Hamamatsu has added a new model to its lineup of transmission grating (TG) based mini-spectrometers. All of these modules consist of a palm-top size polychromator integrated with optical elements, a photodiode array optimised for the required wavelength range, together with an image sensor driver circuit.
The spectrometers are supplied with sample software which allows the user to set measurement conditions, acquire and save data and then display it graphically. Use of a USB 2.0 interface means that no external power supply is required as the modules can use USB power from the PC and this, together with the compact design, allows for easy assembly into portable equipment.
The new C11482GA is an improved version of Hamamatsu’s existing near-infrared (NIR) mini-spectrometer and uses a proprietary InGaAs linear image sensor to cover the spectral region of 900 nm to 1700 nm. Unlike Hamamatsu’s other NIR mini-spectrometers, the C11482GA does not use cooling yet still offers excellent low-noise characteristics.
With a 7 nm resolution, trigger compatibility and USB 2.0 connectivity, the C11482GA is ideal for applications such as water content measurement, component testing in the optical communications sector and film thickness measurements among many others.
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