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We describe a rigidly-mounted optical cavity which is insensitive to inertial forces acting in any direction and to the compressive force used to constrain it. The design is based on a cubic geometry with four supports placed symmetrically…

Optics · Physics 2016-04-13 Stephen Webster , Patrick Gill

We present two ultra-stable lasers based on two vibration insensitive cavity designs, one with vertical optical axis geometry, the other horizontal. Ultra-stable cavities are constructed with fused silica mirror substrates, shown to…

A fully on-fiber optomechanical cavity is fabricated by patterning a suspended metallic mirror on the tip of an optical fiber. Optically induced self-excited oscillations of the suspended mirror are experimentally demonstrated. We discuss…

Optics · Physics 2012-10-30 Ilya Baskin , D. Yuvaraj , Gil Bachar , Keren Shlomi , Oleg Shtempluck , Eyal Buks

For objects of "large" vibration size such as waves on the sea surface, the choice of measurement method can create different understandings of system behavior. In one case, laser vibrometry measurements of a vibrating bar in a controlled…

Instrumentation and Detectors · Physics 2021-02-23 Michael C. Kobold , Michael McKinley

Tactile perception is an increasingly popular gateway in human-machine interaction, yet universal design guidelines for tactile displays are still lacking, largely due to the absence of methods to measure sensibility across skin areas. In…

Human-Computer Interaction · Computer Science 2023-10-03 Max vom Stein , Maximilian Hoppe , Maxim Sommer , Kai-Dietrich Wolf

Photonic sensors based upon high-quality optical microcavities have found a wide variety of applications ranging from inertial sensing, electro- and magnetometry to chemical and biological sensing. These sensors have a dynamic range limited…

Optics · Physics 2021-01-19 Usman A. Javid , Steven D. Rogers , Austin Graf , Qiang Lin

We use the three-cornered-hat method to evaluate the absolute frequency stabilities of three different ultrastable reference cavities, one of which has a vibration-insensitive design that does not even require vibration isolation. An Nd:YAG…

Optics · Physics 2009-06-02 Y. N. Zhao , J. Zhang , A. Stejskal , T. Liu , V. Elman , Z. H. Lu , L. J. Wang

We present an experimental study of an optomechanical system formed by a vibrating thin semi-transparent membrane within a high-finesse optical cavity. We show that the coupling between the optical cavity modes and the vibrational modes of…

Quantum Physics · Physics 2012-12-27 M. Karuza , M. Galassi , C. Biancofiore , C. Molinelli , R. Natali , P. Tombesi , G. Di Giuseppe , D. Vitali

The intracavity power, and hence sensitivity, of optomechanical sensors is commonly limited by parametric instability. Here we characterize the parametric instability induced sensitivity degradation in a micron scale cavity optomechanical…

Quantum Physics · Physics 2015-05-30 Glen I. Harris , Ulrik L. Andersen , Joachim Knittel , Warwick P. Bowen

We present an experimental study of dynamical back-action cooling of the fundamental vibrational mode of a thin semitransparent membrane placed within a high-finesse optical cavity. We study how the radiation pressure interaction modifies…

Quantum Physics · Physics 2012-10-08 M. Karuza , C. Molinelli , M. Galassi , C. Biancofiore , R. Natali , P. Tombesi , G. Di Giuseppe , D. Vitali

Communicating information to users is a crucial aspect of human-machine interaction. Vibrotactile feedback encodes information into spatiotemporal vibrations, enabling users to perceive tactile sensations. It offers advantages such as…

Robotics · Computer Science 2024-09-16 Jingchen Huang , Yun Fang , Weichao Guo , Xinjun Sheng

The strength of optomechanical interactions in a cavity optomechanical system can be quantified by a vacuum coupling rate $\vcr$ analogous to cavity quantum electrodynamics. This single figure of merit removes the ambiguity in the…

We study an optomechhanical device supporting at least three optical modes in the infrared telecommunication band and three mechanical vibration modes. We model the coherent driving of each optical mode, independently of each other, to…

Precision sensing and manipulation of milligram-scale mechanical oscillators has attracted growing interest in the fields of table-top explorations of gravity and tests of quantum mechanics at macroscopic scales. Torsional oscillators…

Quantum Physics · Physics 2023-06-23 Sofia Agafonova , Umang Mishra , Fritz Diorico , Onur Hosten

The response of a vibrating beam to a force depends on many physical parameters including those determined by material properties. Damage caused by fatigue or cracks result in local reductions in stiffness parameters and may drastically…

Numerical Analysis · Mathematics 2015-05-20 Troy Butler , Antti Huhtala , Mika Juntunen

We study the fundamental sensitivity that can be achieved with an ideal optomechanical system in the nonlinear regime for measurements of time-dependent gravitational fields. Using recently developed methods to solve the dynamics of a…

Flexible tactile sensors are increasingly used in real-world applications such as robotic grippers, prosthetic hands, wearable gloves, and assistive devices, where they need to conform to curved and irregular surfaces. However, most…

Robotics · Computer Science 2025-11-04 Luoyan Zhong , Heather Jin Hee Kim , Dylan P. Losey , Cara M. Nunez

The coupling of mechanical oscillators with light has seen a recent surge of interest, as recent reviews report.[1, 2] This coupling is enhanced when confining light in an optical cavity where the mechanical oscillator is integrated as…

Vibrational resonance (VR) is a nonlinear phenomenon in which the system response to a weak signal can be resonantly enhanced by applying a high-frequency modulation signal with an appropriate amplitude. The majority of VR research has…

Optics · Physics 2024-03-01 Yinuo Wang , Shan Wu , Cuicui Li , Zhenglu Duan , Min Xie , Bixuan Fan

The Virtual Image Correlation method applies for the measurement of silhouettes boundaries with sub-pixel precision. It consists in a correlation between the image of interest and a virtual image based on a parametrized curve. Thanks to a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 M. L. M. François
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