| Vibration level: | Less than 1 micron |
| Vacuum environment: | ~10-5-10-6 mbar |
| Temperature range: | 5 K to 420 K (with possible field limitation at the higher temperatures) |
| Conductively cooled 3.0 Tesla solenoid with vertical field direction: | Homogeneity of 5% over a 10 mm diameter and an operating current of approximately 35 A |
| Cryogenic consumption: | Helium: ~2.5 liter/hr;
Nitrogen: less than 0.1 liter/hr (without magnetic field) |
| Temperature stability: | ± 50 mK |
Cooling time (for standard 2" diameter
[50 mm] sample mount): | ~2 hours |
| Warming up time: | ~3 hours with quick warming up option (~5-6 hours without) |
Sample mounts:
2" (50 mm) diameter | Ground Chuck
Electrically Isolated Chuck with Bias Voltage Coaxial Cable
Triaxially Guarded Chuck with Cryogenic Triaxial Cable
Special Chuck for Light Transmission Experiments |
| Up to Six Interchangeable Probe Arms: | DC/LF probes: DC to 20 MHz with following tips available:
- Tungsten tips with 0.1 to 200 micron tip radius (optional gold plating)
- Special Tungsten bendable shank and tips (cat whisker)
- Beryllium Copper soft tip with low contact resistance
Coaxial: recommended for currents higher than 1 pA
OR
Triaxial with leakage current of 1 fA to 2 fA at 1V: recommended for currents lower than 1 pA
Microwave probes:
0-40 GHz
0-50 GHz
0-67 GHz
Fiber probes:
Single Mode
UV-VIS or VIS-IR Multimode |
Optical top viewport access:
(different window materials available) | Standard 2.0" (51 mm) clear aperture window
Optional up to 3" (76 mm) clear view window |
| Radiation shield optical top viewport access: (different window materials available including IR absorbing) | Standard 2.0" (51 mm) clear view window
Optional up to 3" (76 mm) clear view window |
| Ultra-high stability, bipolar, four quadrant superconducting magnet DC power supply | 1 mA/hr stability, with programmable field sweep capabilities and IEEE-488 or RS-232 interface. Includes digital displays of magnet current (0.1 mA resolution), magnetic field, set point, sweep rate (as low as 0.1 mA/sec) as well as magnet or power supply voltage, a built in persistent switch heater power source and a quench protection / ramp-down circuit. |
| Monoscopes with LCD 19" monitor or USB camera and precise translation stages | 6.4:1 zoom, 5 microns resolution (216X magnification)
12.5:1 zoom, 3.4 microns resolution (508X magnification)
16.1 zoom 2.2 microns (626X magnification) |
| Probe travel: | ST-1 | ST-2 |
| X-axis: | 1" (25 mm) | 2" (50 mm) |
| Y-axis: | 1" (25 mm)
(15 mm with MW Probes) | 2" (50 mm)
(40 mm with MW Probes) |
| Z-axis: | 10 mm (18 mm optional) | 10 mm (18 mm optional) |
| X-, Y-, Z-axes probe translation (incremental units of graduation): | 10 microns | 12.5 microns |
Probe translation resolution: X-, Y-, Z-axes:
Optional motorized stages with translation resolution up to
0.1 micron | 5 microns | 6.25 microns |