Chirped fiber Bragg gratings written with ultrashort pulses and a tunable phase mask

Thermal Expansion Coefficients and Shifts in the Period at $\Delta \mathrm{T}=70\mathrm{K}$ for a Pitch of $\Lambda =2.15\mu \mathrm{m}$ of Fused Silica [12], PMMA [13], and Aluminum [14]

Reflectivity, Measured $\Delta {\lambda }_m$ , and Theoretical $\Delta {\lambda }_{\mathit{th}}$ Bandwidth of the CFBGs Shown in Fig. 3

Table 1

Thermal Expansion Coefficients and Shifts in the Period at $\Delta \mathrm{T}=70\mathrm{K}$ for a Pitch of $\Lambda =2.15\mu \mathrm{m}$ of Fused Silica [12], PMMA [13], and Aluminum [14]

Table 2

Reflectivity, Measured $\Delta {\lambda }_m$ , and Theoretical $\Delta {\lambda }_{\mathit{th}}$ Bandwidth of the CFBGs Shown in Fig. 3