You are currently converting frequency units from fresnel to decisecond(period)
1 Fresnel = 1.0⋅10-11 ds(p)
Conversion base :
1 Fresnel = 1.0E-11 ds(p)
Conversion base :
1 ds(p) = 1.0E-11 Fresnel
Conversion base :
1 Fresnel = 1.0E-11 ds(p)
1 ds(p) = 1.0E-11 Fresnel
Period
The period is not the same dimension than the frequency. The frequency (f) is the reciprocal of the period (T) : f = 1/T
We have merged period and frequency here to allow easy conversions between both dimensions.