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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 265-268 |
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Lanjani A, Shahbazi A H, Madanipour K. Investigation of Laser Diodes Efficiency Under Frequency Modulation. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :265-268
URL: http://opsi.ir/article-1-2031-en.html
URL: http://opsi.ir/article-1-2031-en.html
1- Faculty of Physics and Energy Engineering, Amirkabir University of Technology
2- Faculty of Physics, University of Tehran
2- Faculty of Physics, University of Tehran
Abstract: (1810 Views)
Laser diodes have different operating modes, such as continuous (CW), pulsed, and modulated modes. In this article, by modulating a pulse wave with a specific frequency (f) and duty cycle, we change the output current and frequency of laser diode. So the laser diode output changes to modulated mode. Because of the structure of semiconductor lasers and the short duration of injecting current to the active region of laser, the electrical characteristics of the laser will be changed so that laser diode can be overdriven. In this experiment, we will show the effects of frequency on laser diode efficiency.
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