Designing Custom Optical Coatings

September 25, 2020

Many coating vendors supply what is termed “off the shelf” coating formulas available for common substrate types and wavelength ranges. These coatings are tested and approved for a variety of applications and allow for flexibility when assisting a customer with a quick turn or an on-going coating project. Things get slightly more sophisticated when a customer has a challenging application requiring a custom designed coating formula. These scenarios may require a coating design person to engineer a single or multilayer coating in which the transmittance , reflectance , and or absorptance values are specified at a specific number or range…

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