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SPECTROFLUOROMETER

Photonics Spectra
Jun 2004
Ocean Optics Inc.Request Info
 
SPECTROFLUOROMETER For low-intensity fluorescence applications in the 380- to 1050-nm range, Ocean Optics Inc. has released the USB2000-FLG spectrofluorometer, a USB-interface miniature fiber optic spectrometer that can detect picomolar-range concentrations of fluorophores from surfaces and in liquids and powders. Silver-coated mirrors in the spectrometer optical bench, manufactured using proprietary thin-film technology, absorb UV light, increase reflectance and improve sensitivity. A time-gated mode delays the start of spectral data acquisition by 5 to 500 µs after the excitation source is turned off, which is useful for fluorophores with long fluorescence lifetimes, such as lanthanides and photoluminescent materials.


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GLOSSARY
spectrofluorometer
An automatic scanning instrument that is used to study a substance's fluorescence over a wide range of wavelengths. It consists of a radiation source, a grating that functions as the monochromator in selecting the exciting radiation, a second grating that serves as the emission monochromator, and a photoelectric device that is used to detect the emissions.
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