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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SPIE Photonics West/BiOS Digital Marketplace

March 6 - March 11

Iridian’s representatives will be available through the chat feature Mon Mar.8 through Thurs Mar.11 from 10 am to 4 pm EST.

Please feel free to ask any questions you may have. If you have questions outside of these hours please submit them by chat or send them by email directly to [email protected]

Iridian to Participate in the Pittcon Virtual Expo (2021)

March 8 - March 12

Iridian will be exhibiting at the 2021 Pittcon Conference and Expo (virtual). For more info and to register to attend this live virtual event, please visit https://pittcon.org/pittcon-2021/

Meet Iridian at LASER World of PHOTONICS 2021

March 17 - March 19

Iridian will be attending the Laser World of Photonics China event during March 17-19 at Shanghai New International Expo Center.

We invite you to visit us at booth to discuss your various optical filter requirements. Our representative will work with you to find high quality and reliable technical solutions.

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