Nanometer dimension optical device with microimaging and nanoill

Details Nanometer dimension optical device with microimaging and nanoill Nanometer dimension optical device with microimaging and nanoill

1992-06-17

1993-11-23

Berman, Jack I.

Radiant energy

Inspection of solids or liquids by charged particles

Methods

250306, G01N 2322

Patent

active

052646980

ABSTRACT:
A nanometer dimension light source includes a source of excitation and an active, electrooptic or chemilluminescent material such as crystalline anthracene. The material is introduced into a confined space having molecular dimensions or is shaped to a point of molecular dimensions. The material is surrounded by an insulator such as a glass pipette which also forms the confined space and which also serves as a reflector for radiation produced in the material. An electric field is imposed on the active medium, injecting holes and electrons which recombine to produce light within the small dimensions of the pipette.

REFERENCES:
patent: 4604520 (1986-08-01), Pohl
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patent: 4725727 (1988-02-01), Harder et al.
patent: 4917462 (1990-04-01), Lewis et al.
patent: 4947034 (1990-08-01), Wickramasinghe
"Optical characteristics of 0.1 .mu. m circular apertures in a Metal Film as Light Sources for Scanning Ultramicroscopy" Fischer; J. Vac. Sci. Technol. B3(1), Jan./Feb. 1985.
"Super-resolution Fluorescence Near-Field Scanning Optical Microscopy" Harootunian et al: Appl. Phys. Lett. 49 (11), Sep. 15, 1986.
"Development of A 500 .ANG. Spatial Resolution Light Microscope" Ultramicroscopy 13 (1984) 227-232.
"Optical Stethoscopy: Image Recording with Resolution .lambda./20" Pohl, Denk and Lanz: IBM Zurich Research Laboratory, Ruschlikon, Switzerland; Appl. Phys. Lett 44 (7) Apr. 1984.

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