Results 51 to 60 of about 126,256 (297)
IEEE Photonics JournalThe laser frequency stabilization technology is very important in the development of laser applications, and the improvement of this technology has tend to further expectations for portability and low cost, in addition to the realization of strict ...
Liuxin Zhang +9 more
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Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Subtotal hippocampal resection can leave residual hippocampal tissue, yet the immediate postoperative electrophysiologic evolution of such remnants is unknown. We describe a patient with drug‐resistant temporal lobe epilepsy in whom a hippocampal remnant was continuously monitored using a responsive neurostimulator (RNS) following subtotal ...
Patrick Hartnett +5 more
wiley +1 more source
Absolute Frequency Readout of Cavity against Atomic Reference
Remote Sensing, 2022 Future space-based geodesy missions such as the Mass Change Mission and the Next Generation Gravity Mission are expected to rely on laser ranging as their primary instrument.
Emily Rose Rees +3 more
doaj +1 more source
Laser frequency stabilization and tuning.
The Review of Laser Engineering, 1987 Development and recent progress of laser frquency control of gas, dye, and semiconductor lasers are reviewed. Narrowing of laser spectral width, stabilization of the center frequency and freqency tuning with high frequency stability are described. Ultrahigh frequency stabilties of 3×10-16 for a He-Ne laser and 10-14-10-15 for an Al Ga As laser has been
Toshiharu TAKO, Yoshiaki AKIMOTO
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Advanced Engineering Materials, EarlyView.Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt +8 more
wiley +1 more source
Towards On-Chip Self-Referenced Frequency-Comb Sources Based on Semiconductor Mode-Locked Lasers. [PDF]
, 2019 Miniaturization of frequency-comb sources could open a host of potential applications in spectroscopy, biomedical monitoring, astronomy, microwave signal generation, and distribution of precise time or frequency across networks.
Bustos-Ramirez, Ricardo +6 more
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Advanced Engineering Materials, EarlyView.The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi +3 more
wiley +1 more source
, 2012 We have built a frequency chain which enables to measure the absolute frequency of a laser emitting in the 28-31 THz frequency range and stabilized onto a molecular absorption line. The set-up uses an optical frequency comb and an ultrastable 1.55 $\mu$m
Amy-Klein, Anne +8 more
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Advanced Engineering Materials, EarlyView.This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo +3 more
wiley +1 more source
Frequency Stabilized Laser for Optical Frequency Standards.
The Review of Laser Engineering, 1993 Five frequency stabilized laser types were recommended as the optical frequency / wavelength standards for the practical realization of the meter which was redefined in 1983. Since 1983, work in national laboratories, Bureau International des Poids et Mesures and elsewhere has substantially improved the reproducibility of the radiations which are ...
openaire +2 more sources