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Leading Global Supplier of Optical Filter Solutions

Wide range of high performance custom optical filters
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Letter from Iridian’s President George Laframboise Regarding COVID-19

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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.


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.

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 Welcomes India’s FII to Its Distributor Network

Iridian Welcomes India’s FII to Its Distributor Network

Ottawa, Canada, Nov.30, 2020 Iridian Spectral Technologies, Ltd. (Iridian) is pleased to announce that it’s long standing Indian distributor for aerospace filters, Futuristic International Inc (FII), is now available to address any and all Indian optical filter...

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Germany’s IMM Photonics Join Iridian’s Distributor Network

Germany’s IMM Photonics Join Iridian’s Distributor Network

OTTAWA, Ontario, October 20, 2020 - Iridian is pleased to announce that IMM Photonics GmbH, Unterschleißheim, Germany has joined us as a distributor of our optical filter solutions.  IMM-Photonics has a long and successful history supporting its customers with custom...

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Upcoming Events

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EPIC – Online Technology Meeting – Commercial Challenges for Photonics as 5G Booms

January 25 @ 9:00 am - 11:00 am

Jan 25, 9am EST - Iridian is proud to sponsor this EPIC 5G OTM  focusing on the needs of the service providers of 5G technologies for new optical technologies such as free-space optical communications, LIFI, fiber based cellular backhaul and integrated optics for increasing port densities and high-speed optics.

EPIC – Online Technology Meeting – Increasingly Important Role for Mid-Infrared Photonics

February 3 @ 9:00 am - 11:00 am

Iridian is proud to sponsor this EPIC Mid IR OTM in which the key players in the Mid-IR ecosystem will discuss about a potential application roadmap for Mid-IR photonics deciphering the collaborations needed and the applications that will allow the manufacturing of large-volume Mid-IR components and systems.

PHOTONICS+ Virtual Exhibition and Conference

February 17 - February 18

Iridian will be exhibiting at the inaugural EPIC PHOTONICS+ Virtual Exhibition and Conference.  For more info and to register to attend this live virtual event including product presentation, keynote speakers, and 1:1 video chats with over 200 exhibitors from around the world, please visit

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