Fiber Optics Research Group

PUBLICATIONS

Papers in International Journals

B.Drljaca, A.Simovic, A. Djordjevich, S. Savovic, "Wavelength dependence of equilibrium mode distribution and steady state distribution in W-type plastic-clad silica fibers" (submitted).
B. Drljaca, A. Simovic, S. Savovic, A. Djordjevich, "Influence of wavelength on bandwidth of W type plastic-clad silica optical fibers" (submitted).
S. Savovic, A. Djordjevich, "Mode coupling in bent and twisted step-index plastic-clad silica fibers" (submitted).
S. Savovic, A. Simovic, B. Drljaca, A. Djordjevich, G. Stepniak, C. A. Bunge, J. Bajic, "Power flow in graded index plastic optical fibers," Journal of Lightwave Technology (accepted, June 2019).
S. Savovic, A. Djordjevich, A. Simovic, B. Drljaca, "A transmission length limit for space division multiplexing in step-index silica optical fibers," Journal of Modern Optics 66, 1695-1700 (2019).
Lj. Kuzmanovic, A. Simovic, M. S. Kovacevic, S. Savovic, A. Djordjevich, "Controlling the attenuation of leaky modes in multimode W-type photonic crystal fibers in the infrared wavelength domain," Laser Physics Letters, Vol. 16, 2019, 095103 (8pp).
A. Simovic, S. Savovic, B. Drljaca, A. Djordjevich, "Controlling the bandwidth of W type plastic-clad silica optical fibers," Laser Physics Letters, Vol. 16, 2019, 085106 (7pp).
A. Simovic, S. Savovic, B. Drljaca, A. Djordjevich, "Enhanced bandwidth of W type plastic optical fibers designed from single clad step index plastic optical fibers," Optics and Laser Technology 111, 629–634 (2019).
S. Savovic, A. Djordjevich, "Mode coupling and its influence on space division multiplexing in plastic-clad silica fibers," Optical Fiber Technology 46, 192–197 (2018).
Milan. S. Kovacevic, Lj. Kuzmanovic and A. Djordjevich, "Estimation of Rayleigh scattering loss in a double clad photonic crystal fiber," Optical and Quantum Electronics 50 (5), (2018) doi.org/10.1007/s11082-018-1482-4.
M. S. Kovacevic, Lj. Kuzmanovic, A. Simovic, S. Savovic, B. Drljaca, A. Djordjevich, "Calculation of the bandwidth of multimode W-type photonic crystal fibers by time-dependent power flow equation," Optics Communications 427, 348-353 (2018).
A. Simovic, S. Savovic, B. Drljaca, A. Djordjevich, "Enhancement of the bandwidth of W-type glass optical fibers in the infrared wavelength region," Optical Fiber Technology 45, 325–329 (2018).
S. Savovic, A. Djordjevich, A. Simovic, B. Drljaca, "Influence of mode coupling on three, four and five spatially multiplexed channels in multimode step-index plastic optical fibers," Optics and Laser Technology 106, 18-21 (2018).
A. Simovic, S. Savovic, B. Drljaca, A. Djordjevich, "Infrared wavelength dependence of leaky mode losses and steady state distribution in W-type glass optical fibers," Optics Communications 419, 1–7 (2018).
S. Savovic, A. Djordjevich, "New method for calculating the coupling coefficient in graded index optical fibers," Optics and Laser Technology 101, 223–226 (2018).
S. Savovic, A. Djordjevich, "Mode coupling in multimode step-index plastic-clad silica fibers with corrugated surfaces," Optics and Laser Technology 97, 400-404 (2017).
M. S. Kovacevic, Lj. Kuzmanovic, A. Simovic, S. Savovic, A. Djordjevich, "Transients of modal-power distribution in multimode solid-core W-type photonic crystal fiber," Journal of Lightwave Technology 35, 4352-4357 (2017).
M. S. Kovacevic, K. K. Y Wong, K. Oh, "A rigorous analysis of the intermodal delay in few-mode fibers," Indian Journal of Physics 91, 1609-1614 (2017).
A. Djordjevich, S. Savovic, "Mode coupling in 340 mu m GeO2 doped core-silica clad optical fibers," Optics and Laser Technology 89, 192-195 (2017).
M. S. Kovacevic, Lj. Kuzmanovic, A. Djordjevich, "An analysis of W-shaped plastic optical fibres by WKB approximation," Optical and Quantum Electronics 48, 326-335 (2016).
A. Djordjevich, S. Savovic, "Mode coupling in glass optical fibers and liquid-core optical fibers by three methods," Optics and Laser Technology 75, 29-33 (2015).
S. Savovic, M. S. Kovacevic, J. S. Bajic, D. Z. Stupar, A. Djordjevich, M. Zivanov, B. Drljaca, A. Simovic, K. Oh, "Temperature dependence of mode coupling in low-NA plastic optical fibers," Journal of Lightwave Technology 33, 89-94 (2015).
