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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2019 SPIE

February 18, 2019

SPIE Defense + Commercial Sensing 2019 / Booth No. 754

April 16 - 18, 2019
Baltimore Convention Center
Baltimore, USA

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2018 MRS Fall Meeting & Exhibit

October 16, 2018

2018 MRS Fall Meeting & Exhibit / Booth No. 1028

November 27 - 29, 2018
Hynes Convention Center
Boston, USA

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256th American Chemical Society National Meeting & Exposition

July 11, 2018

256th American Chemical Society National Meeting & Exposition / Booth No. 1113

August 19 - 21, 2018
Boston Convention & Exhibition Center
Boston, USA

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Products and Applications

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