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SLAC National Accelerator Laboratory has a requirement for the following item(s) listed below. Brand name is equal to Sigray, Inc. (1) Webb_Small_Spot, QTY. 1 Achromatic Ellipsoidal X-ray Mirror Lens ... SLAC National Accelerator Laboratory has a requirement for the following item(s) listed below. Brand name is equal to Sigray, Inc. (1) Webb_Small_Spot, QTY. 1 Achromatic Ellipsoidal X-ray Mirror Lens with the parameters listed below with guaranteed point spread function better than <1 micrometers (FWHM), 30nm Pt coating of reflecting surface, all parameters with +- <3% tolerance: Source demagnification factor 710 Source to sample distance (METER) 19.174 (also equal to 2X of the ellipsoid semi-major axis (a)) Ellipsoid semi-minor axis (b) (mm) 2.5 Mirror length (mm) 30 Working distance (between the end of the optic to focus) (mm) 17.0 Entrance aperture (ID:mm) .494 Exit aperture (ID:mm) .297 Fractional loss of due to exit aperture 0.36 Beam X-section reflected by lens (mm^2) .122 Grazing angle at mirror upstream end (mrad) 2.63 Grazing angle at 2/3 mirror length from upstream end) (mrad) 3.47 Grazing angle at mirror downstream end (mrad) 4.38 (2) Webb_High_Flux, QTY. 1 Achromatic Ellipsoidal X-ray Mirror Lens with the parameters listed below with guaranteed point spread function better than 5 micrometers (FWHM), 30nm Pt coating of reflecting surface, all parameters with +- <3% tolerance: Source demagnification factor 310 Source to sample distance (METER) 19.174 (also equal to 2X of the ellipsoid semi-major axis (a)) Ellipsoid semi-minor axis (b) (mm) 3.7 Mirror length (mm) 70 Working distance (between the end of the optic to focus) (mm) 38.3 Entrance aperture (ID:mm) 1.11 Exit aperture (ID:mm) .661 Fractional loss of due to exit aperture 0.35 Beam X-section reflected by lens (mm^2) 0.62 Grazing angle at mirror upstream end (mrad) 2.57 Grazing angle at 2/3 mirror length from upstream end) (mrad) 3.40 Grazing angle at mirror downstream end (mrad) 4.32 (3) Tip Tilt Stage, QTY. 1 Rigidly mounted central beam stop to the mirror lens (4) Optic Holder / Beam stops, QTY. 1 Procurement is for product only no on-site services of any kind permitted. Source selection will be based on Lowest method. Buy American Act Certification applies - please complete and return. Representations & Certifications Rider is required for this purchase - please complete and return. All subcontractors are required to register in the System for Award Management (www.sam.gov). The resulting purchase order will be issued on a fixed price basis. SLAC National Accelerator Laboratory Terms and Conditions for Fixed Price Commercial Supplies and Services (Rev. December 2016) will be made a part of the resulting order. Payment Terms will be NET-30. Freight terms will be FOB Destination Prepaid and Add You are requested to mark and identify proprietary/confidential information provided in response to the solicitation.