QUANTUM INSTRUMENT DEVELOPMENT

OGRE is an Adiabatic Nuclear Demag. Fridge for Quantum Gravity Studies.

A. Schemata of OGRE ultra-low vibration ultra-low temperature laboratory. B. Image of OGRE ultra-low vibration ultra-low temperature cryostat.

C. Niall Kennedy, Jan Knapp and Jack Enright preparing OGRE for cooldown. D. OGRE MX400 dilution refrigerator.

E. TITAN two-stage millikelvin torsional isolator below DR mixing chamber. F. OGRE nuclear demagnetization stage heat switch. G. High-Q BeCu torsional oscillator on board TITAN torsional isolator.