelectromechanical systems (NEMS) …

Thermoelastic damping in layered microresonators: critical frequencies, peak values, and rule of mixture

Z Nourmohammadi, S Prabhakar… - Journal of …, 2013 - ieeexplore.ieee.org
The design of high-Q microresonators requires a careful evaluation of thermoelastic
damping (TED). Here, we consider the widely used class of flexural-mode bilayered beam …

Size effects of specific heat and elastic modulus on thermoelastic damping of geometrically nonlinear beam

S Dixit, AK Gaonkar - International Journal of Mechanical Sciences, 2021 - Elsevier
In this paper, the effect of surfaces on the thermoelastic damping (TED) of nanoresonators is
studied. In addition to the classical surface elasticity, the concept of surface heat capacity is …

Fabrication of a vertical sidewall using double-sided anisotropic etching of< 1 0 0> oriented silicon

HS Kim, JM Kim, YS Bang, ES Song… - Journal of …, 2012 - iopscience.iop.org
A double-sided wet etch process has been proposed to fabricate vertical structures in< 1 0
0> oriented silicon substrate. Both sides of a {1 0 0} silicon wafer have been patterned …

Optical actuation of a micromechanical photodiode via the photovoltaic-piezoelectric effect

A Rampal, RN Kleiman - Microsystems & nanoengineering, 2021 - nature.com
Radiation pressure and photothermal forces have been previously used to optically actuate
micro/nanomechanical structures fabricated from semiconductor piezoelectric materials …

[HTML][HTML] A technique for continuous measurement of the quality factor of mechanical oscillators

ND Smith - Review of Scientific Instruments, 2015 - pubs.aip.org
Thermal noise is a limit to precision measurement in many fields. The relationship of the
quality factor of mechanical systems to the thermal noise has compelled many researchers …

Ultralow-dissipation micro-oscillator for quantum optomechanics

E Serra, A Borrielli, FS Cataliotti, F Marin, F Marino… - Physical Review A …, 2012 - APS
Generating nonclassical states of light by optomechanical coupling depends critically on the
mechanical and optical properties of micro-oscillators and on the minimization of thermal …

A “low-deformation mirror” micro-oscillator with ultra-low optical and mechanical losses

E Serra, A Borrielli, FS Cataliotti, F Marin… - Applied Physics …, 2012 - pubs.aip.org
We report on the mechanical losses measured in a “low-deformation mirror” micro-oscillator
designed to reduce as much as possible the strain in the coating layer and the resulting …

[HTML][HTML] Fabrication and analysis of printable fused-silica based double paddle oscillators

Y Atwa, D McNeill, H Shakeel - Sensors and Actuators A: Physical, 2023 - Elsevier
This paper describes a new manufacturing method for producing a double paddle oscillator
geometry using a printable fused silica glass suspension. The method includes casting a …