The Department of Commerce, specifically the National Institute of Standards and Technology (NIST), is seeking responses for a Sources Sought notice regarding the procurement of a Widely Tunable IR Laser. This laser is essential for the Photonics and Optomechanics Group's research on photonic MEMS sensors, requiring a device with a mode-hop free range of at least 100 nm and specific technical specifications for precision measurement applications. Interested vendors must provide detailed information about their capabilities, including company details, experience, and any potential barriers to participation, with responses due by 5:00 p.m. Eastern Time on April 9, 2025. For inquiries, contact Cielo Ibarra at cielo.ibarra@nist.gov.