Selecting optics suitable for your satellite orbitThe cosmic radiation emitted during solar events such as sunspots, solar flares, coronal mass ejections and proton storms is well known to have a deteriorating effect on orbiting optical equipment in space as well as astronauts. As you move to the higher orbits, and exposure to radiation increases, using radiation tolerant optical materials becomes necessary. Apart from fused silica or quartz – all standard glasses turn dark when exposed to radiation.

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