High gain optical probe

Details High gain optical probe High gain optical probe

2006-05-09

2006-05-09

Bovernick, Rodney (Department: 2874)

Optical waveguides

Optical waveguide sensor

C385S043000, C385S902000

Reexamination Certificate

active

07043104

ABSTRACT:
A near-field scanning optical probe comprises an optical fiber for conducting imaging light therethrough, the fiber having at least a portion doped with an optical gain medium and further having a tapered end portion with a frustoconical wall and an end surface for emitting the imaging light. In use, pumping light and optionally imaging light are coupled into the optical fiber such that the pumping light excites the optical gain medium to a higher energy state to emit photons at the approximate wavelength of the imaging light desired, to thereby produce and optionally amplify the imaging light emitted by the probe.

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