Spectral analysis with evanescent field excitation

Details Spectral analysis with evanescent field excitation Spectral analysis with evanescent field excitation

2006-03-14

2006-03-14

Font, Frank G. (Department: 2883)

Optics: measuring and testing

By dispersed light spectroscopy

With raman type light scattering

C356S317000, C356S318000, C356S445000, C385S012000, C385S043000, C385S123000, C385S128000

Reexamination Certificate

active

07012687

ABSTRACT:
An apparatus includes an optical fiber and a light collection device. The optical fiber has an untapered segment and a down-tapered segment. The light collection device has an optical aperture that collects light emitted by a sample in response to the sample being located outside and adjacent a lateral surface of the down-tapered segment. The optical aperture blocks light emitted from ends of the optical fiber.

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