SLAC National Accelerator Laboratory is operated by Stanford University for the Department of Energy. As a management and operating contractor, subcontracts awarded by the Laboratory are not Federal procurements, and are not directly subject to the Federal Acquisition Regulations in 48 CFR. Nonetheless, certain Federal laws, Executive Orders, and regulations may affect our DOE approved purchasing system, as required by statute, regulation, or contract terms and conditions.

SLAC has a requirement for a U.S. domestic end item source of the following:

TXI Monochromator Silicon Channel-Cut Crystals – 2 pcs;1 pair

Technical evaluation criteria are as follows:

1. Silicon Material:
   1. Float Zone
   2. Zero defects
   3. > 1000 Ohm resistivity
   4. Verified strain free
2. Diffracting Surface Orientation:
   1. Si (111)
   2. < 0.05 deg miscut
3. Dimensional Tolerances per:
   1. Drawing DSG-000051716
   2. Drawing DSG-000051718
4. Diffracting Surface Roughness:
   1. <1 nm (5-1000nm wavelength)
5. Diffracting Surface Flatness:
   1. < 15 um

The award will be made based upon the Lowest Price Technically Acceptable method (LPTA).

Marking of Proprietary/Confidential Information. Offerors shall properly mark and identify with a restrictive legend or information markings on pages of the proposal that contain Proprietary/confidential information.

For Offeror to be eligible for a subcontract award with the University and the U.S. Department of Energy (DOE), Offeror shall be registered with the System for Award Management (SAM). Entities may register at no cost directly at the SAM website: https://www.sam.gov.

The resulting purchase order shall be performed in accordance with SLAC National Accelerator Laboratory's Terms and Conditions for Fixed Price Commercial Supplies and Services dated November 2022.

NOTE: The following documents are attached in this solicitation.

1. Buy American Act Certificate
2. Terms & Conditions for Fixed Price Commercial Supplies and Services, November 2022
3. Drawings

Please provide quoted price, delivery, technical compliance statement and certification to the attention of Marissa Tanomrat.

Payment Terms: Net 30 days

Freight terms: FOB Destination Prepaid and Add