Cryogenic Research Equipment by Janis

Cryostats for FTIR Applications

Continuous Flow Cryostat with
Sample in Vacuum
Model ST-100-FTIR

The ST-100-FTIR cryostat is similar in operation to the standard SuperTran (ST-100) cryostats. To the basic design we have added a multiple-position sample holder and precision linear manipulator, allowing a reference plus two samples to be loaded at any one time. Samples may also be rotated.

As with all Janis cryostats, modifications may be made to the standard design in order to ensure a match with existing equipment. For example, the footprint of the cryostat may be reduced, or the number of sample positions increased.  Click here for another example of a modified system.

Standard ST-100-FTIR features include:
  • Sample in vacuum
  • Multiple position sample holder
  • Linear manipulator with 2" travel
  • Sample rotation with scale
  • Silicon diode temperature sensor
  • Mounting flange to fit spectrometer
  • High efficiency cryogen transfer line
  • 1.63" diameter clear view window ports
  • O-ring sealed windows for easy window change
  • Liquid helium or liquid nitrogen cooling
 Options include:
  • Remotely controlled linear manipulator and/or rotary stage
  • IR window materials, wedged or plane parallel
  • Compact design for a reduced cryostat footprint
  • Electrical access to the sample
  • A complete system solution including temperature controllers, pumping systems and storage dewars
  • High temperature operation

Contact Janis today to find out how the ST-100-FTIR can be modified to suit your application.

System Specifications ST-100-FTIR
Sample Environment Vacuum
Temperature Range ~2.5 - 325 K (higher temperatures optional)
Initial Cooldown Time 15 minutes
Temperature Stability (with controller) 50 mK or less
Orientation Any position
System Weight (less transfer line) Approx. 10 lbs.
Cryogen Consumption (cooldown) 0.4 liters LHe from 325 - 4.2 K
Cryogen Consumption (operation) 0.5 L/hr at 5 K w/LHe
Note: Specifications do not include parasitic or experimental heat loads.
 

Janis Research Model ST-100-FTIR Janis Research Model ST-100-FTIR SPECIAL with automated linear and rotary motion.
Model ST-100-FTIR Model ST-100-FTIR SPECIAL
with automated linear and rotary motion

ST-100-FTIR Mechanical Drawing

Mechanical drawing of Janis model ST-100-FTIR cryostat, cryogenics

Pictured to the near right is a model ST-100-FTIR configured for use in conjunction with a Thermo Nicolet Nexus 8700 FTIR spectrometer.  The system uses a standard Nexus 8700 mounting plate, modified to match the cryostat vacuum shroud.  Use of the standard Nexus mounting plate allows for easy integration of the cryostat and spectrometer.  A specially configured two-piece, three position sample holder is supplied with the system (shown to the far right).

ST-100-FTIR for use inside of a Thermo Nicolet Nexus 8700 FTIR spectrometer, Janis Research, cryogenics. Click here for a larger view.

Special 2-piece multi-position sample holder for ST-100-FTIR, Janis Research, cryogenics. Click here for a larger view.
Special ST-100-FTIR for Thermo Nicolet Nexus 8700 FTIR Spectrometer
Special 2-piece Three Position Sample Holder

 

Table of Contents

 Page
Introduction 1
Continuous Flow Cryostat – Sample in Vacuum – ST-100-FTIR 2
Continuous Flow Cryostat – Sample in Vapor – STVP-100-FTIR 3
Liquid Nitrogen Pourfill Cryostat – VPF-100-FTIR 4
Low Vibration Pulse Tube - PT-950-FTIR   5
Next Page Janis Products Contact Janis Research Back to Janis Research Home Page
JANIS RESEARCH COMPANY, INC.
2 Jewel Drive, P.O. Box 696
Wilmington, MA 01887-0696 USA
TEL: +1-978-657-8750   FAX: +1-978-658-0349
E-Mail: sales@janis.com
Policies