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ICOP & ICPET 2015, 21 - : 1225-1228 Back to browse issues page
The Effects of Changes of Current and Temperature on the Selection of Filter for Free Space Optical (FSO) Communication
S. S. Khatami Mrs.1, Behnam Shariati Mr.2, Fatemeh Dabbagh Kashani Dr.2, S. Mohammad Mirkazemi Dr. * 2
1- Iran University of Science and Technology
2- Iran university of science and technology
Abstract:   (2022 Views)
Semiconductor lasers play an important role in free space optical communications for capability of direct modulation and changing the power by changing the current. The changes of current and temperature of the system alter the wavelength and these changes affect the optical receiver system design and in particular its filters. In this article, wavelength chirping of semiconductor laser due to changes in current and temperature have been measured. Based on the range of variation, suitable combined filter consisting of a low pass filter and high pass filter was selected. The measurement results are presented using graphs and charts.
Keywords: Wavelength chirping, Semiconductor laser, Optical filter, Free Space Optical (FSO) Communication
Full-Text [PDF 394 kb]   (1307 Downloads)    
Type of Study: Research | Subject: Special
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Khatami S S, shariati B, Dabbagh Kashani F, Mirkazemi S M. The Effects of Changes of Current and Temperature on the Selection of Filter for Free Space Optical (FSO) Communication. ICOP & ICPET. 2015; 21 :1225-1228
URL: http://opsi.ir/article-1-685-en.html


Volume 21 - Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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