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Anti-Reflection Coating Thickness Calculator
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Anti-Reflection Coating Calculator
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Instructions
First choose your substrate and coating material from the drop-down menus. The calculator will provide the index of refraction and the extinction coefficient for the materials
for the given wavelength based on linear interpolations on the values given in Palik's
Handbook of Optical Constants
. You may also provide your own indices of refraction and
extinction coefficients by selecting "User Defined" substrate or coating material.
Next enter your desired coating thickness, incident wavelength and incident angle and press "Calculate."
The percent power reflected will be displayed below.
You may see the graphs by pressing the link "Anti-Reflection Graphs."
You may adjust the domain and range of each graph by entering the desired values below each graph and pressing "Calculate" again.
Anti-Reflection Graphs
Reflection vs. Substrate Index of Refraction
Minimum Substrate Index:
Maximum Substrate Index:
Maximum Power Range:
Reflection vs. Coating Index of Refraction
Minimum Coating Index:
Maximum Coating Index:
Maximum Power Range:
Reflection vs. Coating Thickness
Minimum Thickness:
(in nanometers)
Maximum Thickness:
(in nanometers)
Maximum Power Range:
Reflection vs. Incident Wavelength
Minimum Wavelength:
(in nanometers)
Maximum Wavelength:
(in nanometers)
Maximum Power Range:
Reflection vs. Incident Angle
Minimum Angle:
(in degrees)
Maximum Angle:
(in degrees)
Maximum Power Range:
Substrate Material
User Defined
Si
Silicon Nitride
SiO
2
Amorphous Silicon
Gallium Arsenide
Indium Phosphide
Metallic Aluminum
Nickel
Chromium
Copper
Silver
Substrate Index:
Substrate Extinction Coefficient
Coating Material
User Defined
Si
Silicon Nitride
SiO
2
Amorphous Silicon
Gallium Arsenide
Indium Phosphide
Metallic Aluminum
Nickel
Chromium
Copper
Silver
Coating Index:
Coating Extinction Coefficient
Incident Wavelength:
(in nanometers)
Incident Angle:
(in degrees)
Coating Thickness:
(in nanometers)
Percent Power Reflected:
Error message:
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