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Chemical Imaging with 200 nm resolution New Confocal Raman Microscope WITec alpha300 R

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As part of the new alpha300 microscope series WITec introduces the new Confocal Raman Microscope alpha300 R. It allows three-dimensional imaging of the distribution of the chemical substances in a sample with a resolution down to 200 nm. At each image pixel a complete Raman spectrum is acquired in less than 100 ms. Such short integration times are extremely important for high-resolution Raman Imaging requiring tens of thousands of spectra to be stored. The images are then calculated by isolating the various spectral characteristics of these Raman spectra allowing to generate different images out of only one measurement. Properties such as the chemical distribution of the substances, stress fields or crystallinity values can be imaged fast and easily.

The highlight of the new alpha300 microscope series is a full digital control unit in conjunction with the new software package WITec Control and WITec Project.

It enables various new features and automatic measurement procedures to be employed for the first time. The digital signal processing reduces noise to extremely low levels and significantly enhances data and image quality. The integrated software for measurement control is the key to the unique features of the alpha300 series. It navigates the user through the measurement tasks while intuitively providing a user interface that changes automatically depending on the method used. This also reflects the modular concept of the alpha300 series which allows the combination of different microscopy techniques in one instrument. It is for example possible to upgrade the alpha300 R with Atomic Force Microscopy capabilities in order to directly link the chemical information to topographical surface structures. The new microscope generation is ideally suited for applications in Materials Sciences, Life Sciences, Pharmaceutics and Nanotechnology where a comprehensive understanding of the sample structure and composition is a necessity.