Review Article

Induced Bragg Gratings in Optical Fibers and Waveguides Using an Ultrafast Infrared Laser and a Phase Mask

Figure 4

(a) Growth of the index modulation as a function of time and pulse energy. (b) Scaling behavior of the growth rate as function of energy.
416251.fig.004a
(a)
416251.fig.004b
(b)