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

<table>Variation of single mode (white squares) and the multimode SFBG wavelength response (black circles,) with temperature.  Wavelength variation of the Bragg resonance of a type II-IR FBG written in <i>SMF-28</i> fiber is also shown (black triangle).</table>

Laser Chemistry

fig28

Figure 28

Figure 28: Induced Bragg Gratings in Optical Fibers and Waveguides Using an Ultrafast Infrared Laser and a Phase Mask 