10 K Cryocoolers — Sample in Vacuum Systems

Janis Research (now under the Lake Shore Cryotronics umbrella) 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. The CCS-150 to 350 cryostat range starts at just £10,000+, making these an accessible and affordable option for your lab.

In addition to standard catalogue systems, Janis Research has complete custom design and fabrication capabilities. Their staff of physicists and engineers can design a system based on your specifications and requirements. They also maintain comprehensive records of previously built systems, and can often meet your requirements with an existing design.

Janis produces systems with high-temperature capability to 700 K, and low-temperature capability to <4 K. They also offer high-powered refrigerators for applications with large experimental or radiational heat loads. Contact us to discuss a closed-cycle system designed to satisfy your particular experimental requirements.

ALL Janis cryostats are customisable to suit researcher needs.

Some typical applications include:

  • Cryogenic gas trapping
  • Large sample volume (see Other configurations)
  • Matrix isolation
  • Neutron bombardment
  • Neutron scattering
  • UHV sample environment
  • Vibration isolated systems for microscopy

Model CCS-150

Standard, optical, sample in vacuum 10 K cryocooler with CTI cold head

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
CCS-150 optical 10 K CCR
CCS-150 8200 10 K CCR Compressor
CCS-150 main drawing

Model CCS-250

Non-optical, sample in vacuum 10 K cryocooler with CTI cold head

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 in diameter radiation shield, which permits the installation of large samples.

CCS-250 10 K drawing
CCS-250 10 K non-optical CCR

Model CCS-350

Compact, optical, sample in vacuum 10 K cryocooler with CTI cold head

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 in 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.

CCS-350 10 K CCR

Model CCS-350S

Sub-compact, optical, sample in vacuum 10 K cryocooler with CTI cold head

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.

CCS-350S main drawing
CCS-350S 10 K CCR


Model CCS-350R

Compact, optical, sample in vacuum 10 K cryocooler with CTI cold head 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 in 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-350T

Compact, non-optical, sample in vacuum 10 K cryocooler with CTI cold head

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 in diameter sample mounting area as the standard model, but with reduced radiation shield and vacuum jacket diameters.

CCS-350T main drawing
CCS-350T

Model CCS-350ST

Sub-compact, non-optical, sample in vacuum 10 K cryocooler with CTI cold head

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.

CCS-350ST 10 K CCR

Other configurations

Model CCS-150 with large windows

This photo shows a model CCS-150 with (2) 2.63 in diameter clear view windows.

Model CCS-150 with optional horizontal mounting stand and special sample holder with electrically isolated pins

This particular stand is bare aluminum. Black anodizing is also available as an option.

Special CCS-350R 10 K matrix isolation system

CCS-350R Matrix  Isolation

Model CCS-350SR with handles

CCS-350SR with handles

Standard configuration

“XX” indicates the cold head for the system. “00” for SHI cold heads and “50” for CTI cold heads.

  • Optical
    • Standard: CCS-1XX
    • High temperature: CCS-4XX
  • Compact optical
    • Standard: CCS-3XX
    • Subcompact: CCS-3XXS
    • Rotatable: CCS-3XXR
  • Non-optical
    • Standard: CCS-2XX
  • Compact non-optical
    • Standard: CCS-3XXT
    • Subcompact: CCS-3XXST

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 in clear view quartz windows (CCS-1XX)
  • Gold-plated OFHC copper sample holder (all sample in vacuum systems)
  • Helium compressor and 10 ft gas lines (all sample in vacuum systems)
  • Optical vacuum shroud and radiation shield (f1.0 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)
  • Specially modified window block with a larger window as an option (CCS-1XX, CCS-450)
  • 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)

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