The National Institute of Standards and Technology (NIST) is conducting market research to identify vendors capable of supplying UV Frequency Doublers, with a focus on determining if a small business set-aside is possible. This is a sources sought notice, not a solicitation, and no contract will be awarded from this announcement. Responses must be submitted electronically to the contract specialist by the date and time specified in the notice. The product must be manufactured in the U.S., and respondents should indicate the country of manufacture. No budget information or performance location is specified.