posted on 2024-07-11, 13:29authored byS. P. Yam, D. J. Kitcher, Scott WadeScott Wade, G. W. Baxter, S. F. Collins
By using a simple technique of UV laser irradiation at various regions along a chirped phase mask, the actual wavelengths in the region of 2/3 of the Bragg wavelength (i.e. ~1030 nm) and the Bragg wavelength (~1535 nm) were investigated as a function of the phase mask periodicity.