Large, cylindrical, pulse tube, dry,
dilution-refrigerator cryostat
Features:
- Cryomech PT415 Pulse Tube Cooler
- Remote Rotary Valve Motor
- Vibration Isolation Bellows
- Electronically controlled motorized heat switch
- Captive screws on vacuum jacket and thermal shield
- Nickel plated aluminum thermal shields (50 K, 3 K)
- Optimized for versatility and flexibility
- 12X 3" ports on top flange
- 1X NW50 ports on vacuum jacket side
- 1X Ø6" port on vacuum jacket bottom
- Robust internal construction
- Custom Service Stand (option)
- Allows for transport & servicing
- Allows for inverting of cryostat
Specifications:
- Large Experimental Space: 22.9" Diameter X 42.7" Height
- Cool down from 300 K in 24 hours (to be confirmed)
- Pulse tube stage temperatures of 50 K and 2.7 K
- 1.5 W cooling power at 4.2 K
- DR stage temperatures of 0.6 K, 0.1 K, 0.03 K
- 200 µW cooling @ 100 mK
Section view of 105 Annapurna DR cryostat showing pulse-tube head, dilution refrigerator, sub-Kelvin stage plates, low-thermal structural supports, thermal shielding.
Outside view of Model 105 Annapurna dry DR cryostat.
Inside view of Model 105 DR cryostat showing pulse-tube cooler and stage plates at 50 K, 3 K, 600 mK, 100 mK, 30 mK.
Cross section view of Model 105 Annapurna showing pulse-tube cooler, DR insert, pump line and heat exchanger.
Side view of 105 Annapurna DR cryostat vacuum jacket and pulse-tube head.
Cross-section of 105 Annapurna cryostat showing pulse-tube cooler, DR (dilution refrigerator) insert, millikelvin stage plates, and thermal shields.
Top view of 105 Annapurna DR cryostat showing pulse-tube cooler and feedthrough flanges.
Wet DR Cryostat |
Dry DR Cryostat |
Vacuum Jacket Size Ø 54 cm X 119 cm Tall |
Vacuum Jacket Size Ø 55 cm X 110 cm Tall |
Experimental Volume Ø 42 cm X 19 cm Tall |
Experimental Volume Ø 38 cm X 19 cm Tall |
1st Stage Cooling Power 77 K LN2 |
1st Stage Cooling Power 40 W @ 45 K |
2nd Stage Cooling Power 4 K LHe |
2nd Stage Cooling Power 1.5 W @ 4.2 K |
Lower Stages 1 K LHe Pot 0.6 K Still 0.1 K Cold Plate |
Lower Stages 1.5 K 0.6 K Still 0.1 K Cold Plate |
Mixing Chamber Base Temperature 30 mK |
Mixing Chamber Base Temperature 30 mK |
Mixing Chamber Cooling Power 150 µW @ 100 mK |
Mixing Chamber Cooling Power 200 µW @ 100 mK |