The National Institute of Standards and Technology (NIST) is conducting market research through a Sources Sought notice to identify vendors capable of supplying 759 nm Butterfly-packaged Lasers and Laser Amplifiers. This is not a request for quotes or proposals, and no solicitation is currently available; the government will not pay for any information received. Responses are sought from all responsible sources, including large and small businesses, with a focus on determining small business set-aside opportunities under NAICS code 334516 (1,000-employee size standard). Interested firms must submit a capability statement limited to four pages, including the manufacturing country, product specifications, and typical lead time. No budget amounts, performance location, or submission deadlines are specified in this notice.