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Heydari F, Erfan A, Mohammadi R, Zadhush M H, Ehsandoost H, Sajadi M, et al . Design and Fabrication of Fused Optical Fiber Directional Coupler Using CO2 Laser . ICOP & ICPET _ INPC _ ICOFS 2014; 20 :997-1000
URL: http://opsi.ir/article-1-394-en.html
URL: http://opsi.ir/article-1-394-en.html
Farhad Heydari * 
1, Alireza Erfan , Rohollah Mohammadi , Mohammad Hasan Zadhush , Hasan Ehsandoost , Mohammad Sajadi , Ali Salehi , Mehran Dezfuli
1, Alireza Erfan , Rohollah Mohammadi , Mohammad Hasan Zadhush , Hasan Ehsandoost , Mohammad Sajadi , Ali Salehi , Mehran Dezfuli
Abstract: (4960 Views)
This paper presents a simple technique improving the symmetry of tapered fibers and fused directional fiber coupler with a CO2 laser. The uniform heat distribution inside an optical fiber is achieved by using a scanning spot laser beam implementing a galvanometer mirror which applies uniform heat on HZ length of the optical fibers simultaneously. Highly symmetric and low loss tapers and fused couplers are achieved by using an adiabatic criteria.
Keywords: CO2 laser, tapered fiber, fused directional fiber coupler, galvanometer mirror, adiabatic criteria
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