Results 31 to 40 of about 2,134 (135)

Circular‐Polarization‐Sensitive Organic Photodetectors with a Chiral Nanopatterned Electrode Inverse‐Designed by Genetic Algorithm

open access: yesAdvanced Functional Materials, Volume 36, Issue 42, 26 May 2026.
A chiral photodetector capable of selectively distinguishing left‐ and right‐handed circularly polarized light is experimentally demonstrated. The device, which features a nanopatterned electrode inverse‐designed by a genetic algorithm within a metal–dielectric–metal nanocavity that incorporates a vacuum‐deposited small‐molecule multilayer, exhibits ...
Kyung Ryoul Park   +3 more
wiley   +1 more source

Bandwidth Extension for Transimpedance Amplifiers [PDF]

open access: yes, 2011
This chapter aims to introduce optical receivers in general and application of electronic circuits in these receivers then some important parts of these electronic circuits which are the amplifiers are discussed. An attempt has been made in this chapter to provide some useful information about different aspects of the optical communication in our life ...
openaire   +1 more source

Mapping of Physiological Signals From Wireless Battery‐Free Implants With Plane‐Wave Ultrasound Imaging

open access: yesAdvanced Materials Technologies, Volume 11, Issue 9, 6 May 2026.
Combined approach of electromagnetic (Power) and ultrasound (data harvesting) waves is proposed to address the miniaturized ultrasonic implants. Electromagnetic waves trigger the piezoelectric element to generate the acoustic pulse which is modulated by the variations in the sensor's impedance.
Anam Bhatti   +6 more
wiley   +1 more source

Ultraviolet-C Photoresponsivity Using Fabricated TiO2 Thin Films and Transimpedance-Amplifier-Based Test Setup. [PDF]

open access: yesSensors (Basel), 2022
Cadatal-Raduban M   +5 more
europepmc   +1 more source

A Tunable-Gain Transimpedance Amplifier for CMOS-MEMS Resonators Characterization. [PDF]

open access: yesMicromachines (Basel), 2021
Perelló-Roig R   +3 more
europepmc   +1 more source

Dual Transimpedance Amplifier for 43 Gbps applications

open access: yes, 2002
A 3-stage dual TransImpedance Amplifier (TIA) on one 2x1.8 mm 2 GaAs chip with 0.2 µm pHEMT technology has been designed for fiberoptic communication applications. It uses cascode connected common source FETs in a Constant-K configuration. The operating frequency ranges from DC to 35 GHz. The TIA is designed for a diode capacitance of 120 fF.
van Wanum, M.   +3 more
openaire   +3 more sources

Constant-bandwidth adaptive transimpedance amplifier

open access: yesElectronics Letters, 2007
A new CMOS transimpedance amplifier (TIA) with variable gain for optical fibre communication receivers is presented. The proposed configuration is realised in a low-cost digital 0.35 µm CMOS process fed from a single 1.8 V voltage supply. A 56–68 dBΩ transimpedance gain variation range is attained with 1 GHz bandwidth.
M.T. Sanz   +3 more
openaire   +1 more source

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