The National Institute of Standards and Technology (NIST) is issuing a combined sources sought notice and notice of intent to sole source for the procurement of two Dual Sensor Spectrometers with a spectral range of 300nm to 1050nm. The required specifications include a dual-sensor design, compact and weather-proof housing, and various communication interfaces, with preliminary market research indicating that Gigahertz-Optik, Inc. is currently the only vendor capable of fulfilling these requirements. This procurement is crucial for NIST's research needs, as the specialized scientific equipment will enhance their capabilities in laboratory settings. Interested parties are encouraged to submit their capabilities and relevant business information via email to Forest Crumpler at forest.crumpler@nist.gov, although this notice does not constitute a request for quotations and no contract awards will result directly from it.