You are here

A Cold Cycle 3He/4He Dilution Refirgerator for milliKelvin cooling with an Intermediate Heat Sink at 1.4 Kelvin

Award Information
Agency: Department of Energy
Branch: N/A
Contract: DE-SC0019924
Agency Tracking Number: 245075
Amount: $199,544.00
Phase: Phase I
Program: STTR
Solicitation Topic Code: 32c
Solicitation Number: DE-FOA-0001941
Solicitation Year: 2019
Award Year: 2019
Award Start Date (Proposal Award Date): 2019-07-01
Award End Date (Contract End Date): 2020-06-30
Small Business Information
7476 Industrial Park Way
Macungie, PA 18062-9687
United States
DUNS: 609508213
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Louis Santodonato
 (865) 719-0656
Business Contact
 Louis Santodonato
Phone: (865) 719-0656
Research Institution
 University of Wisconsin
 Brenda A Egan
702 West Johnson Street Suite 1101
Madison, WI 53715-1007
United States

 (608) 262-3482
 Nonprofit College or University

As the size of quantum information systems (QIS) increases with technology development, the required cooling power at temperatures below 100mK will increase beyond that which currently available with commercially available milliKelvin cooler technologies. Additionally, as the size of QIS increases the number of electrical signal leads that require heat sinking in the 1K-temperature range will also increase. A substantial improvement in the cooling power in the 1 K range will be required in addition to increased milliKelvin cooling capacity. The ARS/ UWCEL team proposes to develop a continuous refrigerator capable of cooling to temperatures below 100 mK by implementing a cold cycle dilution refrigerator (CCDR) using a novel thermal magnetic pump technology. The CCDR will be precooled to 1.4 K by a 2 stage closed cycle cryocooler with an additional 3rd J-T stage. The Phase I effort will focus on developing the 1.4 K precooler and a piezoelectric superfluid valve technology that is a key component of the CCDR. In Phase I ARS will scale an existing 1.7 K cooling system to higher cooling power (150mW) and to a lower temperature (1.4 K). This will be accomplished by incorporating a larger 2-stage cryocooler and by redesigning the heat exchangers and throttle device in the J-T stage. Additionally, a piezoelectrically actuated superfluid valve technology will be developed that will enable a superfluid pump with no moving parts that has been developed by UWCEL to be adapted to drive the CCDR. This development effort at the completion of Phase II and beyond will lead to a commercially available integrated cryocooler product that not only provides high cooling power at temperatures below 100mK but also has significant cooling power at 1.4K for heat sinking electrical connections to the cold quantum information system devices. This product will have a market for researchers conducting QIS and low temperature detector development. This product will also have a market with suppliers of commercially available quantum computers when they become available.

* Information listed above is at the time of submission. *

US Flag An Official Website of the United States Government