NASA/NSSC intends to issue a sole source contract to TEM MESSTECHNIK GMBH for a Tunable Laser for Phase Shifting Interferometry, as they are determined to be the sole provider. Performance of the services will be located at NASA’s Marshall Space Flight Center (MSFC). The government is acquiring commercial items under FAR Part 12, with the NAICS Code 334516. Interested organizations may submit their capabilities and qualifications in writing by 3:00 p.m. Central Standard Time on 7/13/2026 for consideration of a competitive procurement. No budget amount is specified in the description.