Fig. 5-9 Spectral intensity response calculated from the OLCR response
(solid lines) and directly measured with a tunable laser (circles); the wavelength
difference origin corresponds to the average Bragg wavelength lmc(F)
The Fig. 5-9
presents the spectral intensity response obtained for various loading forces (0
N corresponds to the measurement after the loading process and the relaxation
rest). The wavelength difference is calculated from the average Bragg
wavelength lmc(F). A very good agreement is observed between the spectral
responses calculated from the OLCR data and measured with a tunable laser. The
maximal reflectivity is two third smaller at 384 N than without load,
while at the same time, the spectral range is broadened by factor of 3.5.
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