Mass Spectrometry & Spectroscopy
High Resolution Near-Infrared Spectrometer Covers 1100-1900nm
Sep 04 2012
Ocean Optics has added another option to its small-footprint near-infrared spectrometer line with the NIRQuest512-1.9. A high-resolution device with response from 1100-1900nm, NIRQuest512-1.9 is well suited for applications ranging from monitoring changes in food production and chemical processing to characterising lasers for semiconductor assembly and medical treatment.
NIRQuest512-1.9 has a high-stability, 512-element Hamamatsu Indium Gallium Arsenide (InGaAs)-array detector and is available with multiple grating and optical bench options for optimising performance between 1100-1900 nm. The standard NIRQuest512-1.9 comes with a 150 lines/mm grating, 25 micron entrance slit and a non-fluorescing longpass filter that transmits >1000nm. The filter helps to mitigate second-order effects.
NIRQuest512-1.9 has external hardware triggering functions that allow users to capture data when an external event occurs, or to trigger an event after data acquisition. Spectrometer operation is controlled using SpectraSuite software, a modular, Java-based spectroscopy platform.
The low dark noise characteristics of the NIRQuest make it possible to integrate the spectrometer (or expose the detector in the spectrometer to light) for longer durations, which is useful in low light level environments. Signal to noise ratio at full signal is >15000:1 at 100 millisecond integration time. High gain mode operation is available for applications where sensitivity is paramount.
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