Optical fiber waist refractometer
US5600433A · kind A · utility
9Cited by
16References
74Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1994 |
| Grant date | Feb 4, 1997 |
| Priority date | — |
| Expiry date | Nov 2, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/746
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a refractive index detector for a dynamic liquid sample having a fiber optic filament of a predetermined diameter with an unclad sensor region, wherein the sensor region comprises a longitudinally tapered zone wherein the diameter continuously decreases from the predetermined diameter to a minimum diameter. The invention finds use as a detector for high performance liquid chromatography and capillary zone electrophoresis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.