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

<table>Transmission of cladding mode suppressed grating in <i>SMF-28</i> shown in Figure <a href="../fig10/">10</a>. Inset figure shows the cladding mode loss expressed as difference between the transmission spectrum and 1-R reflection spectrum.</table>

Laser Chemistry

fig11

Figure 11

Figure 11: Induced Bragg Gratings in Optical Fibers and Waveguides Using an Ultrafast Infrared Laser and a Phase Mask 