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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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.

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

Letter from Iridian President Regarding COVID-19

Letter from Iridian President Regarding COVID-19

Iridian Spectral Technologies is maintaining normal operations during this COVID-19 pandemic period. We continue our dedication to delivering your filters on time with the highest quality.
Our manufacturing capacity and lead times are unaffected; we have adequate supplies of raw materials onsite and have not been notified of any interruption in material supply from our key suppliers.

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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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Upcoming Events

OFC 2023

OFC 2023

Iridian will be exhibiting at OFC 2023 at the San Diego Convention Center between March 7 and March 9, 2023. Please visit our booth (#5141) to discuss your needs for optical filters for telecom and data center applications.

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SPIE Photonics West 2023

SPIE Photonics West 2023

Iridian will be exhibiting at Photonics West 2023 in the Moscone Center, San Francisco, Jan.31-Feb.2 at booth #3332. Please visit to discuss any needs for optical filters for communications (telecom, datacom, satcom), spectroscopy instrumentation (Raman, fluorescence,...

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SPIE BiOS (Jan 2023)

SPIE BiOS (Jan 2023)

Iridian will be exhibiting at BiOS 2023 in the Moscone Center, San Francisco, Jan.28-29 at booth #8332.   Please visit to discuss any needs for optical filters for spectroscopy instrumentation including Raman, fluorescence, bio-analytical, and molecular...

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