SBIR Phase I: Polarization Insensitive tunable diffraction grating

Period of Performance: 01/01/2003 - 12/31/2003

$99.5K

Phase 1 SBIR

Recipient Firm

Optellium, Inc.
250 Phillips Blvd
Ewing, NJ 08618
Principal Investigator

Abstract

This Small Business Innovation Research (SBIR) Phase I Project will investigate the use of a fast switching ferroelectric liquid crystal structure, particularly in the inverse twisted smetic structure (ITSS) to make a polarization insensitive diffraction grating structure. This will be done using the high tilt ferroelectric liquid crystal material. In this program two different approaches will be explored to make a polarization insensitive beam deflector. In one approach, a fast switching ferroelectric liquid crystal in combination with doped cross-linking agents will be used to make a switchable grating without the use of holography. A second approach will make the polarization insensitive structures using patterned alignment layers. The optimal method will be identified for further development and implementation.