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Conferences > OFT > 2023 > OW4B > OW4B.7
  • Optica Design and Fabrication Congress 2023 (IODC, OFT)
  • Technical Digest Series (Optica Publishing Group, 2023),
  • paper OW4B.7

Ultrafast Laser Stress Figuring: a non-contact finishing process for lightweight mirrors

Brandon D. Chalifoux, Kevin A. Laverty, Marcos A. Esparza, Carolyn C. Hokin, Ian J. Arnold, Daewook Kim, James B. Johnson, and Michael A. Echter

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Abstract

We present Ultrafast Laser Stress Figuring, a mirror finishing process that introduces controllable stress to bend mirrors. We demonstrate deterministic and stable correction of Zernike polynomials up to 7th order, without introducing mid-spatial frequency error.

© 2023 The Author(s)

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