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Researchers from the University of Southampton Optoelectronics Research Centre (ORC) have introduced three unique hollow-core fiber designs that each exhibit losses comparable to or lower than those that solid glass fibers are able to achieve around wavelengths of 660, 850, and 1060 nm. The fibers, in addition to reducing losses of power that standard glass fibers currently experience, withstood testing at high lasing intensities, such as those needed to melt rock and drill oil wells.
Silica glass optical fibers have traditionally served as transmission media for high-speed optical communications, powering the internet and cloud-based services. Due to light scattering inside the glass, however, a fraction of power is lost in the…READ MORE