Precision Achromatic Doublet Lenses

The National Institute of Standards and Technology seeks quotations for three precision achromatic doublet lenses in custom configurations, with proposals due August 14, 2026. This procurement is a total small business set-aside simplified acquisition for commercial products conducted as a combined synopsis and request for quotation.

Place of performance and delivery is NIST Gaithersburg Campus, 100 Bureau Drive, Building 301, Gaithersburg, Maryland 20899. The procurement requires four units each of Doublet 1, Doublet 2, and Doublet 3, for twelve units total. Each doublet assembly comprises two cemented lens elements with precise radii, aperture diameters, edge diameters, and thicknesses specified in attached technical drawings dated December 15, 2025. All lenses must be new, unused equipment assembled with Norland Optical Adhesive 88 and optionally treated with Aeroglase Z306 or equivalent low-outgassing edge blackening material. Manufacturing must comply with MIL-G-174B and MIL-PRF-13830B standards, including pitch polish to specification, anti-reflective coating on both sides with reflectance less than 0.5% across 350–800 nm wavelengths, 60–40 scratch-dig surface finish, and surface roughness below 10 Angstrom RMS.

Delivery is F.O.B. Destination within 8–16 weeks after receipt of order. Payment is 100% upon installation, acceptance, and successful completion of testing and performance demonstrations; no partial shipments or invoices are accepted unless pre-approved. A minimum 90-day warranty covering defect-free materials, intact coatings, and intact glued joints applies from government acceptance. Quotations must be submitted in three volumes: Technical (demonstrating compliance), Price (including tariffs and country of origin), and Terms and Conditions (acceptance or exceptions). Pre-quote inquiries are due no later than two calendar days after solicitation issuance. The NAICS code is 334516, Analytical Laboratory Instrument Manufacturing. Offerors must maintain active SAM.gov registration at quotation submission and throughout performance and final payment.