Results 51 to 60 of about 151,013 (284)

Infrared Nanocrystals for Space Application: Hardness to Irradiations

open access: yesAdvanced Functional Materials, EarlyView.
This article investigates infrared HgTe nanocrystals under X‐ray and ion irradiation, revealing remarkable radiation hardness. It uncovers distinct degradation mechanisms and shows that the nanomaterial outperforms integrated electronics. The results position colloidal nanocrystals as promising candidates for resilient space and harsh‐environment ...
Alexandre Neyret   +22 more
wiley   +1 more source

PENGUJIAN SENSOR CAHAYA PHOTOTRANSISTOR DAN PHOTODIODE PADA PEMANTAU DENYUT JANTUNG DENGAN METODE PHOTOPLETHYSMOGRAPH REFLEKSI

open access: yesSimetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer, 2019
Penelitian ini dilakukan karena banyaknya penyakit yang diakibatkan gangguan fungsi jantung dan pembuluh darah yang tidak terdeteksi secara dini. Pada makalah ini menyajikan pengujian dan pembuatan alat pemantau denyut jantung dengan sensor cahaya ...
Antonius Hendro Noviyanto
doaj   +1 more source

Laser‐Welded Cellulose‐Carbon Nanotube Nanocomposites as a 3D Scaffold of Si Anodes for High‐Performance Lithium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A Si anode comprising entangled networks of cellulose and SWCNT (C‐CNT) nanocomposites as an anode electrode for a high‐performance LIB is realized by fully utilizing the generated microstructure of a novel conductive 3D scaffold via a low‐temperature and eco‐friendly process. Additionally, localized heating via photo‐thermal conversion can be utilized
Boeun Ryu   +5 more
wiley   +1 more source

Selective Photosensitive Structures Based On Au-Algan Schottky Barrier

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2016
Created and studied selective photosensitive structures based on Au-AlGaN Schottky barrier for the ultraviolet range of the spectrum. The methods of spectrum management photosensitivity by the use of the wide windows and the effects of over-barrier ...
A. S. Evseenkov   +4 more
doaj  

Nonlinearity Measurement of Si Transferring Photodetector in the Low Radiation Flux Range

open access: yesPhotonics, 2023
In order to establish a transferring chain from a photon flux of a single-photon source in quantum radiometry, the nonlinearity of the photodetector needs to be accurately measured.
Yue Li   +5 more
doaj   +1 more source

Nonlinear symmetry breaking in photo-metamaterials

open access: yes, 2017
We design and analyze photo-metamaterials with each meta-atom containing both photodiode and light-emitting diode. Illumination of the photodiode by the light-emitting diode gives rise to an additional optical feedback within each unit cell, which ...
Belov, Pavel A.   +4 more
core   +1 more source

Imaging of Biphoton States: Fundamentals and Applications

open access: yesAdvanced Functional Materials, EarlyView.
Quantum states of two photons exhibit a rich polarization and spatial structure, which provides a fundamental resource of strongly correlated and entangled states. This review analyzes the physics of these intriguing properties and explores the various techniques and technologies available to measure them, including the state of the art of their ...
Alessio D'Errico, Ebrahim Karimi
wiley   +1 more source

Light Flicker Frequencies in the HID lamps

open access: yesAlgerian Journal of Signals and Systems, 2017
In order to reduce the electric consumption for high intensity discharge lamps (HID), the use of high frequencies electronic ballasts represents both a solution and many advantages such as, the decrease in the congestion, low costs and weak losses ...
Lakhdar Amer   +2 more
doaj   +1 more source

Construction of a Miniaturized Monosaccharide Detection System Based on Measuring Electric Current and Testing Its Performance Using a Bodipy Fluorescent Dye

open access: yesEngineering Proceedings, 2023
In this study, a low-cost, miniaturized fluorescence-based measurement system for optical biosensors has been developed. A 3D-printed setup with a blue light-emitting diode (LED) and photodiode was used for electrical detection and monitoring of ...
Omar Kerbouche   +2 more
doaj   +1 more source

Crosstalk Correction in Atomic Force Microscopy

open access: yes, 2006
Commercial atomic force microscopes usually use a four-segmented photodiode to detect the motion of the cantilever via laser beam deflection. This read-out technique enables to measure bending and torsion of the cantilever separately.
E. Soergel   +4 more
core   +1 more source

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