About WhatIsCL.info
Advancing cathodoluminescence (CL) microscopy.
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Our purpose
At the micro- and nano-scale, materials reveal their most intricate stories. WhatIsCL.info empowers researchers and microscopists to unlock these insights—faster, more reliably, and with confidence. By uniting technique guidance, spectral data, and community expertise, we help you push the boundaries of what’s possible in cathodoluminescence (CL) microscopy.
Elevate your CL experience
Applications
Explore the use of CL microscopy across geoscience, materials science, semiconductors, nanophotonics, ceramics, and organic molecules.
How-To Guides
Step-by-step instructions for optimizing CL experiments, including sample preparation, microscope setup, technique selection, and alignment.
Learning Resources
Deepen your expertise with curated lessons, webinars, and application notes from specialists in CL microscopy.
Join the CL community
Explore the technique, follow the how-tos, and share your experience. Connect with application experts, participate in events, and access a glossary and FAQ to support your research. Together, we can make CL work even harder for scientific discovery.
There’s always more to discover
WhatIsCL.info is powered by Gatan—global leaders in electron microscopy. For over 60 years, Gatan has partnered with scientists and engineers to pioneer solutions that turn complex challenges into new insights. Their portfolio includes state-of-the-art detectors, imaging systems, and software to help you see more, analyze deeper, and advance research with confidence.
