AR (anti-reflective) coating performance data using the dip coating method.

When it comes to AR (anti-reflective) coatings, they are widely recognized for being applied through a dry process, but it is also possible to achieve a reflectance of less than 1% (on one side) with a single-layer coating using the wet process dip coating method.
By varying the withdrawal speed during dip coating, we have successfully controlled the film thickness in increments of 5 nm, achieving thicknesses ranging from 100 to 160 nm, as demonstrated by our film thickness analysis data.
The ability to control film thickness by varying the withdrawal speed allows us to target specific bottom wavelengths, making it possible to achieve the desired film deposition for optical lenses that require bottom wavelength ranges of 550 nm to 650 nm, as well as for sensors (LiDAR) used in autonomous driving that require wavelengths around 1500 nm, depending on the purpose and application.
In this catalog, the withdrawal speed varies according to the coating agent, and we have included analysis data for each film thickness.

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