LN2 and LHe Dewars for Cryogenic Research Applications

Compact Liquid Nitrogen Dewar for Infrared Detector Cooling and Component Testing

This small, side-facing 120 mL liquid nitrogen dewar is designed for cryogenic applications such as cooling infrared InGaAs, MCT, InSb, and CCD detectors. With a .75″ diameter cold plate and >9-hour static hold time, the Vega Dewar provides reliable, long-lasting cooling essential for high-performance applications.

Features:

• MLI and Cryogenic Getter: Assure system stability and reliability
• Exceptionally Clean System: The dewar is manufactured for exceptional cleanliness, minimizing the risk of contamination that could interfere with sensitive tests or equipment.
• Extended Hold Time: Provides over 9 hours of static hold, ensuring minimal interruptions during testing or operations.
• System ships under vacuum and does not include a valve operator.
• Customizable: IRLabs offers options to tailor the system to your requirements, including windows for optical access and accessories to enhance usability.

Compact Liquid Nitrogen Dewar for Infrared Detector Cooling and Component Testing

This small, side-facing 1/3 L liquid nitrogen dewar is designed for cryogenic applications such as cooling infrared InGaAs, MCT, InSb, and CCD detectors. With a 2″ diameter cold plate and an impressive >12-hour static hold time, the Rigel Dewar provides reliable, long-lasting cooling essential for high-performance applications.

Features:

• MLI and Cryogenic Getter: Assure system stability and reliability
• Exceptionally Clean System: The dewar is manufactured for exceptional cleanliness, minimizing the risk of contamination that could interfere with sensitive tests or equipment.
• Extended Hold Time: Provides over 12 hours of static hold, ensuring minimal interruptions during testing or operations.
• System ships under vacuum and does not include a valve operator.
• Customizable: IRLabs offers options to tailor the system to your requirements, including: Windows for optical access, Electrical connections for specialized configurations, Accessories to enhance usability.

Cost-effective vapor-cooled nitrogen dewar operating from 50 K to 70 K

The NDV line of nitrogen dewars contain a single cryogenic vessel. A vapor-cooled radiation shield surrounds the vessel and the cold work surface. The guard vacuum of the dewar is enhanced by a molecular sieve “getter” which is mounted to the cold work surface. Larger sizes, including rectangular extensions, are available upon special request.

Applications:

NDV systems are frequently used for near-IR detector and camera systems including CCD, HgCdTe, and InSb. Applications include materials and electronic component testing.

Features:

• Operating temperature range: 50 K to 77 K (with low temperature modification)
• Open cycle operation
• Vapor cooled radiation shield
• Molecular sieve “getter”
• Standard work surface diameters (in/cm): (3.00/7.62, 5.00/12.70, 8.00/20.32, 10.00/25.40, 12.00/30.48, 14.00/35.56)
• Customizable configuration including size
• Optional Autofill Controller available

Efficient vapor-cooled helium dewar operating from 1.8 K to 4.2 K

The helium dewars in the HDV line contain a single cryogenic vessel. A vapor-cooled radiation shield surrounds the vessel and the cold work surface. All interior dewar surfaces are lined with metal foil to provide additional shielding. Larger sizes, including rectangular extensions, are available upon special request.

Applications:

HDV systems are frequently used for mid- and far-IR detector and camera systems including bolometers, photo detectors, HgCdTe, and InSb. Applications include materials and electronic component testing.

Features:

• Operating temperature range: 1.8 K to 4.2 K
• Open cycle operation
• Vapor cooled radiation shield
• Multiple layers of shielding foil
• Standard work surface diameters (in/cm): (3.00/7.62, 5.00/12.70, 8.00/20.32, 10.00/25.40, 12.00/30.48, 14.00/35.56)
• Customizable configuration including size

Cost-effective vapor-cooled nitrogen dewar operating from 50 K to 70 K

The NDL line of nitrogen dewars contain dual liquid nitrogen cryogenic vessels. A liquid-cooled radiation shield surrounds the inner vessel and the cold work surface. The guard vacuum of the dewar is enhanced by a molecular sieve “getter” which is mounted to the cold work surface. Larger sizes, including rectangular extensions, are available upon special request.

Applications:
NDL systems are frequently used for near-IR detector and camera systems including CCD, HgCdTe, and InSb. Applications include materials and electronic component testing.

Features:

• Operating temperature range: 50 K to 77 K (with low temperature modification)
• Open cycle operation
• Liquid cooled radiation shield for very low background radiation
• Extended inner vessel hold times.
• Molecular sieve “getter”
• Standard work surface diameters (in/cm): (3.00/7.62, 5.00/12.70, 8.00/20.32, 10.00/25.40, 12.00/30.48, 14.00/35.56)
• Customizable configuration including size
• Optional Autofill Controller available

Proven performance in a liquid-cooled helium dewar operating from 1.6 K to 4.2 K

The helium dewars in the HDL line contain two cryogenic vessels. The LN2 vessel directly cools a radiation shield that surrounds the LHe vessel and the cold work surface. All interior dewar surfaces are lined with metal foil to provide additional thermal shielding. 

Applications:
HDL Systems are frequently used for mid- and far-IR detector and camera systems including bolometers, photodetectors, and InSb. Applications include materials testing, electronic component testing, and the cooling of entire stand-alone instruments.

Features:

• Operating temperature range: 1.6 K to 4.2 K (with low temperature modification)
• Open cycle operation
• Standard 3 to 14 inch (7.5 to 35cm) diameter cold plates
• Liquid cooled radiation shield
• Multiple layers of radiation shielding
• Standard work surface diameters: (in/cm): (5.00/12.70, 8.00/20.32, 10.00/25.40, 12.00/30.48, 14.00/35.56)
• Customizable configuration including size