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Raman Spectrometers

Bruker Optics

The BRAVO handheld Raman spectrometer from Bruker is an innovative, powerful and easy-to-operate system.

BRAVO

BRAVO relies on the proven Bruker combination of innovation and quality and combines top-of-the-range technologies for an unparalleled performance.

The patented fluorescence mitigation using Sequentially Shifted Excitation (SSE™), which enables the measurement of a much wider range of materials using handheld Raman spectrometers.

Duo LASER™ excitation with two lasers offers high-sensitivity in a large spectral range from 300cm-1 to 3,200cm-1, including the CH-stretching vibrations.

In addition, BRAVO supports one of the most efficient and clearly laid-out workflows on a large 7in touchscreen display. This forms the basis of a unique product specially designed for raw material verification up to product inspection in the pharmaceutical industry. More information is available here.

MultiRAM

MultiRAM is Bruker Optics’ patented interferometer with gold-coated optics and permanent RockSolid alignment, which provides the superb stability and throughput required for demanding experiments.

For ultimate flexibility, the MultiRAM can accommodate a second laser and detection system, automated polarisation accessory and fibre-optic coupling ports. Combine advanced digital electronics with Bruker Optics’ high-quality optics and you have the ultimate in a high-performance Fourier transform (FT) Raman system.

Other features include a simple switch between 90° and 180° scattering geometry, and defocusing optics, which are necessary for coloured samples that can heat by the laser beam.

A motorised sample stage for sample position optimisation and a white light source to correct the spectra for instrument responses are included in the standard configuration of the MultiRAM. Additional sampling accessories, such as automatic sample changers and low and high-temperature stages are optional.

The FT-Raman microscope RamanScopeIII expands FT-Raman spectroscopy to samples in the µm size range.

The MultiRAM configuration provides a spectral range of between 3,600cm and 50cm-1 (stokes shift, for 1,064nm excitation).

The standard diode-pumped, air-cooled Nd:YAG laser source (1,064nm) is fully software controlled. It can be equipped with either or both room-temperature indium gallium arsenide (InGaAs) detector and a proprietary high-sensitivity germanium (Ge) diode detector.

High-throughput optics and Bruker Optics’ unique liquid nitrogen cooled Ge detector offers ultra-low signal detection with minimal noise assuring excellent sensitivity. The long hold time of the refrigerant provides hassle-free operation for an entire week.

The intuitive, easy-to-use OPUS software controls all data collection and manipulation functions for the MultiRAM. The real-time spectrum display permits software control of the analysis conditions, including optimisation of the laser power and the sample position.

RAM II

For utmost suppression of fluorescence, the RAM II module is equipped with standard 1,064nm excitation. The module can be configured with a dual channel option for additional excitation line.

Bruker Optic’s proprietary ultra-high-sensitivity Ge detector (with a hold time of the refrigerant for an entire week, enhanced collection optics, and the dynamic 24-bit electronics) provides unsurpassed sensitivity performance and long-term stability.

The FT-Raman module RAM II can be coupled to Bruker’s VERTEX Series multi-range Fourier transform infrared (FT-IR) spectrometers, utilising the spectrometer’s one input and one output port. Switching between the infrared and Raman is fully software controlled and combines fast and easy sample handling for both measurement modes.

The RAM II offers a large sample compartment for housing an extensive range of pre-aligned sampling accessories, designed to accommodate all types of sample formats; from powders to liquids. Additionally, various accessories such as automatic sample changers or low and high-temperature stages are available to further enhance the performance of FT-Raman analysis.

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