Meister, Stefan; Franke, Bülent A.; Dziedzina, Marcus; Schweda, Dawid; Scharfenorth, Chris; Eichler, Hans J. (Technische Universität Berlin, Institut für Optik und Atomare Physik, ER1-1, Str. des 17. Juni 135, 10623 Berlin, Germany)
Bandpass filters based on a Fabry-Perot structure are coated on end-faces of optical fibers. The layer design and the deposition process were optimized to achieve high transmission. Bandwidths of less than 1 nm were obtained.