Goebel Thorsten A, Voigtländer Christian, Krämer Ria G, Richter Daniel, Heck Maximilian, Siems Malte P, Matzdorf Christian, Reinlein Claudia, Appelfelder Michael, Schreiber Thomas, Thomas Jens U, Tünnermann Andreas, Nolte Stefan
Opt Lett. 2017 Oct 15;42(20):4215-4218. doi: 10.1364/OL.42.004215.
The period of fiber Bragg gratings is adapted by shaping the wavefronts of ultrashort laser pulses applied in a phase mask inscription technique. A specially designed deformable mirror, based on a dielectric substrate to withstand high peak powers, is utilized to deform the wavefront. A shift of about 11 nm is demonstrated for a Bragg wavelength around 1550 nm.
通过对用于相位掩膜写入技术的超短激光脉冲的波前进行整形，来调整光纤布拉格光栅的周期。采用一种基于介电基片以承受高峰值功率的特殊设计的变形镜来使波前发生变形。对于中心波长在1550nm左右的布拉格波长，实现了约11nm的漂移。
