ST-300-MS Compact Cryostat for Microscopy
Designed as an alternative to the ST-500 microscope cryostat, this compact cryostat combines short working distance with the standard SuperTran design. The ST-300-MS is intended for use in experiments with very tight space restrictions and is available with a compact or ultra-compact window block.
The ST-300-MS cryostat is intended for use in experiments where space restrictions do not allow the use of the ST-500. While this cryostat does not have the ultra-low vibration and thermal drift characteristics of the ST-500 cryostat, the vibration levels are still submicron.
As with all SuperTran cryostats, the ST-300-MS system includes a flexible high-efficiency variable flow cryogen transfer line that delivers liquid helium or liquid nitrogen to a two-stage heat exchanger and sample mount. The ST-300-MS is portable, easily mounted in a variety of configurations, and can be used both in transmission and reflection geometries. The sample holder position is adjustable to allow for samples of varying thicknesses.
- Ultra-compact design for very restricted spaces
- Electrical and RF feedthroughs
- Alternative window materials and sizes
- A complete system solution including temperature controllers, pumping systems, and storage Dewars
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|Temperature range||<2 to 325 K (500 K optional)|
|Initial cooldown time||30 min|
|Nominal temperature stability (with controller)||50 mK or less|
|Orientation||Any position (with increased helium consumption)|
|System Weight (without transfer line)||10 lb (4.6 kg)|
|Cryogen consumption on cooldown||0.4 L LHe (325 to 4.2 K)|
0.1 L LN2 (325 to 77 K)
|Nominal cryogen consumption rate||<0.6 L/h LHe (5 K)|
0.1 L/h LN2 (100 K)
|NOTE: Specifications do not include optical or experimental heat loads and assume vertical orientation.|
Specifications may change depending on the length of the transfer line flexible section.
Special ST-300-MS with rectangular window block, sapphire windows, and end-user designed sample holder
This particular system is designed for use only with LN2, so there is no radiation shield in the sample area. The end-user only needs to remove the window block to access the sample and will never need to remove the entire vacuum shroud.