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WITec and attocube launch cryoRaman

26 July 2021 | Product
by Ian Michael

WITec and cryogenic microscopy specialist attocube systems have jointly introduced cryoRaman. This cryogenic Raman imaging system integrates attocube’s cryostat and nanopositioner technology with WITec’s alpha300 correlative microscope series. cryoRaman offers excitation wavelengths from visible to near infrared with optimised spectrometers, 1.6 K to 300 K operating temperatures, high magnetic fields, patented cryogenic Raman-specific objectives and a precise piezoelectric scan stage.

Research on phase-transitions and emergent properties of novel low-dimensional materials will benefit in particular from cryoRaman’s high magnetic field options. The solenoid or vector magnets, with a strength of up to 12 T, are ideal for investigating transition metal dichalcogenides (TMDs) and van der Waals heterostructures, and can also help in determining the temperature- and magnetic field-dependence of photoluminescence. Optional modules include precise software-controlled laser power adjustment, multi-wavelength excitation capabilities, automated switching from optical microscopy to spectroscopic imaging, automated spectrometer calibration light source and routines, and time-correlated single photon counting (TCSPC) modes. cryoRaman also introduces a pair of unique functionalities to cryogenic Raman microscopy: the ability to detect low-wavenumber Raman peaks, and full polarisation control in excitation and detection.

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