M. Aslund et al., Locking in photosensitivity within optical fiber and planar waveguides by ultraviolet preexposure, OPTICS LETT, 24(24), 1999, pp. 1826-1828
Strong photosensitivity is locked in permanently after hydrogen outdiffusio
n of hydrogen-loaded waveguides presensitized with UV light by either pulse
d 193-nm or cw 244-nm laser output. (C) 1999 Optical Society of America. OC
IS codes: 160.3130, 160.2750, 160.5320, 230.3120, 350.3390.