In this work, we propose an analytical formula for estimating confinement loss in Tube Lattice Fibers. The formula is based on a single-tube model and the comparison with numerical simulations of three TLFs designed to work in the UV, NIR, and THz spectral ranges shows good agreement.
Analytical estimation of confinement loss in tube lattice fibers / Rosa, Lorenzo; Vincetti, Luca. - 2018:(2018), p. JTu5A.65. (Intervento presentato al convegno Advanced Photonics Congress - Specialty Optical Fibers tenutosi a Zurigo nel 2018) [10.1364/BGPPM.2018.JTu5A.65].