Arrangement for surface plasmon resonance spectroscopy
US6570657B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 20, 2000 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Jul 20, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J3/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Surface plasmon resonance spectroscopy device includes an optical prism with a sample cell associated therewith and at least two sample detection areas that are provided with a thin metal coating selected for implementation of the SPR method and which contains, at least partially, surface-immobilized areas. Light is conducted via an optic fiber, collimated by a collimator with an aperture to a base surface of the prism, applied to an entrance of the optical prism. A multi adaptable diaphragm is provided between the collimator and the entrance surface. The diaphragm defines a path to the prism in a chronologically successive manner. Switching states are allocated to spectra corresponding to the switching states, whereby the spectra are obtained by detecting the light that leaves the prism through another collimator connected to another optic fiber applied to a polychromator wherein spectrally decomposed light is detected and evaluated by an evaluation and control unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.