A. Simovic, S. Savovic, B. Drljaca, A. Djordjevich, "Influence of the fiber design and launch beam on transmission characteristics of W-type optical fibers," Optics and Laser Technology 68, 151-159 (2015).
S. Savovic, B. Drljaca, M. S. Kovacevic, A. Djordjevich, J. S. Bajic, D. Z. Stupar, G. Stepniak, "Frequency response and bandwidth in low numerical-aperture step index plastic optical fibers," Applied Optics 53, 6999-7003 (2014).
S. Savovic, A. Djordjevich, "Mode coupling in plastic-clad silica fibers and organic glass-clad PMMA fibers," Journal of Lightwave Technology 32, 1290-1294 (2014).
S. Savovic, M. S. Kovacevic, A. Djordjevich, J. S. Bajic, D. Z. Stupar, M. P. Slankamenac, G. Stepniak, "Mode coupling in low NA plastic optical fibers," Optics and Laser Technology 60, 85-89 (2014).
A. Simovic, S. Savovic, B. Drljaca, A. Djordjevich, "Influence of intermediate layer on transmission characteristics of W-type optical fibers," Optics and Laser Technology 57, 209-215 (2014).
M. S. Kovacevic, A. Djordjevich, S. Savovic, J. S. Bajic, D. Z. Stupar, M. P. Slankamenac, M. Kovacevic, "Measurement of 60Co gamma radiation induced attenuation in multimode step-index POF at 530 nm," Nuclear Technology and Radiation Protection 28, 158-162 (2013).
S. Savovic, B. Drljaca, A. Djordjevich, "Influence of launch beam distribution on bandwidth in step index plastic optical fibers," Applied Optics 52, 1117-1121 (2013).
S. Savovic, A. Simovic, A. Djordjevich, "Influence of width of launch beam distribution on equilibrium mode distribution in W-type glass optical fibers," Optics and Laser Technology 48, 565-569 (2013).
M. S. Kovacevic, S. Savovic, A. Djordjevich, J Bajic, D. Stupar, M. Kovacevic, S. Simic, "Measurements of growth and decay of radiation induced attenuation during the irradiation and recovery of plastic optical fibres," Optics and Laser Technology 47, 148-151 (2013).
M. Kovacevic, A. Djordjevich, “Analysis of modal dispersion in plastic optical fibers with W-shaped refractive index,” Physica Scripta T149, 014030 (3pp) (2012).
M. Kovacevic, D. Nikezic, “Monte Carlo simulation of Goos-Hänchen shifts in multimode step-index plastic optical fibers,” Physica Scripta T149, 014029 (3pp) (2012).
M. Kovacevic, A. Djordjevich, D. Nikezic,“Estimation of material dispersion around zero material dispersion wavelengths in optical fibers,” Journal of Optoelectronics and Advanced Materials 14, 198-204 (2012).
A. Simovic, A. Djordjevich, S. Savovic, "Influence of depth of intermediate layer on optical power distribution in W-type optical fibers," Applied Optics 51, 4896-4901 (2012).
B. Drljaca, S. Savovic, A. Djordjevich, “Calculation of the frequency response and bandwidth of step-index plastic optical fibers using the time-dependent power flow equation," Physica Scripta T149, 014028 (4pp) (2012).
B. Drljaca, A. Djordjevich, S. Savovic, “Frequency response in step-index plastic optical fibers obtained by numerical solution of the time-dependent power flow equation," Optics and Laser Technology 44, 1808-1812 (2012).
S. Savovic, A. Simovic, A. Djordjevich, “Explicit finite difference solution of the power flow equation in W-type optical fibers," Optics and Laser Technology 44, 1786-1790 (2012).
S. Savovic, A. Djordjevich, “Influence of the angle-dependence of mode coupling on optical power distribution in step-index plastic optical fibers,” Optics and Laser Technology 44, 180-184 (2012).
S. Savovic, A. Djordjevich, A. Simovic, B. Drljaca, “Equilibrium mode distribution and steady-state distribution in 100-400 mu m core step-index silica optical fibers,” Applied Optics 50, 4170–4173 (2011).
S. Savovic, A. Djordjevich, “Mode coupling in chalcogenide-glass optical fibers,” Optics and Lasers in Engineering 49, 855-858 (2011).
B. Drljaca, S. Savovic, A. Djordjevich, “Calculation of the frequency response of step-index plastic optical fibers using the time-dependent power flow equation," Optics and Lasers in Engineering 49, 618–622 (2011).
M. Kovacevic, S. Simic, “Plastic Optical Fiber as a Tool for Experimenting with Simple Pendulum," Revista Brasileira de Ensino de Fisica 32, 1-7 (2011).
M. Kovacevic, A. Djordjevich, “Investigation of influence of tilt angle on mode dispersion in step-index plastic optical fibers,” Opto-Electronics Review 19, 61–65 (2011).
M. Kovacevic, A. Djordjevich, “Variation of modal dispersion and bandwidth with temperature in PMMA based step-index polymer optical fibers,” Journal of Optoelectronics and Advanced Materials 11, 1821–1825 (2010).
