Overview

STVP-100 optical continuous flow cryostat with sample in flowing vapor, Janis Research, cryogenic equipment

Optical continuous flow cryostats with three standard sizes available, although, as with all Janis systems, these systems can be customized to suit your experiment. Systems with a 1.5" sample space are in stock for fast delivery.

 

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Standard Configuration

Designed for experiments requiring optical access to the sample, the Janis Research STVP-100 includes the following components:

Click button to enlarge view of STVP-100 standard optical cryostat - sample in vapor, Janis ResearchEnlarge

STVP-100 Standard Optical Cryostat Mechanical Drawing

Click button below for views of STVP-100 mechanical drawingEnlarge

Views of STVP-100 Mechanical Drawing

  • Optical vacuum shroud
  • Optical radiation shield
  • Four (4) quartz window sets
  • Optical sample holder
  • Temperature sensor
  • Pressure relief valve
  • Sample positioner with one (1) 10-pin and one (1) 8-pin electrical feedthrough
  • 6' superinsulated cryogen transfer line
  • Control heater
  • System test 

Typical Applications:

  • Raman Spectroscopy 
  • UV, VlS, IR, FTIR
  • Optoelectric Effect
  • Photoluminescence
  • High Tc
  • Microscopy

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Specifications

Basic System Specifications - Continuous Flow Cryostats

 

Specification SuperTranVP
(Sample in Vapor)
Temperature Range 1.5-325 K
(consult with Janis for other temperatures)
Initial Cooldown Time 15 minutes
(STVP series: 100-400)
30 minutes
(STVP-NMR)
Nominal Temperature Stability (with controller) 50 mK or less
Orientation vertical for <4.5 K
System Weight (without transfer line) 15 lbs (6.8 kg)
Cryogen Consumption on Cooldown 0.5L LHe (325 - 4.2 K)
Nominal Cryogen Consumption Rate 1.3 L/Hr LHe (5 K)
(STVP-100 [1,2,3] and STVP-200 [1,2,3])
1.4 L/Hr LHe (5 K)
(STVP-NMR)
NOTE: Specifications do not include optical or experimental heat loads and assume vertical orientation.
NOTE: Consult Janis for high temperature or LN2 operations for SuperTran-VP.

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

Other Optical Configurations:

  • Compact vacuum shroud
  • Customized window materials
  • Indium sealed cold windows
  • Customized vacuum shroud lengths
  • Large diameter sample space (see photo at right)
  • Spectrometer mounting flange
  • Isothermal zone sample tube (provides uniform sample temperature and enhanced operation with LN2)
Click on image for enlarged view of STVP-100 with mounting stand, Janis Research

STVP-100 with mounting stand

Click image for enlarged view of STVP-100 with large sample volume, Janis Research

STVP-100 with large sample volume (3" diameter)

STVP-100 with load lock for mounting samples in a glove box, Janis Research, continuous flow cryostat, sample in flowing vapor

STVP-100 with load lock for mounting samples in a glove box

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