Optics of AR/VR using liquid crystals

S Komura - Molecular Crystals and Liquid Crystals, 2024 - Taylor & Francis
Head-mounted displays (HMDs) for augmented reality (AR) and virtual reality (VR) are
expected to have a wide field of view, high resolution, no artifacts, vergence accommodation …

Haze reduction in concentric electrode-based large aperture liquid crystal lens with segmented phase profile

AK Bhowmick, A Jamali, D Bryant, S Pintz… - Optical …, 2023 - spiedigitallibrary.org
In the field of augmented reality/virtual reality head-mounted displays or eyeglasses, electro-
optical tunable lenses have great potential to resolve the issue of accommodation …

Dynamic correction of astigmatism

AK Bhowmick, A Jamali, D Bryant, S Pintz, PJ Bos - Applied Optics, 2023 - opg.optica.org
For the correction of defocus and astigmatism, mechanical approaches are well known, but
there is a need for a non-mechanical, electrically tunable optical system that could provide …

Large aperture 0 D-2.5 D tunable liquid crystal (LC) lens based on segmented phase profile for tunable focus application

AK Bhowmick, A Jamali, D Bryant… - Emerging Liquid …, 2022 - spiedigitallibrary.org
There is a need for a tunable lens technology in AR/VR head mounted displays to solve the
accommodation-convergence mismatch issue. Liquid crystal lens technology is one of the …

Design, fabrication, and characterization of a liquid crystal-based large area electrically tunable lens for correction of astigmatism and defocus

AK Bhowmick, A Jamali, D Bryant, S Pintz… - Optical …, 2023 - spiedigitallibrary.org
An optical imaging system's image quality can deteriorate due to uncorrected astigmatism
and defocus. An approach to correct these issues is proposed, which involves a non …

16‐1: Student Paper: Optical performance characterization of 5 cm aperture size continuous focus tunable liquid crystal lens for resolving Accommodation …

AK Bhowmick, A Jamali, D Bryant… - … Symposium Digest of …, 2022 - Wiley Online Library
Solving the accommodation‐convergence mismatch issue, which causes eye fatigue,
remains a challenge in the field of AR/VR/3D HMDs. We propose a solution to tackle such …

[書籍][B] Continuously Tunable Large Aperture Liquid Crystal Based Lens for De-Focus and Astigmatism Correction

AK Bhowmick - 2023 - search.proquest.com
In imaging system, de-focus and astigmatism are the most common optical aberrations, and
finding non-mechanical approach of correcting these aberrations is of great interest …

80‐1: Invited Paper: Tunable liquid crystal lens for dynamic Prescription (Rx) correction and Accommodation‐Convergence (AC) conflict correction in AR/VR/3D …

AK Bhowmick, A Jamali, D Bryant… - … Symposium Digest of …, 2023 - Wiley Online Library
While the near‐to‐eye HMDs are advancing in display resolution, there are active
challenges related to accommodation‐convergence (AC) conflict correction as well as …

[PDF][PDF] Dynamic correction of astigmatism: supplement

AK BHOWMICK, A JAMALI, D BRYANT, S PINTZ… - scholar.archive.org
Dynamic correction of astigmatism: supplement Page 1 Supplemental Document Dynamic
correction of astigmatism: supplement AMIT K. BHOWMICK,1 AFSOON JAMALI,2 DOUGLAS …