attoPUBLICATIONS attoDRY | Page 5

attoDRY800 • Obstruction free work space • Optical table included (different sizes available) • 36 customer wires included, heat sunk @ 4 K • Turbo pump incl., base pressure in sample chamber < 5e-6 mbar Vibration levels General Specifications Application examples technology ultra low vibration, closed-cycle cryostat intimately integrated into optical table, optical table included sample environment cryogenic vacuum, sample cooled via braids (ATC100) sample space 75 mm (diameter) sample exchange easy access via removal of vacuum shroud usability fully automated temperature control (vacuum, cooldown, T control, warmup), all pumps integrated, USB interface for remote control vibration & acoustic noise damping system proprietary low vibration design Performance Data temperature range 3.8 .. 320 K (depending on configuration) base pressure (in sample chamber) < 5e-6 mbar leak rate of vacuum < 5e-9 mbar l/s cool down time (incl. pumping time) < 4.5 h to 5 K (depending on thermal load) temperature stability < 15 mK (peak-to-peak with damped sample mount) cooling power at sample location > 170 mW @ 5 K vibration level (cold plate, vertical) < 5 nm (peak-to-peak @ 1500 Hz) Closed-cycle cooler Quantum Dot Spectroscopy Photocurrent / Photocon- ductivity Measurements power consumption max. 3 kW cooling of compressor water cooling (default; requires local infrastructure), air cooling (optional) Size and Dimensions optical table standard size 900 mm x 1800 mm x 305 mm (leg height 597 mm); metric or imperial mounting threads (other table sizes available) Options and Upgrades Micro-Raman Imaging / Spectroscopy Resonant Fluorescence Optically Detected Nuclear Magnetic Resonance Quantum Information Processing temperature controller included pumping kit included vacuum shroud Basic (standard shroud), RT-SWD, RT-USWD upgrade, LT-APO objective, HV objective, Photonic Probe Station, or customized height, diameter, windows & working distance electrical access 36 customer wires included, heat sunk @ 4 K feedthroughs electrical (DC, HF), optical fibers, gas capillary (on request) sample motion Premium Line positioners and scanners cryostat compressor upgrade air-cooled (grey-room recommended) flexlines extension to 13 m or 20 m (instead of 6 m) air-compressor for active vibration isolation of optical table Compatible Equipment confocal microscopes attoCFM confocal Raman microscopes attoRAMAN (on request) attoDRY Closed-cycle Cryostats Specifications