METHOD AND APPARATUS FOR APPLYING A MID-IR GRADED-INDEX MICROSTRUCTURE TO AN OPTICAL FIBER TIP TO ACHIEVE ANTI-REFLECTIVE PROPERTIES

摘要

A method and apparatus for applying a mid-IR graded microstructure to the end of a chalcogenide glass optical fiber are presented herein. The method and apparatus transfer a microstructure from a negative imprint on a nickel shim to a chalcogenide glass fiber tip with minimal shape distortion and minimal damage-threshold impact resulting in large gains in anti-reflective properties.