We have added a '650nm short pass filter' to our expert coating.

The short pass filter selectively transmits light below a specific wavelength while blocking light of longer wavelengths. This allows for effective handling of light in a specific wavelength range.
(Are you facing any of these issues?)
■ Is it possible to customize due to high wavelength dependence?
■ Does performance decrease when light is incident at an angle, and can it be controlled?
■ There may be a decrease in transmittance when blocking specific wavelengths.
■ Can it cause chromatic aberration?
■ Is it difficult to control multiple wavelengths simultaneously?
Please consider the optical thin films from Adachi Shinsan Industry Co., Ltd., which can be customized to meet your needs.

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Design and customization are possible for the requested wavelength range.
We can design and coat according to the customer's desired wavelength area. Control in both the transmission range and the stop band, as well as the angle of incidence, are important factors.
We will design according to the characteristics of the substrate and the customer's requirements, so please provide the type of substrate and wavelength range when making inquiries.
However, the substrates that can be coated are limited, so prior confirmation is necessary.