Asian Journal of Physics Vol 31, No 8 (2022) 879-884

Measurement of frequency response in photodetectors by plastic optical fiber

Héctor H Cerecedo-Núñez, José E Méndez-Cruz and Patricia Padilla-Sosa
Laboratorio de Óptica Aplicada, Facultad de Física, Universidad Veracruzana, Xalapa, Ver. México.

This article is dedicated to Professor Cesar Sciammarella

This work reports the design of a basic optoelectronic communication system based on using a plastic optical fiber as a transmitting medium. The proposed system is employed to investigate the intensity-modulated frequency response in photodetectors. This system uses an electronic signal to vary an electric current, which controls the luminous power of a laser-emitting diode (infrared). Photodetector recovers the luminous signal which is transformed into an electronic signal to be adapted for further processing. The method used to find the bandwidth of the photodetectors includes voltage-width versus frequency measurements. © Anita Publications. All rights reserved.
Keywords: Plastic optical fiber, Optoelectronic communication, IR photodetectors.

Peer Review Information
Method: Single- anonymous; Screened for Plagiarism? Yes
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