The National Institute of Standards and Technology (NIST) is seeking information from potential sources capable of providing a Laser Spectrum Analyzer, with the intention of issuing a Sole Source Award to Toptica Photonics Inc if no alternate sources are identified. The required analyzer must meet specific technical specifications, including a measurement capability of 1000 Hz, a wavelength range from 192 nm to 1180 nm, and various accuracy and performance metrics essential for calibration services for detectors and spectroradiometers. Interested parties are encouraged to respond with detailed information about their capabilities and products by contacting Junee Johnson at junee.johnson@nist.gov, with responses preferred before the closing date of June 20, 2025. This notice serves as a market research tool and does not constitute a commitment to issue a solicitation or award a contract.