EPR Hardware Specifications

Resonators

• CW high sensitivity resonator with optical port. Weak pitch: 2500:1
  • ER 4122 SHQE Resonator.
  • Very high Q, excellent for low-loss samples.
  • Can be used in combination with flat cell, capillaries or Aqua-X for aqueous samples.
• CW dielectric room temperature aqueous resonator for aqueous biological samples. 
  • ER 4123D Resonator.
  • Active sample volume of 3 uL.
  • TPX capillaries for gas exchange experiments. 
• FT Dielectric resonator module, universal probe for FT-EPR experiments. 
  • ER 4118X-MD5 Resonator.
  • Maximum sample size - 5 mm EPR tube.
• Split ring resonator module for DEER, ESEEM, ELDOR.
  • ER 4118X-MS3 Resonator.
  • Maximum sample size - 3 mm EPR tube. 

Resonator Documentation

• Bruker Handout: Basics of Resonators, Changing Cavities, Cavity Cleaning
• ER 4123D Quick Start Guide

Low Temperature System

• Oxford ESR900 continuous flow cryostat for X-band CW resonators.
• Oxford CF935P (non-optical) continuous flow cryostat for X-band and Q-band FT resonators. 
• Temperature range: 4 - 150 K (LHe), 80 - 300 K (LN2).  Users must supply their own cyrogens for use with the low temperature system. 

Software

• Xepr acquisition software
• XSophe simulation software