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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Why CTT for Filters?
- Unmatched performance and precision.
- Ambient and cryogenic applications.
- Trusted by global leaders in science & industry.
- Bespoke consultancy service.
Latest News
Posted 30th September 2026
Posted 2 months ago
By Ken Wood
CTT technology on UK Television
With the announcement of PRIMA we anticipated a surge of public interest in what we do. It has started early. The TV cameras were with us this week................
Posted 29th September 2026
Posted 2 months ago
By Ken Wood
NASA Selects PRIMA
PRIMA, the next Far-Infrared space telescope has been selected by NASA. Over the next two years the global consortium will prepare its two instruments for the go-ahead to build and launch.
Posted 28th September 2026
Posted 2 months ago
By Ken Wood
CTT Sponsors IRMMWTHz2026
CTT is sponsoring the 51st conference in the series, taking place at Salt Lake City, Utah.
Posted 6th August 2026
Posted 3 months ago
By Ken Wood
Posted 8th December 2025
Posted 11 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.
