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Close cycle refrigerators are really easy to use, as one does not need
to deal with cryogens. However, all our present system have one drawback:
The sample is mounted in vacuum, which leads to some uncertainity in the
temperature, especailly at temperatures below 20 K. For that reason, it
is necessary to put even single crystals into a seald sample container
containing He gas. Some ideas what gradients can be expected can be
taken from a CTITestReport.
|CCR1?||Sumitomo CCR (TASP)||4...325 K|
|CCR2?||Sumitomo CCR (FOCUS)||4...475 K|
|CTI1||Standard CTI||15...325 K|
|CTI2||Standard CTI||15...325 K|
|CTI3||Standard CTI||15...325 K|
|CTI4||CTI with extended T-range||30...475 K|
|CTI5||High Power CTI||20...325 K|
|CTI6||CTI with extended T-range (FOCUS)||20...325 K|
|APD||for use on euler cradle||10..450 K|
This particular version was published on 26-Jan-2005 14:12:36 CET by MarkusZolliker.