Chromacity's laser used in space research

8th July 2024
Caitlin Gittins

Chromacity, a technological innovator in ultrafast infrared lasers, has been acknowledged in groundbreaking research conducted by Sandia National Laboratories in Albuquerque, USA.

Sandia utilised the Chromacity 1280 ultrafast laser in their system to simulate radiation-induced events in logic circuits, aiming to evaluate the effectiveness of new semiconductor devices for radiation-hardened applications. High-energy particles are known to cause permanent or transitory effects in semiconductor devices, exemplified by the recent memory damage incident in the NASA Voyager 1 spacecraft, likely caused by a high-energy particle strike.

Semiconductor devices are increasingly susceptible to damage from high-energy particles. Space electronics have always been vulnerable, prompting engineers to develop various countermeasures to mitigate issues arising from these high-energy events. As semiconductor devices adopt process technologies with smaller feature sizes, the problem is exacerbated, potentially leading to damage in devices used in terrestrial applications.

The Chromacity 1280, with a central wavelength of 1280nm, delivers sub-250fs pulses at a 100MHz repetition rate. It belongs to a family of fixed-wavelength femtosecond lasers, employing the company’s patented hybrid free-space and fibre architecture, which offers leading efficiency in a compact and robust form factor.

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