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A Review of Optical Interferometry for High-Precision Length Measurement [PDF]
MicromachinesOptical interferometry has emerged as a cornerstone technology for high-precision length measurement, offering unparalleled accuracy in various scientific and industrial applications.
Guangyao Huang +6 more
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Takagi–Sugeno Fuzzy Nonlinear Control System for Optical Interferometry [PDF]
SensorsThe Takagi-Sugeno (T-S) fuzzy control is a nonlinear method that uses a combination of linear controllers as its control law. This method has been applied in various fields of scientific research: buck converters, biomedicine, civil engineering, etc.
Murilo Franco Coradini +4 more
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Ultracold atom interferometry in space [PDF]
Nature Communications, 2021 Bose-Einstein condensates (BECs) in free fall constitute a promising source for space-borne interferometry. Indeed, BECs enjoy a slowly expanding wave function, display a large spatial coherence and can be engineered and probed by optical techniques ...
M. Lachmann +23 more
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Results in Physics, 2021 We theoretically study the polarization entanglement and the non-local correlations manifested by biphotons using measures as concurrence and CHSH Bell test, generated in the spontaneous parametric down-conversion (SPDC) process for partially spatially ...
Preeti Sharma +2 more
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Scientific Reports, 2023 Phase encoding in quantum key distribution (QKD) enables long-distance information-theoretic secure communication in optical fibers. We present a novel theoretical model characterizing errors from various sources in practical phase encoding-based QKD ...
Nishant Kumar Pathak +3 more
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Observation of Pancharatnam-Berry phase for unpolarized and partially polarized light fields
Results in Optics, 2021 Geometric phase, owing to its topological nature and properties of fault tolerance, plays an important role in devising real world applications in both classical and quantum domain.
Bhaskar Kanseri, Rohit Gupta
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Results in Physics, 2020 We investigate the polarization structures of an electromagnetic (EM) beam after passing through 2-f and 4-f lens systems and possibilities to control them.
Sethuraj K. R. +2 more
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Interferometry and Synthesis in Radio Astronomy [PDF]
, 2017 Preface to the Second Edition. Preface to the First Edition. Introduction and Historical Review. Introductory Theory of Interferometry and Synthesis Imaging. Analysis of the Interferometer Response. Geometric Relationships and Polarimetry.
Jacob Baars
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Liquid crystal based spectral control for applications in optical communication and metrology
Results in Optics, 2020 The molecules of nematic liquid crystals (LCs), aligned in one average direction, constitute a birefringent medium. The molecules in nematic LCs of positive anisotropy (ne>no) get aligned in the direction of applied electric field due to the induced ...
Gyaprasad, Bhaskar Kanseri
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A quantitative comparison of amplitude versus intensity interferometry for astronomy
New Journal of Physics, 2022 Astronomical imaging can be broadly classified into two types. The first type is amplitude interferometry, which includes conventional optical telescopes and very large baseline interferometry (VLBI).
Manuel Bojer +5 more
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