Hamamatsu's new C9404, C9405 and C9406 series of mini spectrometer modules are intended for applications such as colour measurement, moisture measurement, and in-line product inspection amongst other applications.
This range of modules uses a transmission grating optical arrangement (TG Type) to provide high optical throughput and high sensitivity. All 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.
To allow a simple PC connection and data acquisition, an option is also available to include an integrated USB interface.
The C9404 series (TG-UV) features a spectral response range from 200 nm to 400 nm using a CMOS image sensor. The C9405 series (TG-SWNIR), 500 nm to 1100 nm using an infrared enhanced NMOS image sensor and the C9406 series (TG-NIR) 900 nm to 1700 nm using an InGaAs image sensor.
These new spectrometer modules are supplied with sample software, which allows the user to set measurement conditions, acquire, save data and then display it graphically, making it quick and easy to start taking basic measurements. The transmission grating allows high light throughput, allowing high sensitivity. Highly accurate optical characteristics can thus be measured.
Use of the USB interface means that no external power supply is required. This, together with its compact design, allows easy assembly into portable equipment. Customised versions are also available on request.
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