Summary
The National Institute of Standards and Technology (NIST) is seeking information from sources capable of providing a dual optical frequency comb system that meets or exceeds nine minimum specifications, including 50 MHz repetition rate, center wavelength at 1550 nm with >30 nm bandwidth, and high SNR carrier offset frequency detection. If no alternate sources are identified, NIST intends to issue a sole source award to X3 Optics LLC under the authority of FAR 12.102(a). Respondents are asked to provide company details, capability information, and any concerns about restrictive requirements by the closing date of June 18, 2026.