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Credit: ESO

The ELT (Extremely Large Telescope) will be fitted with 28 LVSM (Large Visible Sensor Module) adaptive optics wavefront sensors as part of a closed loop feedback system that will enable the telescope to adapt to millisecond changes in atmospheric conditions. Teledyne e2v, the world leader in developing ground-based astronomy sensors, has been awarded a multimillion euro contract by the European Southern Observatory (ESO) to design and produce 28 LVSM sensors for the world’s largest optical telescope – the ELT, which is currently under construction on a mountain in Chile.

The extreme sensitivity and fast response of the LVSM sensors will enable the telescope’s adaptive optics systems to make tiny adjustments around 700 times a second to maintain a sharp, high-resolution image as atmospheric conditions vary. The ELT optical/near-infrared telescope is being constructed at a cost of around one billion euros. At roughly the size of the Colosseum in Rome, it will have a...

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