Products

ST-300-MS Compact Cryostat for Microscopy

Overview

Click button below to enlarge photo of standard ST-300-MS 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.

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Standard Configuration

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 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.

ST-300-MS standard configuration mechanical drawing - compact cryostatEnlarge

ST-300-MS Standard Configuration Mechanical Drawing

ST-300-MS ultra-compact option mechanical drawingEnlarge

ST-300-MS Ultra-Compact Option Mechanical Drawing

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.

Options include:

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Specifications

Specification SuperTran
(Sample in Vacuum)
Temperature Range <2-325 K (500 K optional)
Initial Cooldown Time 15 minutes
Nominal Temperature Stability (with controller) 50 mK or less
Orientation any position (with increased helium consumption)
System Weight (without transfer line) 10 lbs (4.6 kg)
Cryogen Consumption on Cooldown 0.4L LHe (325 - 4.2 K)
0.1L LN2 (325 - 77 K)
Nominal Cryogen Consumption Rate 0.58 L/Hr LHe (5 K)
0.1 L/Hr 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.

Typical Cryogen Consumption of Optical SuperTran Cryostats

Click button to enlarge view of SuperTran and SuperTranVP liquid helium consumption rate, Janis Research, cryogenic equipment

 

 

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Other Configurations

Special ST-300-MS compact cryostat for microscopy Close up of Special ST-300-MS compact cryostat for microscopy

Special ST-300-MS

Click photo to enlarge view of special ST-300-MS microscopy cryostat with round vacuum tailClick photo to enlarge close-up of round vacuum tail on special ST-300-MS cryostat for microscopy.

Special ST-300-MS with Round Vacuum Tail

Click photo to enlarge view of special ST-300-MS microscopy cryostat with round vacuum tailClick photo to enlarge view of measurement of height of special ST-300-MS microscopy cryostat with round vacuum tail

Special ST-300-MS with Round Vacuum Tail

 

Click photo to enlarge view of special ST-300-MS with rectangular window block, sapphire windows, and sample holder designed by the customer. Reference 16838Click photo to enlarge view of special ST-300-MS with rectangular window block, sapphire windows, and sample holder designed by the customer.

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.

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