This solicitation closed on August 19, 2026
View current Department of Defense opportunities →High Precision Specialized Waveguides for Extreme Temperatures
AI Overview
The Navy seeks specialized waveguides designed to transmit RF signals reliably across X, Ku, K, and Ka frequency bands while withstanding extreme hypersonic temperatures exceeding 1,000°C. These high-precision components must maintain signal integrity and power transmission where traditional RF cables fail under severe thermal conditions.
This summary is AI-generated from the official solicitation.
Key Details
Official Description
The use of RF cables has difficulty meeting environmental conditions while maintaining signal integrity and power requirements. Hypersonic surface temperatures can exceed over 1,000-degree C. Waveguides provide high power transmission and might be easier to manage under extreme hypersonic conditions.
The Navy seeks RF transmission that focuses on high frequency, is consistent performance across a vast range of extreme thermal temperatures, and provides long durations of high thermal loads. The...
Change History
High Precision Specialized Waveguides for Extreme Temperatures
Status changed from Open to Closed after topic disappearance
High Precision Specialized Waveguides for Extreme Temperatures
Q3 received a new answer: The government will not clarify whether "waveguide" refers to RF transmission components or the RF aperture/surface structure during the solicitation period.
High Precision Specialized Waveguides for Extreme Temperatures
Added answers to 3 of 4 Q&As: PIM is a major concern requiring mitigation; size/weight preference exists but wavelength/materials will dominate; cross-pole transmission desired, no connector preference for Phase I; rapid development methods valued but secondary to primary goals. Q3 remains unanswered.
High Precision Specialized Waveguides for Extreme Temperatures
Added new Q1 on PIM (Passive Intermodulation) concerns and Nickel-based material avoidance. Previous Q1-Q3 renumbered to Q2-Q4. No answers provided yet for any questions.
High Precision Specialized Waveguides for Extreme Temperatures
Added new Q1 with three sub-questions on size/weight targets, preferred RF interfaces (rectangular waveguide or 2.92 mm coax), and specific environmental requirements (thermal, vibration, shock). Original Q1 and Q2 renumbered to Q2 and Q3.
High Precision Specialized Waveguides for Extreme Temperatures
Status changed from Pre-Release to Open
High Precision Specialized Waveguides for Extreme Temperatures
Added Q1 clarifying waveguide definition: RF transmission component behind antenna vs. RF aperture/waveguide structure at vehicle surface. Original Q1 (material selection/manufacturing trade studies) moved to Q2.
High Precision Specialized Waveguides for Extreme Temperatures
This Q&A clarifies that applicants can propose solutions beyond just proving fabrication works—they should consider including methods to streamline material selection, manufacturing trade studies, and qualification planning by upfront identification of evidence gaps and technical risks, expanding the scope of acceptable Phase I approaches.
High Precision Specialized Waveguides for Extreme Temperatures
New opportunity: High Precision Specialized Waveguides for Extreme Temperatures
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