NIST is seeking market information for a fixed-frequency femtosecond laser system intended to enable second harmonic generation (SHG) microscopy within an existing Raman microscope at its Quantum Measurement Division. The system must include a high-power ultrafast fiber laser and an integrated acousto-optical modulator, meeting specific minimum technical requirements such as a 1053 nm center wavelength, sub-100 fs pulse duration, 80 MHz repetition rate, and air-cooled operation without external cooling. The research supports NIST's quantum materials metrology efforts and the CHIPS Act initiative, particularly the assessment of 2D and wide-bandgap semiconductor materials. Respondents are asked to provide company details, feedback on the draft requirements, commercial pricing, product specifications, and information on existing government contract vehicles. This is a sources sought notice for information and planning purposes only, not a solicitation.