The National Institute of Standards and Technology (NIST) is conducting market research to identify vendors capable of supplying a Ca+ PI laser/423 nm Laser System. This is a sources sought notice for planning purposes only, not a solicitation for quotes or proposals. Responses must be submitted electronically to the Contract Specialist by the date and time specified in the notice. The applicable NAICS code is 334516, with a small business size standard of 1,000 employees. No budget information or performance location is specified in this notice.