METHOD AND DEVICE FOR IMPROVED NANOSPECTROSCOPIC SCANNING Russian patent published in 2010 - IPC G01J3/44 B82B1/00

Abstract RU 2378627 C2

FIELD: physics, optics.

SUBSTANCE: invention refers to nanospectroscopic scanning. Invention contains base made of plasmon-resonant metal, source of light beam and lensed block consisting of one or more plasmon-resonant particles located around hole forming area of detection. Upon direction of light beam to specimen in area of detection particles may form electromagnetic slit modes of nearfield in space between nanolens and opposite area of detection on base surface with clearance between nanolens and base with selected distance 40 nm or less. Device also contains detector for receiving of light radiated or diffused by specimen to area of detection and for conversion of received light to Raman spectrum intensified by slit modes, and mechanism of translational motion for motion of specimen in relation to lensed block through hole in lensed block in order to place successive chemical groups in specimen into area of detection.

EFFECT: improvement of nanospectroscopic scanning.

20 cl, 10 dwg

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RU 2 378 627 C2

Authors

Poponin Vladimir

Dates

2010-01-10—Published

2005-10-05—Filed