Formation of optical vortices with topological charge and by use of the S-waveplate

Matijosˇius, A.; Stanislovaitis, Paulius; Gertus, Titas; Smilgevicˇius, Valerijus

doi:10.1016/j.optcom.2014.03.023

Cited by 15 publications

(4 citation statements)

References 38 publications

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“…If linearly polarized light passes the S-waveplate, the polarization of the existing light has azimuthal orientation, yielding a vectorial vortex. For an S-waveplate with a vectorial vortex of TC = 1 located at the optical axis, the effective transmission in the polar coordinate system can be modeled in the Jones matrix formalism expressed by [17,25,26]…”

Section: On-axis Vortex Filteringmentioning

confidence: 99%

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Vectorial optical vortex filtering for edge enhancement

Zhang

Chen

Sun

et al. 2016

J. Opt.

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We propose to use a super-structured waveplate (called an S-waveplate) for vectorial optical vortex filtering, and experimentally demonstrate the radial Hilbert transform and selective edge enhancement. Based on the Jones calculus of polarization states and Fourier analysis, we calculate and analyze the point spread function of an optical 4-f system including an S-waveplate filter having the vectorial vortex of topological charge 1 (TC = 1). Numerical simulations and optical experiments demonstrate that a vectorial optical vortex filter can be used to implement selective edge enhancement with an analyzer before the output plane. The edge enhancement can be obtained even when the center of the filter is off-axis or the illuminating light is non-monochromatic.

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Section: On-axis Vortex Filteringmentioning

confidence: 99%

“…The Jones matrix of the S-waveplate with the phase delay can be calculated as [17,25,26] For the incident linear polarization a L , the PSF of the 4-f system using this S-waveplate as the filter becomes…”

Section: Polychromatic Filteringmentioning

confidence: 99%

Vectorial optical vortex filtering for edge enhancement

Zhang

Chen

Sun

et al. 2016

J. Opt.

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“…Additionally, a metasurface with a twodimensional electromagnetic nanostructure has been used as an effective converter to simultaneously control the intensity, polarization, and phase of incident light. However, it also suffers from the small interaction area between light and nanostructures, complex fabrication process, and low damage threshold [17,18] . Recently, the spiral waveplate (S-waveplate) has attracted much attention due to its remarkable properties.…”

Section: Introductionmentioning

confidence: 99%

High peak power femtosecond cylindrical vector beams generation in a chirped-pulse amplification laser system

et al. 2022

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Cylindrical vector beams (CVBs), with non-uniform state of polarizations, have become an indispensable tool in many areas of science and technology. However, little research has explored high power CVBs at the femtosecond regime. In this paper, we report on the generation of high quality CVBs with high peak power and femtosecond pulse duration in a fiber chirpedpulse amplification laser system. The radially (azimuthally) polarized vector beam has been obtained with a pulse duration of 440 fs (430 fs) and a maximum average output power of 20.36 W (20.12 W). The maximum output pulse energy is ∼20 μJ at a repetition rate of 1 MHz, corresponding to a high peak power of ∼46 MW. The comparison between simulated intensity profiles and measured experimental results suggests that the generated CVBs have a remarkable intensity distribution. The proposed configuration of our laser system provides a promising solution for high quality CVBs generation with the characteristics of high peak power, ultrashort pulse duration, and high mode purity.

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“…Nano-grating (sub-wavelength grating) based q-plates are also referred to as super-structured wave plates (S-waveplates). The period of spatial structures in such plates is shorter than the wavelength of light in the visible spectrum [32][33][34]. These components exhibit high spatial resolution of patterning in the axial area and are resistant to optical damage [35].…”

Section: Introductionmentioning

confidence: 99%

Toward the generation of broadband optical vortices: extending the spectral range of a q-plate by polarization-selective filtering

et al. 2017

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Optical vortex beams in the visible and nIR spectrum over a wide spectral region are generated by a single S-Waveplate polarization converter using polarization-selective filtering. A spectral coverage of 600 nm is demonstrated, with maximum efficiency at a wavelength of 530 nm. The broadband coverage is obtained using polarization filtering, which is applicable for any component based on geometric phase retardation. The efficiency of the filtering varies from 50% to 95% depending on the wavelength. This technique has a potential application in stimulated emission depletion (STED) microscopy and lithography.

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Formation of optical vortices with topological charge and by use of the S-waveplate

Cited by 15 publications

References 38 publications

Vectorial optical vortex filtering for edge enhancement

Vectorial optical vortex filtering for edge enhancement

High peak power femtosecond cylindrical vector beams generation in a chirped-pulse amplification laser system

Toward the generation of broadband optical vortices: extending the spectral range of a q-plate by polarization-selective filtering

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