Standard Configuration
Janis Research offers 10 K closed cycle refrigerator (CCR) systems in a variety of configurations. Standard models include optical, non-optical, compact, subcompact and rotatable vacuum shroud.
"xx" indicates the coldhead for the system. "00" for SHI coldheads and "50" for CTI coldheads.
- Optical
- Compact Optical
- Non-optical
- Compact Non-optical
Features:
- 10-pin electrical feedthrough, with three spare access ports (All sample in vacuum systems)
- Evacuation valve and safety pressure relief (All sample in vacuum systems)
- Four (4) 1.63" clear view quartz windows (CCS-1xx)
- Gold-plated OFHC copper sample holder (All sample in vacuum systems)
- Helium compressor and 10' gas lines (All sample in vacuum systems)
- Optical vacuum shroud and radiation shield (f 1.0 optics) (All optical sample in vacuum systems) - OR -
Non-magnetic stainless steel vacuum shroud and aluminum radiation shield (All non-optical sample in vacuum systems)
Available Options:
- 500 K high temperature systems (CCS-2xx, CCS-3xx, CCS-3xxS, CCS-3xxR)
- 800 K high temperature systems (CCS-400H/204)
- 7 K base temperature (CCS-100/204N)
- Additional electrical feedthroughs (BNC, SMA, multipin, and others) (All sample in vacuum systems)
- Bottom window port (All sample in vacuum systems)
- Custom designed vacuum jacket, including larger or smaller diameter, rectangular shape or additional window ports (All sample in vacuum systems)
- Gas introduction ports (All sample in vacuum systems)
- Matrix isolation configuration (all optical sample in vacuum systems)
- Rotatable vacuum jacket (All sample in vacuum systems)
- IR and other window materials (All optical sample in vacuum systems)
- Sample holder for DLTS (All sample in vacuum systems)
- UHV configured, including UHV-compatible thermometry and wiring (CCS-UHV)
- Air cooled compressor (all models)


Model CCS-100/202 Standard, Optical, Sample in Vacuum 10 K Cryocooler with SHI Coldhead
Janis is pleased to announce that the original APD Cryogenics pneumatically driven, 10 K cryocoolers using Displex™ refrigeration system technology are once again available. These cryocoolers are supplied with either Janis cryostats or as "bare" systems, and are provided in the SHI 202 10 K closed cycle system configuration. A complete range of accessories and ancillary equipment are available.



Model CCS-100/204 Standard, Optical, Sample in Vacuum 10 K Cryocooler with SHI Coldhead
Janis is pleased to announce that the original APD Cryogenics pneumatically driven, 10 K cryocoolers using Displex™ refrigeration system technology are once again available. These cryocoolers are supplied with either Janis cryostats or as "bare" systems, and are provided in the SHI 204 10 K closed cycle system configuration. A complete range of accessories and ancillary equipment are available.


Model CCS-150 Standard, Optical, Sample in Vacuum 10 K Cryocooler with CTI Coldhead
The Janis CCS-150 is among the most versatile systems available for laboratory sample cooling. The system is equipped with f 1.0 optics, and includes provisions for a wide variety of electrical connectors. Tapped mounting holes on the vacuum jacket and a sturdy refrigerator baseplate offer convenient mounting in any orientation. The CCS-150 is designed for measurements to 325 K.
The Model CCS-150 optical closed cycle refrigerator was used in experiments mentioned in the following article, which appeared in APPLIED PHYSICS LETTERS 86, 081104 (2005).
- Effects of epitaxial lift-off on interface recombination and laser cooling in GaInP/GaAs heterostructures
Model CCS-100-XG Low Vibration, 10 K Cryocooler with SHI Coldhead
The all-new Janis CCS-100-XG cools materials and devices to <10 K, with nanometer level vibrations. This versatile vibration isolated cryogen-free closed cycle refrigerator comes in standard, UHV and microscopy configurations. The microscopy configuration offers 2 mm working distance. 5 K and 10 K configurations for magnetic and electrical measurements are also available.

