Articles with "conical diffraction" as a keyword



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Fluorescence quantum yield determination of molecules in liquids by thermally driven conical diffraction

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Published in 2018 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2018.01.027

Abstract: Abstract We report on a method to determine fluorescence quantum yield (η) of molecules in solution based on the observation of conical diffraction (CD) patterns induced by thermally driven self-phase modulation (SPM). In this approach,… read more here.

Keywords: thermally driven; determination; fluorescence quantum; quantum yield ... See more keywords
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Understanding diffraction grating behavior: including conical diffraction and Rayleigh anomalies from transmission gratings

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Published in 2019 at "Optical Engineering"

DOI: 10.1117/1.oe.58.8.087105

Abstract: Abstract. With the wide-spread availability of rigorous electromagnetic (vector) analysis codes for describing the diffraction of electromagnetic waves by specific periodic grating structures, the insight and understanding of nonparaxial parametric diffraction grating behavior afforded by… read more here.

Keywords: diffraction grating; theory; conical diffraction; diffraction ... See more keywords

Asymmetric conical diffraction in dislocated edge-centered square lattices.

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Published in 2019 at "Optics express"

DOI: 10.1364/oe.27.006300

Abstract: We investigate linear and nonlinear evolution dynamics of light beams propagating along a dislocated edge-centered square lattice. The band structure and Brillouin zones of this novel lattice are analyzed analytically and numerically. Asymmetric Dirac cones… read more here.

Keywords: dislocated edge; edge centered; centered square; conical diffraction ... See more keywords
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Polarization-modulated grating interferometer by conical diffraction.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.438490

Abstract: The grating interferometer in the Littrow configuration uses quarter wave plates (QWPs) to modulate the polarization in the measurement system to determine the autocollimation optical path. Fabrication errors and mounting errors of the QWPs lead… read more here.

Keywords: modulated grating; polarization modulated; polarization; conical diffraction ... See more keywords
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Cr/C lamellar multilayer grating in conical diffraction mounting for beam splitter used in X-ray free-electron lasers.

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Published in 2022 at "Optics letters"

DOI: 10.1364/ol.449805

Abstract: A lamellar multilayer grating in a conical diffraction mounting was proposed as a beam splitter for X-ray free-electron lasers. Theoretical calculations demonstrated that the distribution of diffraction efficiency can be adjusted by optimizing the groove… read more here.

Keywords: multilayer; grating conical; lamellar multilayer; diffraction ... See more keywords
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Constant intensity conical diffraction in discrete one-dimensional lattices with charge-conjugation symmetry

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Published in 2019 at "Optics Letters"

DOI: 10.1364/ol.45.000101

Abstract: We engineer anomalous conical diffraction (CD), occurring in discrete one-dimensional lattices with charge-conjugation symmetry when an exceptional point is in the proximity of the modes that compose the initial excitation. The evolving waveform propagates ballistically,… read more here.

Keywords: constant intensity; one dimensional; intensity; dimensional lattices ... See more keywords