The U.S. Government intends to negotiate a sole source contract with Toptica Photonics in Farmington, NY, for specific laser components and services, including a 493 nm field replaceable unit and 650 nm diode assemblies, essential for ongoing experiments involving singly ionized barium transitions. The government believes Toptica is the only manufacturer capable of meeting the technical requirements without costly development or performance risks. All responsible sources may submit a capability statement or proposal for consideration, with responses evaluated to determine if competition would be advantageous. The anticipated award date is on or before 31 July 2026. No budget amount is specified, and the location for performance is Farmington, NY.