This imaging spectrometer module uses a volume phase holographic (VPH) diffraction grating to image the sample in a line on the surface sensor. The first spatial axis on the sensor corresponds to the spatial direction on the sample, and the second spatial axis corresponds to the respective spectrum Wavelength range.
The spectrometer module uses an internally switchable C-mount adapter lens, and the measurement surface is imaged at the entrance slit. The collimated measurement light is spectrally separated at the separation optical element and then projected onto the surface sensor through the imaging optical element.
The aluminum spectrometer housing and compact connected components ensure long-term stability and repeatability.
Monochromatic surface CCD sensor is used as photon sensor in UV-VIS and NIR measurement, the measuring range can reach 320nm-1000nm.
In the NIR measurement, a new-generation InGaAs sensor surface array with complete cooling function is used. At present, we provide two models of 850nm-1700nm and 950nm-1900nm. Among them, the sensor of the model in the range of 850nm-1700nm has a primary thermoelectric cooling function of -15 degrees Celsius, and the model in the range of 950nm-1900nm has a secondary thermoelectric cooling function of -30 degrees Celsius.
At the same time, we use edge-insulated filters to install on multi-channel sensors to suppress second-order phenomena.
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