Optical pulse monitoring unit for Free Space Optics

• Autorzy: Achtenberg Krzysztof , Mikołajczyk J. , Szabra D. , Prokopiuk A. , Bielecki Z.

Identyfikatory

DOI

10.1016/j.opelre.2019.09.001

• Języki publikacji: EN

Abstrakty

EN

The paper presents a new construction of an optical pulse amplitude monitoring unit (PAMU) used in a transceiver of Free Space Optics. It consists of a buffer, constant fraction discriminator (CFD), delay line, and a sample and hold (S&H) circuit. In the design FSO system, the PAMU provides to monitor transmitted and received optical pulses with duration of few ns. Using this device, there is no need to apply complicated and expensive digitizing systems. The unique aspect of its construction is to control S&H circuit using the CFD. The lab model of this unit allows to perform tests to define some virtues of constant fraction and leading-edge discriminators. The results were implemented in optical signal monitoring of FSO system. The unit was prepared to cooperate with two different detection modules. Using this setup, it was possible, e.g. to determine operation characteristics of FSO transmitter, identify interruption of transmission, and control light power to provide high safety of work.

Słowa kluczowe

EN

pulse amplitude monitoring unit; peak detector; sample and hold (S&H) circuit; free space optical communications; constant fraction discriminator

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2019
• Tom: Vol. 27, No. 3
• Strony: 291--297
• Opis fizyczny: Bibliogr. 14 poz., fot., rys., wykr.

Twórcy

autor

Achtenberg Krzysztof

• Institute of Optoelectronics, MUT, Gen. S. Kaliskiego 2 Str., 00-908, Warsaw, Poland

autor

Mikołajczyk J.

• Institute of Optoelectronics, MUT, Gen. S. Kaliskiego 2 Str., 00-908, Warsaw, Poland

autor

Szabra D.

• Institute of Optoelectronics, MUT, Gen. S. Kaliskiego 2 Str., 00-908, Warsaw, Poland

autor

Prokopiuk A.

• Institute of Optoelectronics, MUT, Gen. S. Kaliskiego 2 Str., 00-908, Warsaw, Poland

autor

Bielecki Z.

• Institute of Optoelectronics, MUT, Gen. S. Kaliskiego 2 Str., 00-908, Warsaw, Poland

Bibliografia

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Uwagi

1. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).

2. This research was supported by The Polish National Centre for Research and Development grant DOB-BIO8/01/01/2016.