The Air Force Research Laboratory (AFRL) at Wright-Patterson Air Force Base is seeking information from small businesses capable of supplying PIN Photodiode Detection Devices. This is a Sources Sought notice for market research only, not a solicitation for quotes or proposals. Interested small businesses must submit a capability response by 20 July 2026 at 12:00 PM Eastern Time. Responses should include company details, small business status, and relevant experience meeting the draft minimum requirements. Performance of services would be at Wright-Patterson Air Force Base, Ohio.