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Spectrometer Achieves up to 90% Quantum Efficiency
The QE65000 Spectrometer is a combination of detector, optical bench and electronics technologies that provides users with a sensitive system for demanding low-light level applications, such as fluorescence and Raman spectroscopy. The system achieves up to 90% quantum efficiency with high signal-to-noise and rapid signal processing speed. A Hamamatsu back-thinned detector with good response in the UV has a 2-D arrangement of pixels that is responsive from 200 to 1100 nm. The detector’s columns are binned, or summed, inside the detector prior to the readout process, thereby minimizing readout noise. The onboard TE-cooler can cool the detector down to -10 C to reduce dark noise. The reduction of noise and dark signal allows integration times of the spectrometer of up to 10 minutes, which enhances the detection limit in low-light level applications. The onboard module features 10 user-programmable digital I/O lines for interfacing to other equipment and a pulse generator for triggering other devices.
Ocean Optics, Inc.
830 Douglas Ave.
Dunedin, FL, 34698
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