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 Filters Chosen for Dragonfly Telescope

Iridian Filters Chosen for Dragonfly Telescope

Ottawa, Canada, June 7, 2021 Iridian Spectral Technologies congratulates the team at the Dunlap Institute at the University of Toronto on securing nearly $2 million in support from the Canada Foundation for Innovation (CFI) for the development and expansion of their...

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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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Upcoming Events

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SPACE 4 – Online meetings dedicated to Earth, Mobility, and Telecom in the Space Industry

June 22 - June 24

Iridian will be participating in the SPACE 4 virtual event from June 22 to 24.  We would like to invite you to attend this online event and connect with us. SPACE 4 "3 DAYS OF ONE-TO-ONE ONLINE MEETINGS DEDICATED TO EARTH, MOBILITY AND TELECOM IN THE SPACE INDUSTRY" For more info and to register to attend this virtual live event, please visit: https://space4.vimeet.events/en/sheet/380744 

Iridian to Present at Photonics+ 2021

June 29 - June 30

  PHOTONICS+ Virtual Exhibition and Conference, in partnership with EPIC, is a new, efficient networking event for the photonics industry. Iridian will be presenting on “Optical Filters in Space – from Earth Observation to Satcom” June 29th at 15:15 CEST (9:15 EDT). Limited complimentary tickets to the exhibition are available upon request – please contact [email protected] to request your ticket. For more information about the PHOTONICS+ Virtual Exhibition and Conference, you can follow this link:  https://photonicsplus.com/   To register for the…

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