The MMS spectrometer is a miniature, monolithic platform designed for industrial applications requiring excellent thermal and environmental stability. Configured with tall 2.5mm PDAs, the devices are offered in three spectral ranges: UV, VIS and VIS-NIR.
Body: The MMS 1 VIS spectrometer is designed around a full glass body onto which the concave grating is directly replicated for superior integration and reliability.</br>The MMS UV and UV-VIS versions are built around a Titanium housing, delivering ultra-low thermal drift, a leader in the industry.
Grating: All MMS benches are configured with aberration-corrected concave holographic flat-field gratings with high diffraction efficiency. The design ensures the best stray light rejection performance possible, despite the short focal length of the instrument.
Cross-section converter: For best signal collection and throughput performance, the MMS are fitted with a round-to-line fiber bundle converter comprised of up to 30 fibers. The fibers are presented as a line at the entrance of the spectrometer, acting as the physical slit. The converter is permanently attached to the body for best stability.
Sensor: Two types of 2.5mm tall PDA sensors are available, depending on the spectral range of interest: S3904 for UV and VIS versions, and S8381 for VIS-NIR enhanced version. Sensors are coated for rejection of the second order of diffraction. The combination of the cross-section converter and the height of the PDA ensures maximum signal collection.
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