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Acryo-4K Refrigerator
The Acryo® 4K refrigerator comes standard with a vacuum sample environment featuring a wide temperature range, ease of operation, and a wide range of applications. There are a variety of GM and PT cryocooler to choose from, with optional helium gas sample environments with indium sealed chamber, customized sample spaces of different sizes, ultra-high vacuum compatibility, ultra-low vibration, a wide range of windows, and a wide range of vacuum electrical feedthroughs.
Typical Characteristics | |
Cold Head | 4K GM or PT cryocooler |
Nominal Temperature Range | <3K - 325K (Optional 500K and 800K) |
Sample Environment | Vacuum |
Typical Applications | Electricity, (near-field) optics, infrared detectors, cascade lasers, THz imaging, magnetism, neutron scattering, DLTS, FTIR spectroscopy, X-ray, high-pressure, high-energy, matrix isolation, cryogenic cold traps, ion traps, cold molecules, microwave devices, low-noise amplifiers, Squid, TES and quantum devices, etc. |
Optional Configuration | |
Low Vibration Option | Cold head suspension vibration damping, flexible bellows and helium gas exchange chamber vibration isolation, vibration damping sand box, etc. |
High Temperature Option | 500K and 800K high-temperature stages and protection circuits |
Sample Environment | Helium environment with an indium sealed chamber, ultra-high vacuum compatibility |
Sample Chamber Size | Ultra-compact, ultra-large sample space |
Vacuum Feedthrough | Multi-pin, SMA, K and V microwave vacuum feedthroughs, BNC, Triax BNC, fiber optic vacuum feedthroughs, gas introduction, etc. |
Windows | Transmission of γ light, χ light, UV, Vis, IR, THz, Mylar, Kapton, Beryllium window, Vanadium window, etc. |
Sample Holder | Electrical sample holders such as PUCK, LCC, DIP, etc., optical transmission sample holders, probe sample holders, solar cell sample holders, thermal transport sample holders, specific heat sample holders, dielectric test sample holders, etc. |
Test Leads | Cryogenic twisted pairs, flexible coaxial cables, microwave semi-steel cables and triaxial coaxial cables |
Examples
4K Refrigerator with Five Optical Windows （left）
4K GM Refrigerator Compact tail, integrated with puck sample holder Compatible with electromagnets （middle）
Valve body separated 4K PT cryocooler, compact tail matching electromagnet for magneto-optical testing （right ）
Compact 4K low vibration refrigerator with tail compact design matching electromagnet （left）
Compact 4K low vibration refrigerator with horizontal extension for micro-optical experiments （middle）
4K cryogenic cold trap for extraction of trace noble gases, oxygen isotopes, etc （right ）
4K PT cryocooler with cold head suspension vibration damping for cold atom/cold molecule experiments （left）
4K cryocooler with optical window on top for low-temperature photofluorescence testing of optoelectronic devices （middle）
High-cooling-capacity, valve-body separated 4K PT cryocooler with cold head suspension vibration damping technology for cooling cascade lasers and detectors （right ）
4K cryocooler for DLTS Testing （left）
4K Refrigerator to match Horiba Fluorolog-3 Fluorescence Spectrometer （right ）
Valve-body separated 4K PT cryocooler, cold head suspension vibration damping, integrated 16-way RF electrical feedthroughs and magnetic shielding cover, for Squid, TES and other quantum device testing （left）
4K Refrigerator to match Horiba QuantaMaster 8000 Fluorescence Spectrometer （right ）