DUNEDIN, Fla., July 25, 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 to 1900 nm, it is suited for applications ranging from monitoring changes in food production and chemical processing to characterizing lasers for semiconductor assembly and medical treatment.
The instrument has a high-stability, 512-element Hamamatsu InGaAs array detector and is available with multiple grating and optical bench options. The standard model is supplied with a 150-lines-per-mm grating, a 25-μm entrance slit and a nonfluorescing long-pass filter that transmits >1000 nm. The filter helps to mitigate second-order effects.
External hardware triggering functions 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 >15,000:1 at a 100-ms integration time. High-gain-mode operation is available for applications where sensitivity is paramount.
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