Project Grant 2309268

Award Date 8/15/23
Completion Date 7/31/26
Dollars Obligated $170K
Federal Agency
Division of Physics
Federal Grant Program
47.049
Assistance Type
Project Grant
Place of Performance
Pasadena, CA 91125, USA
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This Project Grant award from the National Science Foundation's Division of Physics (CFDA 47.049 Mathematical and Physical Sciences) provides $170,165 to the California Institute of Technology (Caltech) to support the conceptual design of the laser interferometers for the Cosmic Explorer gravitational wave observatory. The key products and services to be delivered under this award include:

  • Producing a parametric conceptual optical design for the Cosmic Explorer interferometers, which will inform the requirements for all other detector subsystems. This work will leverage decades of relevant experience from the assembled team and build on lessons learned from Advanced LIGO to reduce technical risk.

  • Developing the workforce that will be essential for completing the further stages of design, installation, and commissioning of the Cosmic Explorer detectors, helping to ensure the continuation of U.S. leadership in gravitational wave science over the coming decades.

The award will support research activities at Caltech across four main work packages: core interferometer design, interferometer sensing and control, laser stabilization, and readout and quantum enhancement. This award reflects NSF's mission to promote the progress of the mathematical and physical sciences and enhance understanding of major problems confronting the nation. It was deemed worthy of support based on the team's technical expertise and the project's potential to significantly advance gravitational wave science.

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