TIR diffraction gratings were fabricated with less than 0.6 dB IL and 0.2 dB PDL respectively across a 50-nm bandwidth. Littrow measurements resulted in low PDL across 100-nm bandwidth, with up to 100% diffraction efficiency.
© 2004 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1950) Diffraction and gratings : Diffraction gratings
(050.2770) Diffraction and gratings : Gratings
(230.1950) Optical devices : Diffraction gratings
(260.6970) Physical optics : Total internal reflection
J. R. Marciante, J. I. Hirsh, D. H. Raguin, and E. T. Prince, "Polarization-insensitive, high-dispersion TIR diffraction gratings," in Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing, OSA Technical Digest (Optical Society of America, 2004), paper DMA1.