This is a sources sought notice for market research to identify potential suppliers of a highly specialized mid-infrared laser system for the NIST CHIPS Metrology Program. The laser must meet stringent technical specifications for tunable wavelength, pulse length, linewidth, and repetition rate to enhance nanoscale thermal property measurements. The performance location is the National Institute of Standards and Technology (NIST). The notice requests detailed capability statements from companies, including product specifications, origin of manufacture, and available support services. No budget or specific project timelines are provided.