CTT is the global leader in terahertz (THz) frequency selective optical components. We offer an extensive catalogue of devices and a custom design service. With a 50-year heritage of research and development, our optical components deliver unmatched performance and precision to support and stimulate the broad advance of terahertz technology. 

CTT was created to commercialise unique technology resulting from more than five decades of pioneering work. The activity was initiated by Professor Peter Ade at Queen Mary College, London (now QMUL) and continued in the 21st century at Cardiff University.

In the 1970s Peter invented and then meticulously refined a multi-layer metal mesh solution to frequency selection which makes possible unparalleled control of band definition and very high attenuation of out-of-band radiation over a broad range of frequencies.

This therefore became an enabling technology for astronomical receivers starting with cryogenic instruments on UKIRT and JCMT in the 1970s. Our CEO, Professor Carole Tucker has worked closely with Peter and has managed filter production since the 1990s. 

Our technology also underpins the recent proliferation of activity in the terahertz region of the electro-magnetic spectrum and will play an important role in the development of sources, receivers, short range communications, plasma diagnostics, climate monitoring and security screening.

So far thousands of precision-engineered devices have been constructed, helping to shape the evolution of terahertz technology worldwide.

The design, manufacture and test phases of this technology are assembled under a commercial umbrella for the first time through Celtic Terahertz Technology Ltd. We are building a dedicated facility at our Cardiff home to generate greater production capacity along with improved performance, quality and reliability in the finished product.

Celtic Terahertz Technology

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