Design of a {O}94 cm mirror mount for the Petawatt Project on Nova | Zendy

Ronald M. Hamilton | Zendy; G. L. Tietbohl | Zendy

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Design of a {O}94 cm mirror mount for the Petawatt Project on Nova

Author(s) -

Ronald M. Hamilton,

G. L. Tietbohl

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/188633

Subject(s) - mount , optics , gimbal , nova (rocket) , laser , physics , engineering , mechanical engineering , aerospace engineering , quantum mechanics

The authors have designed a large optical gimbal mount that will be used on the Petawatt Project currently under construction on the Nova laser. These mounts are designed to hold and tilt {O}94 cm mirrors and gratings that will redirect the {O}60 cm beam through the Petawatt vacuum compressor. Lacking the commercial availability to house this size optic, they have engineered a large mirror mount with a high natural frequency (42 Hz), low self-weight deflection of the mirror (< {lambda}/46), and high positioning accuracy characteristics (< 1 {micro}rad using flexures and stepping motors). Analysis details and methodology are presented

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