Light efficient imaging with improved resolving ability

Zeev Zalevsky; Eran Sabo; David Mendlovic; Emanuel Marom

doi:10.1016/S0030-4018(01)01019-7

Light efficient imaging with improved resolving ability

Zeev Zalevsky
, Eran Sabo
, David Mendlovic
, Emanuel Marom

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

The optical transfer function (OTF) in imaging systems with incoherent illumination is analyzed in order to obtain an optical system, which maintains high light-collection efficiency and acceptable performance. The desired OTF is such that it provides a smaller point spread function needed to obtain an improved spatial resolution without sacrificing the energy collection efficiency of the system. The resolution improvement is associated with a contrast degradation of the output image. The contrast can however be digitally enhanced. The paper includes a theoretical description, computer feasibility studies and performance analysis.

Original language	English
Pages (from-to)	69-77
Number of pages	9
Journal	Optics Communications
Volume	190
Issue number	1-6
DOIs	https://doi.org/10.1016/S0030-4018(01)01019-7
State	Published - 1 Apr 2001

Keywords

Coherent transfer function
Light efficiency
Optical transfer function
Point-spread function

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10.1016/S0030-4018(01)01019-7

Cite this

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title = "Light efficient imaging with improved resolving ability",

abstract = "The optical transfer function (OTF) in imaging systems with incoherent illumination is analyzed in order to obtain an optical system, which maintains high light-collection efficiency and acceptable performance. The desired OTF is such that it provides a smaller point spread function needed to obtain an improved spatial resolution without sacrificing the energy collection efficiency of the system. The resolution improvement is associated with a contrast degradation of the output image. The contrast can however be digitally enhanced. The paper includes a theoretical description, computer feasibility studies and performance analysis.",

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author = "Zeev Zalevsky and Eran Sabo and David Mendlovic and Emanuel Marom",

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AU - Mendlovic, David

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AB - The optical transfer function (OTF) in imaging systems with incoherent illumination is analyzed in order to obtain an optical system, which maintains high light-collection efficiency and acceptable performance. The desired OTF is such that it provides a smaller point spread function needed to obtain an improved spatial resolution without sacrificing the energy collection efficiency of the system. The resolution improvement is associated with a contrast degradation of the output image. The contrast can however be digitally enhanced. The paper includes a theoretical description, computer feasibility studies and performance analysis.

KW - Coherent transfer function

KW - Light efficiency

KW - Optical transfer function

KW - Point-spread function

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JF - Optics Communications

IS - 1-6

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Light efficient imaging with improved resolving ability

Abstract

Keywords

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