We calculate the asymptotic first-order polarization mode dispersion statistics of constantly spun fibers. We show that in the long length regime the mean differential group delay of constantly spun fibers grows linearly with distance at the same rate as for unspun fibers. Conversely, the short length regime of constantly spun fibers may be much longer, even for limited spin rates.
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http://dx.doi.org/10.1364/ol.28.001639 | DOI Listing |
Prog Biomater
March 2022
Department of Medical Nanotechnology, Applied Biophotonics Research Center, Science and Research Branch, Islamic Azad University, 1477893855, Tehran, Iran.
The need for bone tissue replacement, repair and regeneration for orthopedic application is constantly growing. Therefore, the application of cartilage substitute due to the lack of donors as well as biocompatibility leads to immune system rejection. In order to overcome these drawbacks, researchers have used porous scaffold as an option for bone transplantation.
View Article and Find Full Text PDFBiomacromolecules
July 2015
†ETH Zurich, Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, Vladimir-Prelog-Weg 1, CH-8093, Zurich, Switzerland.
Sustainability, renewability, and biodegradability of polymeric material constantly gain in importance. A plausible approach is the recycling of agricultural waste proteins such as keratin, wheat gluten, casein or gelatin. The latter is abundantly available from animal byproducts and may well serve as building block for novel polymeric products.
View Article and Find Full Text PDFJ Biomed Mater Res A
February 2012
Department of Medicine, University of Melbourne, St. Vincent's Hospital, 35 Victoria Parade, Fitzroy, Victoria 3065, Australia; Clinical Neurosciences, 5th Floor, Daly Wing, St. Vincent's Hospital, 35 Victoria Parade, Fitzroy, Victoria 3065, Australia.
Epilepsy is a chronic neurological disorder characterized by recurrent seizures, and is highly resistant to medication with up to 40% of patients continuing to experience seizures whilst taking oral antiepileptic drugs. Recent research suggests that this may be due to abnormalities in the blood-brain barrier, which prevent the passage of therapeutic substances into the brain. We sought to develop a drug delivery material that could be implanted within the brain at the origin of the seizures to release antiepileptic drugs locally and avoid the blood brain barrier.
View Article and Find Full Text PDFOpt Lett
November 2007
Department of Information Engineering, University of Padova, Via G. Gradenigo 6/B, 35131 Padova, Italy.
We show that the polarization mode dispersion of a constantly spun, single-mode fiber is strongly influenced by the autocorrelation function of its birefringence. In particular, under probable conditions, the mean square differential group delay of the spun fiber may even be higher than the delay that the same fiber would have if it were not spun.
View Article and Find Full Text PDFIn a previous paper the generalized Schroedinger equation that governs wave propagation in a rapidly-spun fiber was derived. In this paper the aforementioned equation is used to study four-wave mixing (FWM). The properties of FWM associated with a rapidly-spun fiber are described, and contrasted to those associated with constantly-birefringent and randomly-birefringent fibers.
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