As-S and As-Se based photonic band gap fiber for IR laser transmission

IR transmissive As- S glass and As- Se glass triangular photonic band gap fiber structures are theoretically modeled. The potential for propagation of air- guided modes in the defect regions of these fibers is demonstrated by the large out of plane two- dimensional photonic band gaps found in these structures. Fiber design for IR light propagation is discussed. (C) 2003 Optical Society of America.