Results 41 to 50 of about 5,552 (189)

On-Chip Cavity Optomechanical Coupling [PDF]

, 2014
On-chip cavity optomechanics, in which strong co-localization of light and mechanical motion is engineered, relies on efficient coupling of light both into and out of the on-chip optical resonator.
Davis, John P, Doolin, Callum, Hauer, Bradley D, Kim, Paul H, MacDonald, Allison JR, Ramp, Hugh   +5 more
core   +2 more sources

All-Optical Nanopositioning of High-Q Silica Microspheres [PDF]

, 2017
A tunable, all-optical, coupling method has been realized for a high-\textit{Q} silica microsphere and an optical waveguide. By means of a novel optical nanopositioning method, induced thermal expansion of an asymmetric microsphere stem for laser powers ...
Chormaic, SÍle Nic, Lei, Fuchuan, Murphy, Rafino M. J., Ward, Jonathan M., Yang, Yong   +4 more
core   +3 more sources

Design, optimization, and characterization of an XY nanopositioning stage with multi-level spatial flexure hinges for high-precision large-stroke motion guidance.

Review of Scientific Instruments, 2023
Establishing a novel design and accurate analytical models for XY nanopositioning stages based on voice coil motor (VCM) actuators is critical to achieving an optimal working performance.
Zhichao Shi, Xiaoquan Li, Zhiwei Zhu
semanticscholar   +1 more source

Coupling of ultrathin tapered fibers with high-Q microsphere resonators at cryogenic temperatures and observation of phase-shift transition from undercoupling to overcoupling [PDF]

, 2012
We cooled ultrathin tapered fibers to cryogenic temperatures and controllably coupled them with high-Q microsphere resonators at a wavelength close to the optical transition of diamond nitrogen vacancy centers.
Fujiwara, Masazumi, Noda, Tetsuya, Takeuchi, Shigeki, Tanaka, Akira, Toubaru, Kiyota, Zhao, Hong-Quan   +5 more
core   +2 more sources

Adaptive RBFNN‐based predictive control for the nanopositioning of an electrostatic MEMS actuator

IET Control Theory & Applications, 2023
Electrostatic micro electro mechanical system (MEMS) as an actuator is one of the most widely used actuators in micro dimension systems. Due to the high nonlinear characteristics in the micro actuator's model, nanopositioning has been a challenging ...
Nava Rezvani, Ali Keymasi‐Khalaji
semanticscholar   +1 more source

Nanoscale-targeted patch-clamp recordings of functional presynaptic ion channels [PDF]

, 2013
Important modulatory roles have been attributed to presynaptic NMDA receptors (NMDARs) located on cerebellar interneuron terminals. Evidence supporting a presynaptic location includes an increase in the frequency of mini events following the application ...
Benton, DCH, Caldwell, M, Moss, GWJ, Robertson, AD, Smart, TG   +4 more
core   +1 more source

Calibration of Nanopositioning Stages

Micromachines, 2015
Accuracy is one of the most important criteria for the performance evaluation of micro- and nanorobots or systems. Nanopositioning stages are used to achieve the high positioning resolution and accuracy for a wide and growing scope of applications ...
Ning Tan, Cédric Clévy, Nicolas Chaillet   +2 more
doaj   +1 more source

Tip-based nanofabrication below 40 nm combined with a nanopositioning machine with a movement range of Ø100 mm

Micro and Nano Engineering, 2023
In this paper, the combination of an advanced nanopositioning technique and a tip-based system, which can be used as an atomic force microscope (AFM) and especially for field emission scanning probe lithography (FESPL) is presented.
Jaqueline Stauffenberg, Michael Reibe, Anja Krötschl, Christoph Reuter, Ingo Ortlepp, Denis Dontsov, Steffen Hesse, Ivo W. Rangelow, Steffen Strehle, Eberhard Manske   +9 more
doaj   +1 more source

Integrating Strain Gauge Feedback with Adaptive Sliding Mode Motion Control for Piezoelectric Nanopositioning Stage

Actuators
This paper presents an adaptive sliding mode control (ASMC) scheme based on strain gauge position feedback for compensating for motion errors in a piezoelectric nanopositioning stages and ensures precise and reliable motion tracking control.
Xianfeng Zeng, Feng Nan, Tengfei Li, Changchao Mo, J. Su, K. Wei, Xiaozhi Zhang   +6 more
semanticscholar   +1 more source

Development and Optimization of a Differential Signal-Based Fabry-Perot Interferometer for Nanopositioning

Tehnički Glasnik
In this study, we present the optimization of a Fabry-Perot interferometer with a differential signal utilized as the laser encoder to meet the stringent demands of nanopositioning.
Syuan-Cheng Chang, Chung-Ping Chang, Yung-Cheng Wang   +2 more
doaj   +1 more source