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Microscope Past: 50 Years Ago | Some Observations Made with a Spectrum Projected into the Plane of the Object


2022, Volume 69:2, pp. 92-95

https://DOI url here

F.T. Jones

Originally published in The Microscope, Volume 20, Fourth Quarter, pp 319-326, 1972.

Refractive index determinations by immersion methods may sometimes be facilitated by finding the wavelength within the spectrum where the Becke line disappears. This procedure was tried using fibers illuminated by a spectrum projected into the plane of the object.

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