@article{Flannery:17, author = {Jeremy Flannery and Golam Bappi and Vineeth Bhaskara and Omar Alshehri and Michal Bajcsy}, journal = {Opt. Mater. Express}, keywords = {Fiber Bragg gratings ; Photonic crystal fibers ; Bragg reflectors; Dielectric mirrors; Effective refractive index; Fiber Bragg gratings; Hollow core fibers; Photonic crystal fibers}, number = {4}, pages = {1198--1210}, publisher = {Optica Publishing Group}, title = {Implementing Bragg mirrors in a hollow-core photonic-crystal fiber}, volume = {7}, month = {Apr}, year = {2017}, url = {https://opg.optica.org/ome/abstract.cfm?URI=ome-7-4-1198}, doi = {10.1364/OME.7.001198}, abstract = {We propose and numerically simulate two methods for implementing Bragg gratings in hollow-core photonic-crystal fibers. These two methods leave the hollow-core unobstructed and both are based on controlled selective injection of photosensitive polymers into the photonic-crystal region of the hollow-core fiber, followed by interference photolithography. We report the results of numerical simulations for the hollow core fiber with Bragg gratings formed by the two methods. We find that a reflectivity of \&\#x0003E; 99.99\&\#x00025; should be achievable from such fiber-integrated mirrors.}, }