S. Savovic, A. Djordjevich, P. W. Tse, J. Zubia, J. Mateo, M. A. Losada, “Determination of the width of the output angular power distribution in step index multimode optical fibers,” Journal of Optics 12, 115405-5p. (2010).
A. Djordjevich, S. Savovic, P. W. Tse, B. Drljaca, A. Simovic, “Mode coupling in strained and unstrained step-index glass optical fibers,” Applied Optics 49, 5076–5080 (2010).
B. Drljaca, S. Savovic, A. Djordjevich, “Calculation of the Impulse Response of Step-Index Plastic Optical Fibers Using the Time-Dependent Power Flow Equation,” Acta Physica Polonica A 116, 658–660 (2009).
S. Savovic, A. Djordjevich, B. Drljaca, A. Simovic, “Equilibrium mode distribution and steady state distribution in step index glass optical fibers,” Acta Physica Polonica A 116, 655–657 (2009).
S. Savovic, A. Djordjevich, B. Drljaca, M. Kovacevic, “Comparison of methods for calculating coupling length in step-index optical fibers,” Acta Physica Polonica A 116, 652–654 (2009).
S. Savovic, A. Djordjevich, “Calculation of the coupling coefficient in step-index glass optical fibers,” Applied Optics 48, 4496–4500 (2009).
M. Kovacevic, A. Djordjevich, “Temperature dependence analysis of mode dispersion in step-index polymer optical fibers,” Acta Physica Polonica A 116, 649-651(2009).
M. Kovacevic, A. Djordjevich, D. Nikezic, “Light propagation in thermally expanded core fibers with graded-index,” Optica Applicata 39, 267-276 (2009).
M. Kovacevic, A. Djordjevich, D. Nikezic, “Analytical Optimization of Optical Fibre Curvature Gauges,” IEEE Sensors Journal 8, 227–232 (2008).
M. Kovacevic, A. Djordjevich, “Thermal Diffusion Process estimation for fabrication of graded plastic optical fibers,” Chinese Physics Letters 25, 4030–4033 (2008).
A. Djordjevich, S. Savovic, “Coupling length as an algebraic function of the coupling coefficient in step index plastic optical fibers,” Optical Engineering 47, 125001-6p. (2008).
S. Savovic, A. Djordjevich, “Calculation of the coupling coefficient in strained step index plastic optical fibers,” Applied Optics 47, 4935–4939 (2008).
S. Savovic, A. Djordjevich, “Influence of initial dopant distribution in fiber core on refractive index distribution of thermally expanded core fibers,” Optical Materials 30, 1427–1431 (2008).
S. Savovic, A. Djordjevich, “Method for calculating the coupling coefficient in step index optical fibers,” Applied Optics Vol. 46, 1477–1481 (2007).
M. Kovacevic, A. Djordjevich, D. Nikezic, “Effect of end-face tilt-angle on numerical aperture for straight and bent plastic optical fibers,” Fiber and Integrated Optics 26, 111-122 (2007).
M. Kovacevic, D. Nikezic, Reply to Comment on “Influence of bending on power distribution in step-index fibers and calculation of bending loss,” Applied Optics 46, 4869–4870 (2007).
S. Savovic, A. Djordjevich, “Mode coupling in strained and unstrained step-index plastic optical fibers,” Applied Optics 45, 6775–6780 (2006).
M. Kovacevic, D. Nikezic, “The influence of the bend on the power distribution in step-index plastic optical fibers and calculation of the bending loss,” Applied Optics 45, 6675-6681 (2006).
M. Kovacevic, D. Nikezic, A. Djordjevich, “Modelling of the Loss and Mode Coupling that are Due to Irregular Core-Cladding Interface in SI POF,” Applied Optics 44, 3898-3903 (2005).
A. Djordjevich, S. Savovic, “Designing graded-index plastic optical fibers from two-step-core fibers by thermal diffusion of dopants,” Optical Engineering 44, 095003-6p. (2005).
M. Kovacevic, D. Nikezic, A. Djordjevich, “Monte Carlo simulation of curvature gauges by ray tracing,” Meas. Science Tech., 15, 1756–1761 (2004).
S. Savovic, A. Djordjevich, “Influence of numerical aperture on mode coupling in step index plastic optical fibers,” Applied Optics 43, 5542–5546 (2004).
A. Djordjevich, S. Savovic, “Numerical solution of the power flow equation in step index plastic optical fibers,” Journal of the Optical Society of America B 21, 1437–1442 (2004).
S. Savovic, A. Djordjevich, “Optical power flow in plastic-clad silica fibers,” Applied Optics 41, 7588–7591 (2002).
S. Savovic, A. Djordjevich, “Solution of mode coupling in step index optical fibers by Fokker-Planck equation and Langevin equation,” Applied Optics 41, 2826–2830 (2002).
A. Djordjevich, S. Savovic, “Investigation of mode coupling in step index plastic optical fibers using the power flow equation,” IEEE Photonics Technology Letters 12, 2000, 1489–1491 (2000).