Optistat DN



  • 77 K - 500 K temperature range
  • Cooling to 77 K in about 20 minutes
  • Short sample change time via a top-loading sample probe - as quick as 5 minutes
  • Long cryogen hold time, around 15 hours, providing a full working day's operation
  • Superb optical access (f/1) for measurements requiring light collection
  • Configured for reflectance and transmission measurements
  • Large illumination area, 15 mm diameter window aperture
  • Compact size allowing easy integration into commercial spectrometers
  • Measurement-ready, via 10-pin electrical wiring to the sample
  • Supplied with a MercuryiTC temperature controller
  • 1 year standard warranty



  • Low cryogen consumption: Brings significant benefits in terms of running cost
  • Quick experiments: A range of sample holders and probes, including liquid cuvettes sample holders and height adjust/rotate probes, are available
  • Simple: The experimental windows and sample holders can be easily changed
  • Versatile: A range of window materials are available. Please contact your local sales representative for more information
  • Software control: Oxford Instruments electronics products are controllable through the software using RS232, USB (serial emulation), TCP/IP or GPIB interfaces. LabVIEW function libraries and virtual instruments are provided for Oxford Instruments electronics products to allow PC-based control and monitoring. These can be integrated into a complete LabVIEW data acquisition system


  • Temperature range: 77.2 to 300 K, may be extended up to 500 K
  • Temperature stability: ± 0.1 K
  • Liquid nitrogen hold time: 15 hrs at 77 K (nominal)
  • Room temperature to base temperature: approx. 20 min
  • Sample change time: approx. 5 min (sample can be changed with the cryostat cold)
  • Weight: 5 kg

A typical system comprises of:

  • OptistatDN nitrogen cryostat
  • Sample holder and rod
  • Up to five sets of windows. (four radial; one axial).Each set includes two windows (radiation shield and outer case windows)
  • Mercury iTC temperature controller
  • High vacuum pumping system


  • UV / Visible spectroscopy: Experiments at low temperatures reveal the interaction between the electronic energy levels and vibrational modes in solids.
  • Infra-red spectroscopy: Low temperature IR spectroscopy is used to measure changes in interatomic vibrational modes as well as other phenomena such as the energy gap in a superconductor below its transition temperature.
  • Raman spectroscopy: Lower temperatures result in narrower lines associated with the observed Raman excitations.
  • Photoluminescence: At low temperatures, spectral features are sharper and more intense, thereby increasing the amount of information available.

Optistat DN
Adobe Acrobat Document 2.6 MB