Searched for: subject:"Determinants"
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Nijenhuis, J.R. (author), Hamelinck, R.F.M.M. (author), Braam, B.C. (author), Cayrel, M. (author), TNO Industrie en Techniek (author)
The largest optical telescope in the world will be the E-ELT. Its primary mirror will be 42m in diameter. This mirror will consist of 984 hexagonal segments that are all individually supported. Each mirror will be controlled in six DOF while local shaping of the segments is provided by so called warping harnesses. These will correct for focus,...
conference paper 2010
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Kappelhof, J.P. (author), Nijenhuis, J.R. (author), Technisch Physische Dienst TNO - TH (author)
The two most important characteristics of opto-mechanical structures used in space or for astronomy are high accuracy and stability. Much time, money and energy is invested in achieving this. However, because resources are limited, it is important to realize that the cost of an instrument is mainly determined during the design process. Three...
conference paper 2003