Procure ten (10) UV laser beam splitters to be used to attenuate laser pulse energy on the 100J DCS Laser System. These UV beam splitters will be used on the UV laser beam at full energy so that fractions of the laser pulse energy (0% to 90%, 10% increment for transmission) can be repeatably obtained for experiments. MINIMUM REQUIREMENTS • Material: High quality UV glass, as we will be using the transmission of a UV Laser beam • Size of each beam splitter (L x W x T): 4.5”x4.5”x0.5”, tolerance +0.5mm/0mm • Surfaces Quality: S/D Minimum: 60/40 • Surfaces irregularity: Minimum λ/4 @ 633nm • Surface 1 (S1) coating: see below. • Surface 2 (S2) coating: Anti-Reflection (AR) @351nm • S1 and S2 parallelism: 5 arc seconds • Chamfer: Normal Safety Bevel • Clear Aperture (CA): 4”x4” • Angle of Incidence (AOI): 15 deg +/-5.0 deg • Wavelength 351nm • Pulse energy 100 J • Pulse duration: 5-15 ns • Repetition rate: 1shot/20min. • Polarization: S-pol • Damage threshold: >3 J/ cm2 • 10 pieces beam splitter S1 coating...