Optical Filters

Optical Instruments


Contact Us

About Us

image Optical Filters

image model MAX-350

image Astronomical Filters

image model HAL-320

Asahi has developed photonics tools for over 50 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!


Longpass filter (monolithic substrate)

August 24, 2020

Longpass filter (monolithic substrate)

We replace conventional longpass filters (multi-substrates) with a monolithic substrate.

>>Read more


October 18, 2018

LED Light Source

High-power LED light source with various wavelengths

>>Read more

High transmission bandpass filters

September 10, 2018

High transmission bandpass filter

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

>>Read more


2019 MRS Fall Meeting & Exhibit

October 28, 2019

2019 MRS Fall Meeting & Exhibit / Booth No. 1028

December 3 - December 5, 2019
Hynes Convention Center
Boston, USA

>>Read more

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

>>Read more

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

>>Read more

Products and Applications

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