| 西鉑萊恩 |
2011-09-16 14:20 |
glass selection
Glass selection tends to be both a science and an art. It is the intent of this paper to remove the PvV\b<Pe+
"mystique" surrounding glass selection, primarily based on the chromatic properties of the glass, *5BVL_:~J
and to show via careful parametric analyses how we can optimally select glasses for lenses of Bj2iYk_cLa
different f/numbers, spectral bands, and performance requirements. The important roles of }wn|2K'
refractive index and Abbe number as well as partial dispersion will be considered. Using the BM:p)%Pv#P
SCHOTT glass map, six separate and identifiable regions along with glasses within each region Ncbe{}<md
will be discussed. The goal for this paper is to make glass selection easier to understand.
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