The basic concept behind the extended depth of field is that a specially designed phase plate is inserted at the back aperture of the microscope objecive. The phase plate creates a uniquely shaped PSF ...

Scanning near-field optical microscope (SNOM) – using the scattered light through a sub-wavelenght aperture to form an image. (Illustration by Kristian Molhave, Opensource Handbook of Nanoscience and ...

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The Hitachi S-4700 FE-SEM is a cold field emission high resolution scanning electron microscope. This SEM permits ultra high resolution imaging ... If you ever need to change the objective aperture, ...

These could easily be retrofitted with an aperture to enable dark-field microscopy. This would be worthwhile because ...

When light passes through an aperture, such as the objective lens of a microscope, it undergoes diffraction and spreads out. This diffraction causes the light to form a diffraction pattern, known as ...

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Combined High Numerical Aperture and Long Working Distance The effectiveness of a microscope depends on its objective lenses. The new MXPLFLN objectives extend the capabilities of the MPLFLN series ...