Physike Technology Co., Ltd.

Acryo 4K cryocooler

Acryo 4K refrigerator uses a two-stage GM or pulse tube refrigerator as the cooling source. The sample environment for a standard Acryo 4K is vacuum. Acryo 4K has the characteristics of large temperature operation range, simple operation, and wide application range. Options include helium sample environment with indium sealed chamber, customized sample space, ultra-high vacuum compatibility, low vibration, optical windows, and feedthroughs, etc. 

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Acryo 4K with optical windows


Typical specifications

Cold Head

4K GM or pulse tube

Temperature range

2.5K-325K

Sample environment

Vacuum

Applications

Electrical, optical, infrared detectors, cascaded lasers, neutron scattering, DLTS, FTIR, X-ray、 High pressure(DAC), substrate isolation, low-temperature cold trap, ion trap, cold molecules, microwave devices, single photon detection, Squid, TES, and quantum devices

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Acryo 4K with 500K temperature upper limit


Options

Cold head

GM(0.25W,0.5W,1W,1.2W,1.8W,2.5W,4W)@4.2K or pulse tube (1W,1.5W)@4.2K

Low vibration assembly

Cold head suspension, flexible bellows and helium exchange chamber, vibration-damping sandbox

Temperature upper limit

500K or 800K 

Sample environment

Indium sealed helium gas chamber, UHV compatible

Sample space

Compact, Large sample space

Feedthroughs

Multipin/SMA/2.92mm/2.4mm/1.85mm/1.0mm,BNC/Triax BNC、fiber

Window material

γ/χ/UV ray, Vis/IR/THz, Mylar, Kapton, Aluminum, Beryllium, Vanadium

Sample holders

PUCK/LCC/DIP, optical, probe, solar cell, dielectric testing, etc

Wiring

Twisted pair wires, Flexible coax/triaxial cables, RF semi-rigid cables


Examples

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Acryo 4K with GM cold head  compact tail and puck sample 

Acryo 4K with pulse tube cold head and compact tail

Acryo 4K with flexible bellows and helium exchange chamber

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Acryo 4K with flexible bellows and helium exchange chamber for microscopy experiments

Acryo 4K for γ irridiation

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Acryo 4K with pulse tube cold head and CF flange

Acryo 4K with top optical window for PL

Acryo 4K for DLTS

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Acryo 4K compatible with Horiba Fluorolog-3 spectromete

Acryo 4K with pulse tube cold head for cooling cascade lasers

Acryo 4K with compact tail matching with electromagnet

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Acryo 4K with pulse tube cold head for testing Squid and TES

Acryo 4K with 2.5W@4.2K GM cold head, 30cm and 40cm cold plate

Acryo 4K compatible with Horiba QuantaMaster 8000 spectrometer

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Acryo 4K with indium sealing chamber for sufficient cooling of DAC cell

Acryo 4K with 2.5W@4.2K GM cold head and 35cm cold plat

Acryo 4K with UHV chamber for radon gas standard sample preparation