Impact of interstitial air holes on a wide-bandwidth rejection filter made from a photonic crystal fiber Kim, Jinchae ; Paek, Un-Chul ; Lee, Byeong Ha ; Hu, Jonathan ; Marks, Brian ; Menyuk, Curtis R. Abstract Publication: Optics Letters Pub Date: May 2006 DOI: 10.1364/OL.31.001196 Bibcode: 2006OptL...31.1196K