Optical Filters

Optical Instruments


International Agency

About Us

image Optical Filters

image model MAX-350

image Astronomical Filters

image model HAL-320

Asahi has developed photonics tools for over 45 years, and now provides state-of-the-art optical filters and instruments to overseas customers.
We are passionate about contributing to the development of optical industries and progress of sciences with our cutting-edge technology.
Stop by our website, find the best solutions, and let's discuss what you require for your science and business with Asahi!



October 18, 2018

LED Light Source

High-power LED light source with various wavelengths

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High transmission bandpass filters

September 10, 2018

High transmission bandpass filter

Magnetron sputtering technology replaces conventional bandpass filters with all dielectric ...

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Astronomical filters

June 8, 2018

Astronomical filters

Information on astronomical filters is updated.

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258th American Chemical Society National Meeting & Exposition

july 16, 2019

258th American Chemical Society National Meeting & Exposition / Booth No. 1939

August 25 - 27, 2019
San Diego Convention Center
San Diego, USA

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Laser World of Photonics 2019

June 4, 2019

Laser World of Photonics 2019 / Hall B2, Booth No. 340

June 24 - 27, 2019
Messe Munchen
Munich, Germany

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2019 E-MRS Spring Meeting

May 10, 2019

2019 E-MRS Spring Meeting / Booth No. 9

May 28 - 30, 2019
Palais des Congres Nice Acropolis
Nice, France

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Products and Applications

image UV Filters image astronomical filters image Photochemistry image Solar Simulator image Monochromatic Illuminator