Wafer-based diffractive polarizer design for low-reflectivity applications

Panfilo C. Deguzman; Yang Cao; Thomas J. Suleski; Michael A. Fiddy; Rich Jones; Robert D. Te Kolste; James E. Morris

doi:10.1117/1.2716378

1 March 2007 Wafer-based diffractive polarizer design for low-reflectivity applications

Panfilo C. Deguzman, Yang Cao, Thomas J. Suleski, Michael A. Fiddy, Rich Jones, Robert D. Te Kolste, James E. Morris

Author Affiliations +

Optical Engineering, Vol. 46, Issue 3, 038001 (March 2007). https://doi.org/10.1117/1.2716378

Abstract

We present designs of a diffractive polarizer having low zeroth-order reflectivity that is compact, potentially mass-producible and cost-effective, and compatible for high-power applications. It consists of subwavelength grating structures superimposed over a diffraction grating. Using rigorous coupled wave analysis, we optimized the parameters of multilevel grating structures to achieve antireflection for both incident TE and TM polarization states with one polarization passing in the zeroth order and the other into the first and higher orders. We focused on polarizer designs for the 1.31-μm wavelength range, and the theoretical values for zeroth-order reflection were calculated to be 0.01% for TE and 0.29% for TM modes. The zeroth-order transmission efficiencies were 97.2% for TE and 0.01% for TM modes. A prototype of one design was fabricated and tested to verify the functionality of the device, and the zeroth-order reflection was determined to be 1.2% and 3.5% for the two modes.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Panfilo C. Deguzman, Yang Cao, Thomas J. Suleski, Michael A. Fiddy, Rich Jones, Robert D. Te Kolste, and James E. Morris "Wafer-based diffractive polarizer design for low-reflectivity applications," Optical Engineering 46(3), 038001 (1 March 2007). https://doi.org/10.1117/1.2716378

Published: 1 March 2007

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