Sentences with phrase «mirror roughness»

For a 2m telescope, mirror roughness typical of today's telescopes is comparable to the diffraction.

The telescope will also be highly polished to minimize diffuse scatter from mirror roughness — a major source of scattering at large angles.

Not exact matches

The telescope's state - of - the - art instrumentation, including a 4 - meter primary mirror polished to a surface roughness of 2 nanometers (2 billionths of a meter), will give scientists an unprecedented view of the sun, and help answer long - standing fundamental questions in solar physics.