Challenges involved in Design, Development, and Testing of High Power Ka Band WR-51 RF Vacuum Window

This paper presents the design, realization, and testing of Ka-band (WR51), high power vacuum window (VW), which consists of brazed fused quartz substrate and optimized for the frequency band of 17.5-21.5 GHz. The challenges involved at the various stages during the development and testing are mentioned with all corrective measures to manage these challenges to make a better product available in the market. This Vacuum window will be used as an interface at the TVAC chamber for testing high-power passive components of communication payloads such as Diplexer, Omux, filter, OMT, PIMP filter, etc.