Instantaneous mapping of liquid crystal orientation using a polychromatic polarizing microscope

TL;DR

This paper introduces a novel polychromatic polarizing microscope capable of instantaneously mapping liquid crystal orientations in a single shot, significantly improving temporal resolution over traditional methods.

Contribution

The paper presents a new microscopy technique that enables rapid, single-shot mapping of liquid crystal optical axes, reducing acquisition time compared to existing methods.

Findings

Achieved real-time mapping of liquid crystal orientation.

Demonstrated superior speed over conventional polarizing microscopes.

Validated the technique through comparative analysis.

Abstract

Polarizing microscopy brought about many advancements in the science of liquid crystals and other soft materials, including those of biological origin. Recent developments in optics and computer-based analysis enabled a new generation of quantitative polarizing microscopy which produces spatial maps of the optic axis. Unfortunately, most of the available approaches require a long acquisition time of multiple images which are then analyzed to produce the map. We describe a polychromatic polarizing microscope, which allows one to map the patterns of the optical axis in a single-shot exposure, thus enabling a fast temporal resolution. We present a comparative analysis of the new microscope with alternative techniques such as a conventional polarizing optical microscope and MicroImager of Hinds Instruments.