Iridian Spectral Technologies Ltd.



Volume 27
Issue 12

Iridian Spectral Technologies Ltd.

Company Description

The leader in optical filter solutions, Iridian is a coating company that works with you in finding cost effective solutions to your problems. We are the leader in solutions for Raman, confocal, fluorescence, and flow cytometry filters. Our coatings reach from UV to LWIR of the optical spectrum. Our durable and reliable dielectric thin-films provide industry leading optical performance. We provide filters from small prototype volumes to large volume production. We are a reliable partner, with high quality standards and excellent customer service. Our product is state-of-the-art and we set high value on innovation.

Chief Spectroscopic Techniques Supported

  • Raman spectroscopy

  • Confocal fluorescence microscopy

  • Flow cytometry

Markets Served

We are a global supplier who addresses the worldwide need of optical filters for OEMs and individual end users through direct sales support and sales through local distribution channels in Europe and Asia. Iridian provides optical filters and coating services to a wide variety of industrial and research sectors. We are a global supplier for applications in telecommunications, spectroscopy (Raman, fluorescence, flow cytometry) and the entertainment industry (filter wheels, glasses for 3D cinema).

Major Products/Services

We offer optical filters and coatings for UV, visible, and IR applications. Our dielectric thin-film filters provide long term durability and reliability with industry leading optical performance. Get more signal with less background with our optical filters for Raman spectroscopy. We provide pass band transmittances of >90%, exceptional edge steepness, and blocking of >OD6. Capture better images with our single or multi-band filters for fluorescence spectroscopy and microscopy and flow cytometry. Our filters have high transmission with sharp cut offs and excellent isolation providing improved image contrast. Fluorescence filter and filter sets are now available for on line purchase at


Iridian's operation is located in Canada's capital: Ottawa, Ontario. Our offices/headquarters and our manufacturing plant occupy a total space of 40,000 ft2 in our new custom-built facility. We are a Canadian manufacturer.

Iridian Spectral Technologies, Ltd

2700 Swansea Crescent

Ottawa, Ontario K1G 6R8



(613) 741-4513


(613) 741-9986