FourNineDesign Tabletop Optical Cryostat

We have a FourNineDesign optical cryostat dedicated to low-vibration experiments on floating optical tables that involve

49design

rare-earth ions in cryogenic crystals and trapped ions in the vacuum:
✔ 3.5K base temperature
✔ <30nm vibration
✔ 300mW @ 5K cooling power
✔ 8x ground-floating SMAs at room temperature and SMPs at low temperature
✔ 100x PhBr wires for experiments
✔ 24x PhBr wires for attocube positioners
✔ 6x optical fibers covering UV-Vis-NIR
✔ 8x free-space optical windows