Radiant energy – Luminophor irradiation
Patent
1994-03-25
1996-02-13
Hannaher, Constantine
Radiant energy
Luminophor irradiation
2504591, G01N 2164
Patent
active
054913438
ABSTRACT:
A high-speed, non-mechanical multiple wavelength illumination source is provided, which contains a first light source, a second light source providing a different wavelength of light, and a controlling means for controlling electric current to the first and second light sources. The illumination source is particularly useful in an improved apparatus for quantitative luminescence ratio photometry and/or luminescence ratio imaging. Methods of luminescence emission ratio photometry and luminescence emission ratio imaging using the illumination source and apparatus are also provided. The present invention offers particular advantages in photomicroscopy and in microscopic imaging.
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R. L. McKenzie and K. P. Gross, "Two-photon excitation of nitric oxide fluorescence as a temperature indicator in unsteady gasdynmaic processes." Applied Optics, vol. 20, No. 12 (Jun. 15, 1981) pp. 2153-2165.
International Search Report (International application No. PCT/US95/02682).
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