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About
M. Hirsch is a distinguished experimental physicist specializing in plasma-facing components and diagnostic systems for magnetic confinement fusion devices. Their seminal work focuses on the development and testing of advanced absorber coatings for high-power microwave environments, particularly within the Wendelstein 7-X (W7-X) stellarator—one of the world’s largest fusion experiments. Hirsch’s most-cited study, "Development and testing of 140GHz absorber coatings for the water baffle of W7-X cryopumps" (2011, 15 citations), addresses a critical challenge: mitigating stray 140 GHz electron cyclotron resonance heating (ECRH) radiation that can damage cryogenic components. By designing and experimentally validating specialized coatings, Hirsch enabled the safe operation of W7-X’s cryopumps, ensuring stable plasma exhaust and long-pulse performance. This work is foundational for next-step fusion devices like ITER, where robust microwave absorption is essential. Hirsch’s contributions exemplify the intersection of materials science and plasma engineering, demonstrating how targeted solutions for component survivability directly advance the viability of fusion energy. Their research continues to influence the design of high-heat-flux components in magnetic confinement systems.
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