Abstract

A photosensitivity different from that responsible for fiber grating inscription is found in a supercontinuum-generating photonic crystal fiber transmitting intense 818 nm femtosecond pulses. This photosensitivity progressively generates a waveguide at the entrance of the fiber to scatter light of specific wavelengths and is termed as the photoscattering effect. This effect is linked to the ∼800 nm photosensitivity in the microlithography of bulk silica glass. While the effect somewhat limits fiber-optic supercontinuum applications, it can be beneficial to produce new photonic devices.

Original languageEnglish (US)
Article number061104
JournalApplied Physics Letters
Volume92
Issue number6
DOIs
StatePublished - Feb 22 2008

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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