SOW_2020_Dilution_Refrigerator (002).pdf

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Statement of Work: 2020 Dilution Refrigerator 1 Last Saved: 8/25/2020 3:42 PM Double-click on for further assistance.

Use this Statement of Work document to purchase an item and/or item-related services.

TITLE: 2020 Dilution Refrigerator Requesting Lab/Division/Group: PML/686/68605 Requisition Number: NB686050-20-02311

Statement of Need The Advanced Microwave Photonics Group 68605, in the Applied Physics Division 686, in the Physical Measurements Laboratory at the National Institute of Standards and Technology has a requirement for a single “dry” dilution refrigerator (DR).

Since this system will be operated heavily by a user base with a wide range of experience [novice to expert], it is paramount that this system is simple to operate and is robust [minimal downtime]. This system will be used for both short term (1-2 day measurements) and long term measurements (> 3 months). The ability to thermally cycle on shorter time scales is valuable.

The term “dry dilution refrigerator” refers to cryogenic systems which cool experimental payloads by use of a mixture of helium-4 and helium-3 isotopes. “Dry” specifically denotes the modern subclass of these systems which achieve the majority of the pre-cooling power by use of pulse-tube cryocooler technology. The use of pulse-tube cryocooler technology has enabled these systems to operate without having to replenish a liquid helium bath as in older dilution refrigerator systems. Since liquid helium is a restricted resource and its price is volatile, these dry systems have become a sustainable alternative to these older liquid helium-based systems.

This system will be used to pursue research in quantum information, including measurement and computing. Such systems are integral requirements for this kind of research as they allow an experimentalist to cool a superconducting circuit to ultra-low temperatures (T<50 mK), removing the effects of thermal fluctuations in high precision quantum measurements.

Items and/or item-related services Section Requirements Related Information Items/Service (required)

1. One complete dry dilution refrigerator system Specification 1 -see separate attached specifications.

Option A: Vibration isolation Specification A: Reduce vibrations at the mixing chamber cold plate.

Option B: Additional dissipative microwave cabling (SMA connectorized, f<18 GHz) for “input/drive” lines

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Statement of Work: 2020 Dilution Refrigerator 2

Specification B: Must extend from room temperature to the mixing chamber, including cryogenically compatible attenuators (commonly used to thermalize microwave input lines).

Option C: Additional dissipative and superconducting microwave cabling (SMA connectorized, f<18 GHz) for measurement/amplied output Specification C: Dissipative cabling must extend from room temperature to the ~3K (2nd stage pulse tube plate). Superconducting microwave cabling must extend between the mixing chamber and the 3K stage (2nd stage pulse tube plate).

Option D: Additional Magnetic Shields Specification D: Room temperature magnetic shielding, either room temperature and/or cryogenic (superconducting), all forms available

Option E: Warranty extension and maintenance agreement Specification E: Extension options for 1,2, and 3 years ☒ See attached document for detailed specifications

Shipping & Delivery ☐ N/A

The system will be shipped in a timely manner.

☐ Phased delivery is acceptable ☒ Software on USB / disk required ☐ Software electronic delivery acceptable Email address for software delivery

Shipping charges should include the total cost to move the system from the factory to our NIST laboratory.

Installation ☐ N/A

The system and its plumbing must be assembled in the laboratory with standard electrical connections.

☒ Site visit recommended

The vendor will specify all electrical connections necessary to operate the system so that NIST may provide the proper connections at the time of delivery to allow for a rapid and complete functioning installation.

Inspection and Acceptance ☐ N/A

The Government will monitor the initial operation of the system and verify that it performs to specifications.

☒ Government acceptance expected to take

Acceptable equipment shall meet all technical specifications. In addition, we require that the vendor verify

Statement of Work: 2020 Dilution Refrigerator 3 longer than 7 days sustained steady state operation: defined as remaining below 20 mK mixing chamber temperature with all diagnostic and user cabling (microwave and dc lines) installed. The system must demonstrate 1 week of uninterrupted steady state operation prior to acceptance.

Warranty ☐ N/A

Base Manufacturer Warranty is acceptable If you require an Extended Manufacturer Warranty, describe the warranty requirements.

Period Length:1, 2, or 3 years

The vendors should send field technicians to perform warranty service and include this in their terms of service.

☒ Option Period 1 ☒ Option Period 2 ☒ Option Period 3 ☐ Option Period 4

Training ☐ N/A

The vendor will provide, at a minimum training to familiarize the NIST Group on the operation controls of the dilution refrigerator, safety, and best practices.

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Maintenance

☐ N/A

Minimal maintenance requirements for the new system, pumps and cryocooler, should be specified in the vendor’s operation manual.

☐See attached document for detailed maintenance specifications Period Length: Ex. month, 6 month, year etc.

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☐ Option Period 1 ☐ Option Period 2 ☐ Option Period 3 ☐ Option Period 4

Repair ☒ N/A

Choose an item.

Describe your repair requirements.

Period Length: Ex. month, 6 month, year etc.

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☐ Option Period 1 ☐ Option Period 2 ☐ Option Period 3 ☐ Option Period 4

Government Furnished Material / Equipment ☐ N/A

This system requires the use of He-3 gas, a rare isotope that can be expensive to acquire.

The Government has a special program in place to sell He-3 to Government institutions for a reduced price. We would like to use some of the funds in order to purchase this resource.

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Travel ☐ N/A

The installation and first operation of this system will require travel from the vendor.

These costs should be included in the vendor’s quotation for the

Statement of Work: 2020 Dilution Refrigerator 4

The vendor’s technician should travel to NIST to install and operate the system in order to ensure proper delivery, installation, and operation.

Vendor: To the maximum extent possible, include as part of appropriate sections above (maintenance, repair, etc.).

Otherwise, it will be a separate line item, reimbursable per the Federal Travel Regulation.

total price.

Statement of Need