Photonis Defense part of Exosens and its predecessors have been designing and manufacturing Traveling Wave Tubes (TWTs) since their invention in the early 1940’s. Photonis manufactures helix-type tubes that are constructed using the industry standard metal-ceramic construction. Our tubes are conduction cooled and feature rare earth periodic permanent magnets for power-free focusing.
Photonis TWTs are typically used for electronic countermeasures, radar applications, airborne military platforms, rack mount amplifiers, communications, and SatCom. Photonis Defense offers Conventional Traveling Wave Tubes, Pulsed Traveling Wave Tubes, MM Wave Traveling Wave Tubes, and Miniature Traveling Wave Tubes.
Need some answers? Ask our experts!
Contact us



What's new in Microwave devices?
See all
Brisbane.
FROM Aug 03rd 2025 TO Aug 08th 2025
IGARSS 2025
The theme of IGARSS 2025 is One Earth. IGARSS 2025 will address the threats to our Earth and promote collaborative global solutions using remote sensing technology.

New York.
FROM Jul 22nd 2025 TO Jul 24th 2025
TELOPS - AASC
The AASC is committed to advancing the development and delivery of science-based climate services on a local and state level.