The dimensionless quantity so obtained may be multiplied by 100 to express ovality as a percentage.
2.
Alternatively, ovality of the core or cladding may be specified by a tolerance field consisting of two concentric circles, within which the cross section boundaries must lie.
3.
Quantitatively, the ovality of either the core or cladding is expressed as \ frac { 2 ( a-b ) } { a + b }, where " a " is the length of the major axis and " b " is the length of the minor axis.
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