Echelle volume binary grating: a step forward

摘要

The possibility of making Volume Binary Gratings to be used in high dispersion instrumentations (echelle) is considered.The idea is to study volume gratings with a binary refractive index profile and to optimize it in terms of refractive indexmodulation, duty cycle, grating thickness keeping in mind the possible limitations in the realization step. A fulldesign/optimization of these gratings based on Rigorous Couple Wave Analysis (RCWA) has been carried out providinginteresting results in terms of diffraction efficiency. A discussion on the realization possibilities is also provided.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.