Calibration of liquid crystal variable retarders using a common-path interferometer and fit of a closed-form expression for the retardance curve

NP Schnoor, RC Niemeier, AL Woods, JD Rogers - Applied optics, 2020 - opg.optica.org
A liquid crystal variable retarder (LCVR) enables fast, automated control of retardance that
can be used as a variable waveplate in polarimetric instruments. However, precise control of …

Broadband extended source imaging Mueller-matrix polarimeter

JM López-Téllez, RA Chipman, LW Li… - Optics Letters, 2019 - opg.optica.org
An imaging Mueller matrix polarimeter, named the red–green–blue (RGB) 950, takes
images of medium-sized (tens of centimeters) objects by using a very bright source, large …

Method to calibrate a full-Stokes polarimeter based on variable retarders

I Montes-González, NC Bruce… - Applied Optics, 2019 - opg.optica.org
We present a calibration method for a full-Stokes polarimeter. The polarimeter uses two
liquid-crystal variable retarders (LCVR) and a linear polarizer to measure the four Stokes …

Trajectories on the Poincaré sphere of polarization states of a beam passing through a rotating linear retarder

K Salazar-Ariza, R Torres - Journal of the Optical Society of America …, 2017 - opg.optica.org
The emerging polarization states from a linearly polarized monochromatic light passing
through a rotating linear quarter-wave plate have been characterized as the intersection …

Calibration and data extraction in nonoptimized Mueller matrix polarimeters

O Rodríguez-Nuñez, JM López-Téllez… - Applied Optics, 2017 - opg.optica.org
We present a method for calibration and data extraction for a nonoptimized Mueller matrix
polarimeter. The advantage of this type of method is a reduction in measurement time for …

Characterization of retardance spatial variations over the aperture of liquid-crystal variable retarders

CN Ramírez, I Montes-González, NC Bruce… - Applied Optics, 2021 - opg.optica.org
We present a comparison of two experimental methods to measure retardance as a function
of applied voltage and as a function of position over the aperture of liquid-crystal variable …

Liquid crystal variable retarder with microchannels for high-power continuous laser application

J Wang, Y Zhao, C Tao, J Wang, Y Chen… - Journal of Molecular …, 2025 - Elsevier
A liquid crystal variable retarder (LCVR) experiences significant thermal effects when
exposed to high-power continuous-wave lasers, leading to the degradation of its phase …

Influence of ITO layer on laser tolerance of liquid crystal device under continuous-wave laser loading

K Wang, H Gong, X Liu, C Tao, D Li, Z Cao, D Zhang… - Optik, 2022 - Elsevier
The laser performance of liquid-crystal devices (LCDs) must be considered because of their
applications in laser systems. The phase modulation variation mechanisms, as well as the …

Permitted experimental errors for optimized variable-retarder Mueller-matrix polarimeters

NC Bruce, JM López-Téllez, O Rodríguez-Núñez… - Optics …, 2018 - opg.optica.org
An optimized Mueller-matrix polarimeter is simulated. The polarimeter is optimized by
finding the configurations of the polarization state generator and polarization state analyzer …

Error analysis and compensation for a discrete dual rotating retarder Mueller matrix polarimeter

E Chironi, C Iemmi - Applied optics, 2020 - opg.optica.org
In this work, the error sources that affect a dual rotating retarder polarimeter working in a
discrete rotation scheme are studied. Moreover, those errors not sufficiently analyzed in the …