Publication

Numerical Optics in Digital Holography

Christian Depeursinge, Tristan Colomb, Florian Charrière, Frédéric Montfort
2007
Conference Papers

Abstract

As digital holography achieves numerical reconstruction of the complex wavefront diffracted by specimen, a numerical optics formalism has been developed: numerical filters replace pinholes in Fourier planes, numerical lenses allow aberrations compensation and image magnification.

Official source

https://infoscience.epfl.ch/entities/publication/63122ea0-b49a-4147-a97b-afd0c127ce83

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Christian Depeursinge, Tristan Colomb, Florian Charrière, Frédéric Montfort
2007
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/63122ea0-b49a-4147-a97b-afd0c127ce83

About this result

Related concepts (32)

Numerical aperture

In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes the range of angles over which the system can accept or emit light. By incorporating index of refraction in its definition, NA has the property that it is constant for a beam as it goes from one material to another, provided there is no refractive power at the interface. The exact definition of the term varies slightly between different areas of optics.

Diffraction

Diffraction is the interference or bending of waves around the corners of an obstacle or through an aperture into the region of geometrical shadow of the obstacle/aperture. The diffracting object or aperture effectively becomes a secondary source of the propagating wave. Italian scientist Francesco Maria Grimaldi coined the word diffraction and was the first to record accurate observations of the phenomenon in 1660.

Optics

Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behaviour of visible, ultraviolet, and infrared light. Because light is an electromagnetic wave, other forms of electromagnetic radiation such as X-rays, microwaves, and radio waves exhibit similar properties.