The Fleet Logistics Center Norfolk is seeking information on qualified and experienced sources for planning purposes to provide a Magneto-Optical Trap (MOT) beam-expanding collimators for the United States Naval Observatory. The required delivery date is six months or sooner from the award date. The contract is anticipated to be a single award, Firm Fixed Price (FFP) contract action under NAICS code 334519. The key requirements for the MOT collimators include: • Design for a ~0.085-0.090 numerical aperture 1 PM fiber with FC/APC connector • Output laser beam with a Gaussian intensity profile and a diameter of 23-25 mm • Clear aperture of the collimator must be at least 38.1 mm • Output laser beam must be well collimated, diffraction limited at 780 nm • Contained in a black anodized aluminum housing with an output flange for mounting • Total length from fiber output to the far end of the mounting flange must be 75 mm or less • All materials used in the collimator must be completely nonmagnetic • All optical surfaces that are exposed to air must be antireflection coated for 780 nm