In dairy cattle, the rumen environment is designed to function optimally within a pH range of 6.2 to 7.2. To maintain healthy rumen function, dairy cows require diets that contain adequate amounts of physically effective neutral detergent fiber (peNDF). Ensuring adequate intake of peNDF can, however, be difficult because most commercial dairy rations, designed to maximize milk production, conta...

Elasticity of planar fiber networks" (2007). Faculty Publications from Nebraska Center for Materials and Nanoscience. 17. A micromechanics model is proposed for the elasticity of planar fiber networks ͑FNs͒. The FN is created by random deposition of linearly elastic straight rods within a region. The rods are bonded rigidly at contacts. Under external in-plane loading, the FN deformation consists...

We have investigated and developed a theoretical approach to explore stimulated Brillouin scattering (SBS) phenomena in single mode fiber. SBS happening threshold power condition has been studied in terms of fiber parameters and input pump power. To assess threshold power precisely, the pump depletion effect and fiber loss has been included by employing 1% criterion. The threshold exponential g...

We report a novel "single trench fiber" design for mode area scaling of the fundamental mode while offering effective single mode operation for a compact fiber laser device. This fiber design allows very high suppression of the higher order modes by offering high loss and power delocalization. It has the advantages of low cost and easy fabrication thanks to all solid fiber design, cylindrical s...

Biopersistence of fibers in the respiratory airways is a concept including both the physical durability of the fibers and their chemical stability. Physical durability results from several events of diverse origins: fiber epuration by the lung clearance mechanisms, internalization by scavenger cells and fiber splitting. Fibers residing in the lung milieu will be attacked and modified chemically...

We have shown the opportunity to use unique inhomogeneities of internal structure an optical fiber waveguide for remote authentication users or optic line. Optical time domain reflectometry (OTDR) is demonstrated be applicable observing unclonable backscattered signal patterns at distances tens kilometers. The physical nature detected was explained, and their characteristic spatial periods were...

Repeater spacing in fiber optic communication is optimized taking into consideration various parameters such as fiber attenuation, Stimulated Brillouin Scattering (SBS), Stimulated Raman Scattering (SRS), fiber attenuation, photodiode sensitivity and input power. In our work, we have taken a trade off between power threshold in order to reduce SBS varying the effective fiber length and effectiv...

We present an experimental study of the impact of FWM-induced nonlinear spectral broadening on the effective reflectivity of ultra-long Raman fiber laser cavities of diverse lengths and fiber bases. We observe an exponential decay of the effective reflectivity with growing power. In standard single-mode fiber, effective reflectivity drops of up to 50% for shorter cavity lengths are observed, wh...