Single Mode fiber diameter calculator | diameter formula

This page covers Single Mode fiber diameter calculator. It takes wavelength, NA as inputs and calculates maximum core diameter as output. The formula for core diameter is also mentioned.

V-number, constant(input1) :

operating wavelength in nm (input2) :

N.A. Numeric Aperture (input3) :


Maximum Core Diameter, µm (Output1):

Example values for above Single Mode fiber diameter calculator:
INPUTS :
V-number = 2.405, λ = 1550 nm, NA = 0.12
OUTPUTS:
9.888 µm


Single Mode fiber diameter formula or equation

Following equation or formula is used for Single Mode fiber diameter calculator. Here V is normalized frequency or V-number.


single mode fiber diameter formula

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