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News

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.

TMT International Observatory 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.

Insights from the MODHIS Midterm Conceptual Design Review
February 14th, 2024 Engineering & Technology

The Multi-Objective Diffraction-limited High-resolution Infrared Spectrograph (MODHIS) team recently conducted a midterm conceptual design review at the TMT Project Office in Pasadena on 30 January 2024. Led by Principal Investigator Dimitri Mawet (Caltech), co-Principal Investigator Michael Fitzgerald (UCLA), and Project Scientist Quinn Konopacky (UCSD), the MODHIS team showcased significant updates regarding MODHIS's design and expected...

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 TMT International Observatory Project Office and was conducted by a panel consisting of external and internal experts.

TMT Secondary Mirror Support System and Positioner Assembly Kick-Off Meeting
November 16th, 2023 Engineering & Technology

A kickoff meeting was recently held for the TMT Secondary Mirror Support System and Positioner Assembly (M2SSP), a critical subsystem of the TMT Observatory. Responsible for safely supporting and adjusting the rigid body motion of the secondary mirror (M2), the M2SSP encompasses all of the secondary mirror system hardware, minus the mirror itself, as well as the controls and safety systems.

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 Monrovia Lab Visit
August 22nd, 2023 Education & Outreach

On 18 July 2023, Sergio Salata, Astronomy Project Manager of Added Value Solutions (AVS) in Tenerife, visited the TMT office to tell us about the astronomy projects and other science equipment development projects the AVS company had been involved with. His short talk and discussions with project staff covered astronomy instrumentation, cooling, cryostats, opto-mechanics and other topics of relevance to TMT development.

Dust Boot Design for TMT’s Primary Mirror Moves Into Final Design Stage
July 17th, 2023 Engineering & Technology

An important component of TMT’s Primary Mirror Control Sensing System and the Alignment and Phasing System is progressing to its final design and qualification stage: the sensor dust boots.

Progress in India-TMT Optics Fabrication Facility Commissioning
July 4th, 2023 TMT Partner News

Exciting news out of India: TMT’s Primary Mirror Segment Polishing and Metrology Equipment have been successfully installed in the India-TMT Optics Fabrication Facility. The Stress Mirror Polishing machines and metrology tools involved in the production of TMT’s aspherical polished mirrors (aka roundels) were shipped to India to be installed and tested over several months.

TMT Mirrors Alignment and Phasing System Progress
June 2nd, 2023 Engineering & Technology

How will TMT make its 492 primary mirror segments behave as a single mirror of 30 meter diameter? TMT’s Alignment and Phasing System (APS) team has come up with the solution that will keep all of TMT’s mirrors aligned to a high precision of about 10 nm root-mean-square (RMS).

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