Zobrazeno 1 - 3
of 3
pro vyhledávání: '"John S. Hudek"'
Autor:
Allen Agliam, Tod Von Boeckmann, Ben Bergin, Cailean O'Sullivan, Steve Doyle, Kuochou Tai, Doug Perry, Jake Bilyk, John S. Hudek, Truman Wold, Leslie Wold, Danya Jacob, Dennis McBride, Robert L. Meeks
Publikováno v:
Ground-based and Airborne Telescopes VII.
Autor:
John S. Hudek, Mike Pollard, Jamie Higginson, Leslie Wold, Truman Wold, Tod Von Boeckmann, Steve Doyle, Dennis McBride, Robert L. Meeks, Kuochou Tai, William Irace
Publikováno v:
SPIE Proceedings.
The W. M. Keck Observatory Segment Repair Project is repairing stress-induced fractures near the support points in the primary mirror segments. The cracks are believed to result from deficiencies in the original design and implementation of the adhes
Publikováno v:
SPIE Proceedings.
Stress induced cracks have developed in the Zerodur glass at bonded supports for the primary mirror segments of the W.M. Keck Observatory telescopes. This has been a slow process that has advanced over the 20 year life of the telescopes. All mirror s