Leading Global Supplier of Optical Filter Solutions

Wide range of high performance custom optical filters

Hot Topic

Iridian to Attend CIOE 2026 in Shenzhen

Iridian will be exhibiting at CIOE 2026 from September 9 to 11, 2026, at the Shenzhen World Exhibition & Convention Center. We invite you to visit our booth and discuss your optical filter requirements with our team.

Satcom

Optical filters for free space telecommunication links

Spectroscopic Filters

Broadly speaking, these filters are used in optical systems based on Raman spectroscopy or laser-induced fluorescence.

Telecom Filters

High quality telecom filters at competitive prices to meet the ever increasing wireless and fiber-to-the-home traffic demand.

LiDAR

Optical filter solutions for LIDAR applications

Multi-Zone Filters (MZF)

Iridian offers both assembled multi-zone filter arrays and patterned multi-zone optical filters to address these growing needs.

Mid IR

Iridian’s SWIR, MWIR and LWIR bandpass filters are designed to optimize detection of spectral emission lines.

Contact Sales

The Leader in Optical Filter Solutions

Iridian was founded in 1998 and It covers the entire spectrum from prototype development to volume production. Over the decades. Iridian has developed a high degree of automation in order to ensure high quality and low cost products. It has an unparalleled capability to produce both high volume commodity filters and custom thin film optical filters.

Latest News

Iridian Achieves IDEX Green Certification, Strengthening Commitment to Sustainable Operations

Feb 28, 2026

Ottawa, ON — February 13, 2026— Iridian is proud to announce that it has officially achieved IDEX Green Certification, a distinction that recognizes meaningful and measurable progress toward reducing environmental impact and promoting sustainable business practices....

IDEX Corporation Continues Strategic Capital Deployment with Agreement to Acquire Iridian Spectral Technologies

Apr 26, 2023

Northbrook, Illinois, (April 26, 2022) – IDEX Corporation (NYSE:IEX) today announced it has entered into a definitive agreement to acquire Iridian Spectral Technologies (“Iridian”) for cash consideration of 150 million Canadian dollars (“CAD”), subject to customary adjustments.

Iridian Launches New Website to Serve the Japanese Market

Apr 17, 2023

Iridian Spectral Technologies, Ltd. (Iridian) is pleased to announce the launch of our Japanese language version of our website www.iridian.jp.

Upcoming Events

Iridian to Attend CIOE 2026 in Shenzhen

Events

Iridian will be exhibiting at CIOE 2026 from September 9 to 11, 2026, at the Shenzhen World Exhibition & Convention Center. We invite you to visit our booth and discuss your optical filter requirements with our team.

Iridian Participates at SPIE BiOS and Photonics West in San Francisco

Events

Members of the Iridian team will be attending SPIE’s BiOS and Photonics West events, hosted at the renowned Moscone Center in San Francisco, California. Meet us there!

Check Back Later for Future Events

Events

We are planning for new events and will publish them shortly, please check back later.