OptoSplit II Application Note

Now available to read here!


Introducing our latest image splitter

MultiSplit – Four-way emission image splitter


Technical Papers & Articles


FuraLED Light Source

340nm / 380nm ratiometric LED illuminator for Fura-2


Light-sheet solutions

Minimal photodamage or bleaching


Fluorescence Microscopy – DESIGN TO INTEGRATION.

Cairn Research is a European scientific instruments manufacturer based in Kent, UK.


Fluorescence Illumination

With over 30 years of experience in building light sources for the life sciences we offer a range of solutions for fluorescence, transmitted light and OptoGenetics.

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OptoSplit II

Fluorescence Detection

With an emphasis on optical performance, stability, usability, and flexibility Cairn are proud to offer a broad range of multichannel emission and detection products.

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Integrated Imaging Systems

Complimentary to our wide range of in-house microscopy and macroscopy products we also have an experienced team of scientists offering turnkey systems and solutions.

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Custom Microscopy Design

We have a dedicated design and R&D team with an onsite engineering machine workshop and offsite contracted engineers available with over 20 years of experience.

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Working in partnership with

Proud to Supply


Gataca Systems iLas

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Nikon Eclipse Ti2

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DaVinci 2K NDR CMOS Camera


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X-Light V2Tp Confocal Imager

X-Light V2Tp Confocal Imager

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Latest News

TwinCam drift correction

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TwinCam used as part of microscope drift correction system TwinCam used as part of microscope drift correction system – one channel for fluorescence and second to detect the lateral drift by using image correlation analysis.  The detected drift values were…

We are hiring!

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Scientific Software and Hardware Developer Description Cairn Research Ltd are recruiting for a scientific software developer with experience in electronic engineering. A large part of the position will initially involve the completion and maintenance of STRÏMM (Synchronised Trace Recording In…

At Last, the REAL Story About the Origins of Cairn!

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At Last, the REAL Story About the Origins of Cairn! In these blogs I’ve tried to tell, in a piecemeal kind of way, the story of how Cairn came into being, and in particular how our beginnings have allowed us…

If it’s September it must be Plymouth…

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If it’s September it must be Plymouth… September finds Martin and Andrew at Plymouth once again, teaching at what is now the thirty-sixth Cell Physiology workshop.  It turns out that Andrew saved the day by insisting on bringing a Photometrics…