RF power density and field characterization technique

A method of manufacturing an electromagnetic field characterization apparatus comprising:

• providing an electromagnetic source adapted to emit electromagnetic field;
• providing an electromagnetic absorption material adapted to receive said electromagnetic field;
• providing a plurality of temperature sensors adapted to orient on said electromagnetic absorption material and output a plurality of temperature sensor data frames data;
• providing a plurality of processing sequences comprising:
• a first processing sequence adapted to select and store an initial and final temperature sensor data frame from said plurality of temperature sensor data frames based on a first and second temperature parameter, said first processing sequence further determines a differential temperature data associated with said initial and final temperature sensor data frames;
• a second processing sequence for calculating a power density data associated with all or a portion of said plurality of temperature sensors and said final temperature sensor data frame, said second processing sequence determines said power density data based on power density formula defined in equation (2) as
• 1
• 1
• -
• τ
• -
• Γ
• [
• D
• ⁢
• ⁢
• ɛσ
• b
• ⁡
• (
• T
• 4
• -
• T
• 0
• 4
• )
• +
• ∑
• All
• ⁢
• ⁢
• Heat
• ⁢
• ⁢
• Sinks
• ⁢
• C
• ⁢
• ⁢
• ρ
• ⁢
• ⁢
• V
• Δ
• ⁢
• ⁢
• tA
• ⁢
• (
• T
• -
• T
• 0
• )
• ]
• and a plurality of inputs to said equation (2) including said differential temperature data, where Γ is a coefficient of absorption of the electromagnetic absorption material, τ is a coefficient of transmission of the electromagnetic absorption material, T is the final temperature of the electromagnetic absorption material, T0 is the initial temperature of the electromagnetic absorption material, ε is emissivity of the electromagnetic absorption material, σb is the Stefan-Boltzmann constant, C is a specific heat of at least one heat sink, V is a volume of the heat sink, ρ is a density of the heat sink, A is a contact area between the electromagnetic absorption material and the at least one heat sink, Δt is a time differential between the initial and final temperature sensor data frames, and D are degrees of freedom of atoms or molecules that comprise the electromagnetic absorption material, wherein said equation (2) is modified based on a particular said electromagnetic absorption material, wherein the modified equation (2) components are coefficient of absorption of the electromagnetic absorption material, a plurality of degrees of freedom data for atoms or molecules associated with said electromagnetic absorption material associated with a blackbody radiation calculation, emissivity of blackbody radiation associated with said electromagnetic absorption material, specific heat capacity of said at least one heat sink placed in proximity to said electromagnetic absorption material, density of said at least one heat sink, volume of said at least one heat sink, and area of interface between said at least one heat sink and said electromagnetic absorption material;
• and
• a third processing sequence for producing at least one graphical user interface, said at least one graphical user interface comprises a power density image output produced based on a plurality of ranges of power density which depicts said power density data, said at least one graphical user interface also is adapted to display one or more said power density data associated with at least one of said plurality of temperature sensors.