The Lawrence Berkeley National Laboratory's Advanced Light Source (ALS) is a Department of Energy-funded synchrotron facility that provides users from around the world access to the brightest beams of soft x-rays, together with hard x-rays and infrared, for scientific research and technology development in a wide range of disciplines. Visit https://als.lbl.gov/ for details.

The optics for ALS beamline 4.0.3 (MERLIN) are being updated.  This solicitation is for fabrication of six grating substrates (four flat and two tangential cylinder).