CD Skripsi
Analisis Birefringence Pada Serat Optik Dan Pengaruhnya Terhadap Panjang Gelombang
The development of optical communication technology demands stable and efficient transmission media, one of which is single mode fiber (SMF). One of the main challenges in optical fiber performance is the birefringence phenomenon, which is the difference in refractive index between two orthogonal polarization directions, which can cause polarization dispersion and decreased transmission quality. This study aims to analyze the birefringence characteristics of five types of SMF-SMF-28, SMF-28e, SMF-28e+, SMF-28e+LL, and SMF-28 ULL using
OptiFiber software-based simulations. Simulations were performed by varying the wavelength between 1000-1550 nm and applying parameters such as refractive index, photoelastic, constant, Young's modulus, and fiber bending radius. The results show that the birefringence value decreases significantly as the wavelength increases, with the highest value obtained at 1000 nm. The SMF-28e+ fiber exhibits the highest ∆n value and normalization frequency, making it the most responsive to external disturbances and suitable for polarization control-based applications. In conclusion, the selection of the right optical fiber type and wavelength is crucial in the optimization of optical fiber-based communication and sensor systems. These findings make an important contribution to the development of high-performance optical fiber designs for high-speed data transmission and precision sensor applications.
Keywords: birefringence, single-mode optical fiber, SMF-28, OptiFiber, refractive index, wavelength
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