Integrated microscope providing near-field and light microscopy

Optical: systems and elements – Compound lens system – Microscope

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Details

359372, 250234, G02B 2110, G02B 2118, G02B 2756, H01J 314

Patent

active

058087907

ABSTRACT:
Apparatus are disclosed that perform, on demand, both near-field microscopy (NFM) and light-microscopy (e.g., bright-field microscopy or phase-contrast microscopy) of a specimen. The apparatus comprises an NFM microscope including an NFM probe, a first condenser lens system that converges a center portion of an illumination-light flux at a first terminus of the NFM probe, and a second condenser lens system that converges an annular portion of the illumination-light flux at a specimen to illuminate the specimen by Kohler illumination. Evanescent light from a distal terminus of the NFM probe passes to a locus on the specimen. Downstream optics capture light transmitted and/or scattered from the specimen from the NFM probe and from the Kohler illumination to produce both a light-microscope image of the specimen and an NFM image of the specimen.

REFERENCES:
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patent: 5105305 (1992-04-01), Betzig et al.
patent: 5508517 (1996-04-01), Onuki et al.
patent: 5548113 (1996-08-01), Goldberg et al.
patent: 5675145 (1997-10-01), Toda et al.

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