Active and passive optical components using liquid crystals

Martin Stalder

doi:10.1117/12.248507

26 August 1996 Active and passive optical components using liquid crystals

Martin Stalder

Proceedings Volume 2783, Micro-Optical Technologies for Measurement, Sensors, and Microsystems; (1996) https://doi.org/10.1117/12.248507
Event: Lasers, Optics, and Vision for Productivity in Manufacturing I, 1996, Besancon, France

Abstract

The vast majority of liquid crystal (LC) devices are used today in displays and image projection systems. The goal of this work is to demonstrate that with LC other helpful optical components can also be built. Two classes of devices are presented. The first class represent 1-dimensional spatial light modulators with high resolution electrodes to be used as beam steering devices. These devices are parallel LC cells and represent electrically controllable birefringent phase gratings. The second class involves what we call polarization converter devices and which represent the passive LC devices. These nematic LC devices are fairly easy to fabricate and a new class of light fields can be generated with them, namely linearly polarized light with axial symmetry. These fields are very difficult to generate unless the LC components described here are used.

Citation Download Citation

Martin Stalder "Active and passive optical components using liquid crystals", Proc. SPIE 2783, Micro-Optical Technologies for Measurement, Sensors, and Microsystems, (26 August 1996); https://doi.org/10.1117/12.248507

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