Leading Global Supplier of Optical Filter Solutions

Wide range of high performance custom optical filters
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OISL Vs RF Links: Exploring Technologies for Satcom Constellations

Optical technologies are increasingly central to the growth of satellite communication constellations. These technologies not only facilitate diverse satellite networks and ground-to-satellite connections but also promise enhanced anti-interference through space laser...


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

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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Upcoming Events

Iridian to Exhibit at CIOE 2023 in Shenzhen

Iridian to Exhibit at CIOE 2023 in Shenzhen

Iridian will be exhibiting at the CIOE 2023 (Sep 6-8) event in Shenzhen, China this year.
Please come visit us at exhibition booth #11D55-6, -7 and talk to us about your optical filters needs, Iridian representatives will work with you to find the best solutions at a competitive price.

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