A New Approach to Diamond-Based High Heat Load Monochromators

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$99,003.00
Award Year:
2009
Program:
SBIR
Phase:
Phase I
Contract:
DE-FG02-09ER85271
Award Id:
94402
Agency Tracking Number:
90078
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
3825 Lancaster Pike, Wilmington, DE, 19805
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
621073191
Principal Investigator:
JosephTabeling
Dr.
(302) 999-1132
services@usapplieddiamond.com
Business Contact:
PeterMorton
Dr.
(302) 999-7476
pete@ddk.com
Research Institute:
n/a
Abstract
Several hundred beam lines are used around the world at today¿s third-generation synchrotron facilities. These facilities must deal with monochromator-based performance problems due to high heat load. Many have resorted to the use of costly, complicated, high maintenance cryogenic cooling of silicon crystals. Single crystal diamond monochromators present an advantage over the silicon crystals currently in use because of their far superior thermal properties and increased strength. The use of diamond monochromators would (1) allow the use of simpler, more reliable, and more cost effective water-cooled systems; (2) enable operation of two or more simultaneous beam lines, thereby doubling the available beam time; and (3) improve the quality of monochromatic X-ray beams (e.g., beam stability and focus). This project will design, build, and test a method of using more plentiful, smaller, and less expensive single crystals of suitable quality, by mounting them to large slabs of polycrystalline diamond. Commercial Applications and other Benefits as described by the awardee By making diamond monochromators more plentiful, expensive cryogenic cooling systems could be replaced by simpler water-cooled systems. Then, beam multiplexing would become possible. DOE accelerator facilities and their users would be the primary beneficiaries of this technology. An increased availability of synchrotron beams with high flux would accelerate the study of protein structure, interstellar matter, and material properties.

* information listed above is at the time of submission.

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