Interferometric Microscopy - Combining of Partial Images

Combining of Partial Images

In interferometric microscopy, the image of a micro-object is synthesized numerically as a coherent combination of partial images with registered amplitude and phase For registration of partial images, the conventional holographic set-up is used, with the reference wave, which is usual for the optical holography. The multiple exposition allows the numerical emulation of a large Numerical Aperture objective, at moderate values of the Numerical Aperture of the objective used to register partial images. Similar techniques allows scanning and precise detection of small particles. As the combined image keeps both amplitude and phase information, the interferometric microscopy can be especially efficient for the phase objects, allowing detection of light variations of index of refraction, which cause the phase shift or the light passing through for a small fraction of a radian.

Read more about this topic:  Interferometric Microscopy

Famous quotes containing the words combining, partial and/or images:

    The wilderness experiences a suddent rise of all her streams and lakes. She feels ten thousand vermin gnawing at the base of her noblest trees. Many combining drag them off, jarring over the roots of the survivors, and tumble them into the nearest stream, till, the fairest having fallen, they scamper off to ransack some new wilderness, and all is still again.
    Henry David Thoreau (1817–1862)

    There is no luck in literary reputation. They who make up the final verdict upon every book are not the partial and noisy readers of the hour when it appears; but a court as of angels, a public not to be bribed, not to be entreated, and not to be overawed, decides upon every man’s title to fame. Only those books come down which deserve to last.
    Ralph Waldo Emerson (1803–1882)

    Ideas are refined and multiplied in the commerce of minds. In their splendor, images effect a very simple communion of souls.
    Gaston Bachelard (1884–1962)