Results 71 to 80 of about 9,331 (329)
Optical physics of imaging and interferometric phased arrays [PDF]
SPIE Proceedings, 2006 Microwave, submillimetre-wave, and far-infrared phased arrays are of considerable importance for astronomy. We consider the behaviour imaging phased arrays and interferometric phased arrays from a functional perspective. It is shown that the average powers, field correlations, power fluctuations, and correlations between power fluctuations at the ...
Withington, Stafford +2 more
openaire +2 more sources
Directed evolution of enzymes at the crossroads of tradition and innovation
FEBS Open Bio, EarlyView.An iterative cycle of data‐driven enzyme optimization comprising four stages: genetic diversification of a template enzyme, expression of protein variants, high‐throughput evaluation, and machine‐learning‐guided redesign of the next variant library.
Maria Tomkova +2 more
wiley +1 more source
Laser phased array generated ultrasound for nondestructive evaluation of ceramic materials
, 2010 This paper describes the experimental application of a phased optical fiber array to transmit pulsed laser light to the free surface of Carborundum CS-3 ceramic samples for ultrasonic nondestructive evaluation (NDE).
楊智旭; Yang, Jr-Syu; Sanderson, T.; Ume, C.; Jarzynski, J.
core +1 more source
Silicon optical phased array with calibration-free phase shifters
Optics Express, 2022 Optical phased array (OPA) based on silicon photonics is considered as a promising candidate for realizing solid-state beam steering. However, the high refractive index contrast of the silicon waveguides leads to conventional silicon based OPA suffering from large random phase errors, which require complex post-processing such as time-consuming phase ...
Wenlei Li +4 more
openaire +2 more sources
Five‐Year Disease Progression in Synuclein Seeding Positive Sporadic Parkinson's Disease
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To provide a comprehensive description of disease progression in synuclein seeding assay (SAA) positive sporadic Parkinson Disease participants, using Neuronal Synuclein Disease integrated biological and functional impairment staging framework.
Paulina Gonzalez‐Latapi +19 more
wiley +1 more source
High-speed ghost imaging by an unpredictable optical phased array
Frontiers in Physics, 2022 Ghost imaging (GI) retrieves an image from the correlation between a sequence of illumination patterns on the object and their corresponding bucket detections.
Xuyang Sun +10 more
doaj +1 more source
Scaling Optical Phased Arrays [PDF]
, 2021 Optical phased array (OPA) technology can improve the useful capabilities of lasers by controlling the relative optical phase of an array of emitting apertures.
Sibley, Paul
core +1 more source
Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende +26 more
wiley +1 more source
Demonstration of 128-Channel Optical Phased Array With Large Scanning Range
IEEE Photonics Journal, 2021 We have proposed a 128-channel silicon-based optical phased array (OPA) chip with an overall antenna, and a large two-dimensional scanning range of 104.0° × 17.6° was achieved.
Guangzhen Luo +9 more
doaj +1 more source
Impact of phased array on optical performance of AWG-spectrometers
, 2020 We studied an impact of phased array on optical performance and size of SiN based AWG-spectrometers, which plays a significant role in integration on chip.
Seyringer, Heinz +7 more
core +1 more source