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Successful Collaboration with New TMT Polishing Facility in Bengaluru India
March 14th, 2024 Engineering & Technology

In a significant development for the Thirty Meter Telescope (TMT) International Observatory (TIO), Glen Cole, former lead optical fabrication engineer at TIO, recently visited the India-TMT Optics Fabrication Facility (ITOFF) in Bengaluru, India.

51³Ô¹ÏPro Produces its 100th Polished Mirror
March 5th, 2024 Engineering & Technology

Today, the Thirty Meter Telescope (TMT) International Observatory (TIO) announces the completion of its 100th mirror segment. Ultimately, TIO will mosaic 492 of these segments to form an extremely large mirror 30 meters in diameter. This mirror will be the core component of the largest optical telescope in the Northern Hemisphere.

TMT Laser Guide Star Facility Proceeds to Final Design Phase
December 6th, 2023 Engineering & Technology

The TMT Laser Guide Star Facility has successfully completed its Preliminary Design Review and is advancing to the Final Design Phase. The review was held on 8–9 November 2023 at the 51³Ô¹ÏPro Project Office and was conducted by a panel consisting of external and internal experts.

Faster Processing for TMT's Precision Mirrors
September 1st, 2023 Engineering & Technology

Coherent installs an advanced ultrasonic machine tool to speed hexing of the 1.5 m diameter Thirty Meter Telescope mirror segments.

TMT’s Segment Support Assembly Enters Production in India
April 26th, 2023 Engineering & Technology

TMT’s Optics and M1 Segment Support Assemblies (SSA) is ready to enter production following a successful Fabrication Readiness Review that assessed the production of the hardware required to support the primary mirror segments. Larsen and Toubro (L&T), which is supplying the SSAs, is now one step closer to start production and shall proceed with the procurement of raw material.

TMT’s Telescope Structure Readies for Production
March 23rd, 2023 Engineering & Technology

TMT’s telescope structure subsystem (STR) recently completed two successful Production Readiness Reviews (PRR2 and PRR3) to assess the availability of adequate resources and planning for production, and later for assembly, integration and verification. The STR’s design and future fabrication are activities led by NAOJ and their prime contractor Mitsubishi Electric Corporation (MELCO) in Japan.

TMT Segment Mount Undergoes Tests in the Netherlands
November 17th, 2022 Engineering & Technology

A few months ago, TMT Optical engineers traveled to the Netherlands to support the Dutch company TNO install a TMT Segment Support Assembly (SSA) onto an SSA Module Acceptance Test Tool (SMATT). This is an important step in the design and construction of the M1 optics system, a 492-segment primary mirror for the TMT. 

Updates for TMT Telescope Structure and Utility Services
October 12th, 2022 Engineering & Technology

The teams working on TMT’s Segment Handling System (SHS) and utility system design received some good news following a series of critical review meetings earlier this spring. The TMT Telescope Structure Subsystem (STR) and Summit Facility (SUM) groups conducted the reviews and based on the outcome, the teams mays now proceed independently with the final design of their systems toward production preparation.

National Science Foundation Begins Environmental Review Process
July 19th, 2022

The National Science Foundation (NSF) today issued a Notice of Intent to prepare an Environmental Impact Statement (EIS) and to initiate Section 106 consultation for a potential NSF investment in the construction and operation of the Thirty Meter Telescope.

Production of the TMT M1 mirrors ramps up at Coherent Inc.
September 8th, 2021 Engineering & Technology

The successful production of TMT polished glass-ceramic (M1 roundels) is ramping up according to plan.

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