CTT is the global leader in terahertz (THz) frequency selective optical components. We offer an extensive catalogue of devices and a custom design service.
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- Unmatched performance and precision.
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Latest News
Posted 8th December 2025
Posted 8 months ago
By Ken Wood
CTT wins prestigious IOP business award
Celtic Terahertz Technology Ltd. recently acquired a Business Start-up award from the Institute Of Physics.
Posted 12th May 2025
Posted 1 year ago
By CTT
CTT founder honoured for outstanding work on revolutionary astronomical instruments and facilities
Announcement from the Institute of Physics: "A Cardiff University physicist has been awarded the 2024 Institute of Physics (IOP) James Joule Medal and Prize."
Posted 11th May 2025
Posted 1 year ago
By CTT
Celebrating 50 years of scientific exchange: IRMMW-THz 2026 heads to Salt Lake City.
The 2025, and 50th conference in the series, took place 17–22 August in Espoo, Finland. We look forward to the 51st in Salt Lake City.
