91É«ÇéƬ

Rendering of the coating chamber for 91É«ÇéƬ’s Secondary and Tertiary mirrors.

91É«ÇéƬ Segment Support Assembly (SSA) below hexagonal glass segment. SSAs will hold in place each one of 91É«ÇéƬ 492 primary mirror segments.

91É«ÇéƬ science operations include activities and user services cycling from proposal submission to the preparation and execution of observing programs, and finally process and archive of the data collected at the telescope.

Diagram showing the coordination of the various teams involved in supporting 91É«ÇéƬ operations over a 24h cycle.

This figure shows the transition from construction to operations through subsystem Fabrication/Integration and Testing (INT), Construction, Assembly, Integration and Verification (CAIV), Science and Operations Commissioning (SOC) and the period of early operations leading to steady-state operations (some acronyms are used to denote different levels of reviews: Pre-Shipment Review (PSR), Site Acceptance Review (SAR), Final Acceptance Review (FAR) and Science Readiness Review (SRR)).

This Figure shows the various activities involved in the maintenance and cleaning of 91É«ÇéƬ optics, with their duration and the number of personnel allocated. This is a preliminary allocation which will be updated as the workflows are finalized.

Secure handling of a finished roundel in the preparation for transportation to 91É«ÇéƬ’s warehouse.

On-site source inspection of a new 91É«ÇéƬ roundel produced by Coherent, Inc.

Part of 91É«ÇéƬ's Segmented Primary Mirror, showing the close packing of the glass segments

Test setup to develop tooling and cutting parameters for hexing of 91É«ÇéƬ's Primary Mirror glass

91É«ÇéƬ Mirror Shipping activity in the Bay Area Six 91É«ÇéƬ Primary Mirror blanks arrive at Coherent and are ready to enter the shop, June 10, 2021.