Change in long period grating spectra with length

2016-09-09T14:01:08Z (GMT) by Matthew Partridge Stephen James
<div>The transmission spectra of a 109.5 µm period LPG during fabrication, recorded after 10, 20, 30, and 40 mm of the LPG had been written.</div><div><br></div><div>The modelled spectra of an LPG with 109.5 um period. Using the approach of Erdogan, the coupled mode equations were solved numerically to allow the transmission spectrum of the LPG to be simulated, assuming that the amplitude of the index modulation was 1.3 x10<sup>-4</sup></div>