High brightness solid state illumination system for fluorescence imaging and analysis
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United States of America Patent
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Jan 19, 2016
Grant Date -
Nov 20, 2014
app pub date -
May 17, 2013
filing date -
May 24, 2012
priority date (Note) -
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Abstract
A solid state illumination system is disclosed, wherein a light source module comprises a first light source, comprising an LED and a phosphor layer, the LED emitting a wavelength λ1 in an absorption band of the phosphor layer for generating longer wavelength broadband light emission from the phosphor, ΔλPHOSPHOR, and a second light source comprising a laser emitting a wavelength λ2 in the absorption band of the phosphor layer. While operating the LED, concurrent laser pumping of the phosphor layer increases the light emission of the phosphor, and provides high brightness emission, e.g. in green, yellow or amber spectral regions. Additional modules, which provide emission at other wavelengths, e.g. in the UV and near UV spectral bands, together with dichroic beam-splitters/combiners allow for an efficient, compact, high-brightness illumination system, suitable for fluorescence imaging and analysis.
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International Classification(s)
- F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
- H05B:ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE ....
- F21Y:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L,....
- F21K:LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- H01S:DEVICES USING STIMULATED EMISSION
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