Model CCS-450 Standard, Optical, Sample in Vacuum 10 K Cryocooler with CTI Coldhead
The Janis CCS-450 is among the most versatile systems available for laboratory sample cooling. The system is equipped with f 1.0 optics, and includes provisions for a wide variety of electrical connectors. Tapped mounting holes on the vacuum jacket and a sturdy refrigerator baseplate offer convenient mounting in any orientation. The CCS-450 extends the upper temperature limit to 500 K. The CCS-450 includes an exclusive overtemperature protection circuit, which automatically cuts power to the control heater when needed to protect the refrigerator internal components.
Model CCS-350 Compact, Optical, Sample in Vacuum 10 K Cryocooler with CTI Coldhead
The Janis CCS-350 provides all the features of the standard optical systems in a compact configuration. This system offers compact vacuum jackets with optical access, and includes provisions for a wide variety of electrical connectors. A sturdy refrigerator baseplate offers convenient mounting in any orientation.
The compact CCS-350 offers the same large 1.5" diameter sample mount as the standard optical model, but with reduced vacuum jacket size. This design is especially well suited for mounting on optical tables or in spectrometer sample compartments with limited clearance.

Model CCS-350S Sub-Compact, Optical, Sample in Vacuum 10 K Cryocooler with CTI Coldhead
The Janis CCS-350S provides all the features of the standard optical systems in a compact configuration. This system offers sub-compact vacuum jackets with optical access, and includes provisions for a wide variety of electrical connectors. Tapped mounting holes on the vacuum jacket (CCS-350S) and a sturdy refrigerator baseplate offer convenient mounting in any orientation.
The subcompact CCS-350S is primarily used for magneto-optical experiments. The exact length of the cold finger can be specified to match almost any commercially available electromagnet. It can be equipped with field independent thermometry for accurate temperature measurements in any magnetic environment.
Model CCS-350R Compact, Optical, Sample in Vacuum 10 K Cryocooler with CTI Coldhead and Rotating Vacuum Shroud
The Janis CCS-350R provides all the features of the standard optical systems in a compact configuration. This system offers rotatable vacuum jackets with optical access, and includes provisions for a wide variety of electrical connectors.
The CCS-350R offers the same large 1.5" diameter sample mount as the standard optical model, but with reduced vacuum jacket size. It also offers sample rotation through 360 degrees during operation.

Model CCS-250 Non-Optical, Sample in Vacuum 10 K Cryocooler with CTI Coldhead
The Janis CCS-250 is designed for experiments where optical access to the sample is not needed. This system includes provisions for a wide variety of electrical connectors, and a sturdy refrigerator baseplate offers convenient mounting in any orientation.
The CCS-250 includes a 2" diameter radiation shield, which permits installation of large samples.
Model CCS-200/202 Non-Optical, Sample in Vacuum 10 K Cryocooler with SHI Coldhead
Contact Janis for more information.

Model CCS-350T Compact, Non-Optical, Sample in Vacuum 10 K Cryocooler with CTI Coldhead
The Janis CCS-350T is designed for experiments where optical access to the sample is not needed. This systems includes provisions for a wide variety of electrical connectors, and a sturdy refrigerator baseplate offers convenient mounting in any orientation.
The compact CCS-350T offers the same large 1.5" diameter sample mounting area as the standard model, but with reduced radiation shield and vacuum jacket diameters.
Model CCS-350ST Sub-Compact, Non-Optical, Sample in Vacuum 10 K Cryocooler with CTI Coldhead
The Janis CCS-350ST is designed for experiments where optical access to the sample is not needed. This system includes provisions for a wide variety of electrical connectors, and a sturdy refrigerator baseplate offers convenient mounting in any orientation.
The subcompact CCS-350ST is most often used in conjunction with narrow gap electromagnets. The exact length of the cold finger can be specified to match almost any commercially available electromagnet. It can be equipped with field independent thermometry for accurate temperature measurements in any magnetic environment.
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