Demonstration of lateral resolution enhancement by focusing amplitude modulated radially polarized light in a confocal imaging system

Peiwen Meng; Hong Liên Pham; Silvania F. Pereira; H. Paul Urbach

doi:10.1088/2040-8986/ab7aeb

Demonstration of lateral resolution enhancement by focusing amplitude modulated radially polarized light in a confocal imaging system

Peiwen Meng, Hong Liên Pham, Silvania F. Pereira, H. Paul Urbach

ImPhys/Optics

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Abstract

Lateral resolution enhancement is demonstrated in a confocal imaging system with amplitude-modulated radially polarized (RP) light at the wavelength Annular pupil fields and optimized amplitude distribution functions can be realized with a spatial light modulator. By comparing images obtained with full and amplitude modulated apertures of RP illuminations using a high numerical aperture (NA = 0.9), spatial resolution of has been achieved experimentally. This result agrees very well with theoretical simulation results and will be helpful in improving performance of the non-fluorescent imaging systems.

Original language	English
Article number	045605
Number of pages	6
Journal	Journal of Optics (United Kingdom)
Volume	22
Issue number	4
DOIs	https://doi.org/10.1088/2040-8986/ab7aeb
Publication status	Published - 2020

Keywords

Confocal imaging
Polarization
Resolution

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10.1088/2040-8986/ab7aeb

Meng_2020_J._Opt._22_045605Final published version, 1.01 MBLicence: CC BY

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AU - Pham, Hong Liên

AU - Pereira, Silvania F.

AU - Urbach, H. Paul

PY - 2020

Y1 - 2020

N2 - Lateral resolution enhancement is demonstrated in a confocal imaging system with amplitude-modulated radially polarized (RP) light at the wavelength Annular pupil fields and optimized amplitude distribution functions can be realized with a spatial light modulator. By comparing images obtained with full and amplitude modulated apertures of RP illuminations using a high numerical aperture (NA = 0.9), spatial resolution of has been achieved experimentally. This result agrees very well with theoretical simulation results and will be helpful in improving performance of the non-fluorescent imaging systems.

AB - Lateral resolution enhancement is demonstrated in a confocal imaging system with amplitude-modulated radially polarized (RP) light at the wavelength Annular pupil fields and optimized amplitude distribution functions can be realized with a spatial light modulator. By comparing images obtained with full and amplitude modulated apertures of RP illuminations using a high numerical aperture (NA = 0.9), spatial resolution of has been achieved experimentally. This result agrees very well with theoretical simulation results and will be helpful in improving performance of the non-fluorescent imaging systems.

KW - Confocal imaging

KW - Polarization

KW - Resolution

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DO - 10.1088/2040-8986/ab7aeb

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JO - Journal of Optics (United Kingdom)

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ER -

Demonstration of lateral resolution enhancement by focusing amplitude modulated radially polarized light in a confocal imaging system

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