Liquid crystal tunable filters are gaining wide acceptance in such diverse areas as optical
fiber communications, astronomy, remote sensing, pollution monitoring, color generation for …

We introduce and demonstrate a novel tunable optical filter that is insensitive to input
polarization. While the most obvious application of this novel filter is in compact …

One of the key components in future wavelength-division-multiplexed (WDM) networks is a
tunable optical filter. Desirable characteristics for a commercially successful filter include …

A polarization-insensitive, tunable nematic liquid crystal Fabry-Perot filter incorporating
polymer liquid crystal waveplates within the Fabry-Perot cavity is presented. The …

Liquid crystal (LC) devices exhibit fast and strong tuning and switching capabilities using
small voltages and can be miniaturized thus have a great potential to be used with miniature …

We demonstrate a wavelength-independent tunable liquid crystal (LC) polarization rotator
using two nematic LC retarders for the spectral range from 450 to 1000 nm and wider. The …

We report a new familiy of polarimetric imaging cameras based on tunable liquid crystal
components. Our camera designs use a dual frequency liquid crystal tunable filter that …

The ability to accurately rotate the polarization of incident light while minimizing any losses
in polarization purity has applications in optical switching, polarimetry, and microscopy …

Tunable filters, capable of spectral discrimination, have applications in optical sensing and
signal processing, wavelength division multiplexing and demultiplexing, colorimetry and …

A new discrete-channel tunable Lyot filter that uses ferroelectric liquid-crystal (FLC) smectic
C* wave plates is described and demonstrated. The device is tuned by changing the …