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This stage was designed with a high level of input and feedback from some of the world's leading fluid inclusion geologists. It is currently an integral part of the Petroleum & Aqueous Inclusion Research Centre in Nancy, France (a subdivision of CREGU) where Dr. J. Pironon and his team are able to provide technical assistance and expertise on fluid inclusions.
A 7mm quartz disc carries the sample on a pure silver temperature controlled surface and is enclosed within a pure silver lid so that the temperature is completely uniform throughout the sample.
The silver block is of a similar construction to the THMSG 600 but has its cooling pipes at 180° to each other. This reduces the flow of liquid nitrogen needed to cool the block and minimises any vertical movement of the block due to temperature change, thereby eleminating the need to refocus as temperature change influences metal expansion of the heating element. Further stability measures have been taken with the design of the sample holder, a very low linear expansion coefficent sample carrier made from invar, ensures that temperature change has no effect on horizontal sample position. This stability is critical to Confocal microscopy and high magnifaction standard microscopy.
The software is able to scan an entire fluid inclusion chip in X,Y and Z directions, taking pictures and knitting them together to show a single picture made of hundreds of individual shots of the entire chip, it is then possible to click on a section of the chip and bring up the enlarged image to closely examine the inclusions captured in the image. The scan is completely automated and can save hours of manual mapping work.
The stage can be used in Raman, standard high magnification light micrsocopy, and confocal. The MDSG stage can also be fitted with IR transparent windows for IR analysis of inclusions. See FTIR600 for a list of window types available.
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