SNSPD
Cryostat
-
SNSPD
-
Cryogenic Systems
-
Cryogenic Vacuum Accessories
-
Photoelectric Products
-
Superconducting Quantum Interference Device
-
PHOTEC gadgets
Low vibration thermostat
Ultra-low vibration sample chamber
On the air flotation platform, the vibration isolation structure between the refrigerator and the sample chamber is designed to achieve ultra-low vibration of the sample chamber.
Installation base: passive air flotation platform
Minimum temperature: ≤3.0K
Z-axis vibration:<100nm
X/Y axis vibration:<100nm
- Previous：1K Multi-channel cryostat
- Next：800mK adsorption module
Parameter Details
In order to meet the needs of users' customized systems, we can provide the following additional upgrade options on the basis of conventional cryogenic systems. You need to specify in advance when placing an order.
01/ Precise temperature control
Through the use of a combination of passive and active temperature control methods, the precise temperature control requirements between 3K and 60K are realized.
| Heater | HTR-50 |
| Temperature control range | 3K~60K |
| Optimal temperature control accuracy | ±0.5mK |
02/ Magnetically shielded sample chamber
The shielding cavity is made of special permalloy that maintains high permeability at low temperatures to achieve the magnetic shielding effect on the cavity.
| Sample holder material | Oxygen-free copper |
| Surface treatment | Non-magnetic gold plating |
| Shield material | cryoperm |
| DC cable material | Nb-Ti twisted pair cable |
| Remanence strength | ≤100nT |
03/ Optical window
The vacuum-sealed window sheet and low-temperature filtering are used to realize the coupling of the user's optical path with the low-temperature sample.
| Window piece material | Coating observation window |
| Window size | Typical 2 inch |
| Window form | Removable flange |
| Filter material | According to user needs |
| Filter band | Terahertz/mid-infrared, etc. |
04/ Flange interface performance parameters
| Flange specifications | KF25/40 | CF35 |
| Ultimate vacuum | 1E-8 mbar | 1E-12 mbar |
| Number of DC channels | ≤32 | ≤32 |
| Operating temperature | -20℃~80℃ | 20℃~80℃ |
| Connection form | Soldering | Soldering |
| Pin diameter | 0.9 mm | 0.9 mm |
| Pin resistance | ＜4.8 mOhm | ＜4.8 mOhm |
05/ DC cable performance parameters
| Cable material | Manganese copper | Phosphor bronze | Nb-Ti | |
| Resistance @293K | 61 Ω/m | 8.7 Ω/m | 52 Ω/m | |
| Wire diameter | 0.1 mm | 0.12 mm | 0.1 mm | |
| Withstand pressure | 600 V | 600 V | / | |
| Thermal conductivity | 4 K | 0.5 W/(K*m) | 1.6 W/(K*m) | / |
| 10 K | 2 W/(K*m) | 4.6 W/(K*m) | / | |
| 80 K | 13 W/(K*m) | 025 W/(K*m) | / | |
