Abstract
The invention relates to a system and a method for optical measurement of a target, wherein the target is illuminated, either actively illuminated, reflecting ambient light, or self illuminating, and a measurement light beam received from the target or through it is detected. The prior art optical measurement systems generally include mechanical filter wheels and photomultiplier tubes, which cause the equipment to be expensive, large-sized and often not sufficiently accurate and stable. The objective of the invention is achieved with a solution, in which the illuminating light beam and/or measurement light beam is led through a Fabry-Perot interferometer or a set of two or more Fabry-Perot Interferometers, and the Fabry-Perot interferometer or a set of two or more Fabry-Perot Interferometers is controlled into different modes during the measurement of a single target. The invention can be applied in optical measurements where, for example, reflectance, absorption of fluorescence of the target is measured.
Patent family as of 9.9.2021
EP2414794 A1 20120208 EP20100758114 20100331
EP2414794 A4 20171220 EP20100758114 20100331
FI20095356 A0 20090402 FI20090005356 20090402
US2012038928 AA 20120216 US20100258471 20100331
US8792100 BB 20140729 US20100258471 20100331
US2014218736 AA 20140807 US20140247301 20140408
US9581499 BB 20170228 US20140247301 20140408
WO10112679 A1 20101007 WO2010FI50258 20100331
Link to current patent family on right
| Original language | English |
|---|---|
| Patent number | US2012038928 |
| IPC | G01B 9/ 02 A I |
| Priority date | 31/03/10 |
| Publication status | Published - 16 Feb 2012 |
| MoE publication type | H1 Granted patent |
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