Calculate:
Penetration
Depth      Output
Format        Notes

Definition:

Equation

Parameters

Diagram

Calculate Penetration
Depth:                                    top

Parameter

Value

Units

Special
Values

Inputs:

er (rel.
permittivity)

r (resistivity)

Ohm-meterskiloOhm-metersMegaOhm-metersmicroOhm-metersmicroOhm-centimetersOhm-centimetersOhm-feet_____________________

mr (rel.
permeability)

1 for most
media

Output:

dp (penetrat.
depth)

meterscentimetersmillimetersmicrometersnanometersinchesfeetmilsyardsmileskilometerslightyears_____________________

Output
Format:
top

Select
Format:

Scientific

Engineering

Fixed

Notes:
top

This formula applies to slight
conductors.

Equal to the inverse of the complex
component of the wave number, ki.

Equals the distance over which an
incident wave decays to 1/e it's initial amplitude.

Relative permittivity = dielectric
constant.

A conductor is "slight" when:

Source:  Applied
Electromagnetism Second Edition by Liang Chi Shen and Jin Au Kong, PWS
Publishers, Boston, Massachusetts
1987

Copyright ?2000-2001  Raymond J. Allen