Lithium Fluoride (LiF) Single Crystal Substrates (5pack)

  LINEAR FORMULA: LiF PURITY: >99.99% CRYSTAL ORIENTATION:  (100), (110) & (111) GROWTH METHOD: Modified Bridgeman technique CRYSTAL STRUCTURE: cubic LATTICE CONSTANT: a = 0.4026 MELTING POINT  (°C): 870 THERMAL EXPANSION COEFFICIENT (/K): 37 (10-6K-1) HARDNESS: 4 MOLAR MASS (G/MOL): 25.94 g/mol DENSITY (G/CM3): 2.64 g/cm3  REFRACTIVE INDEX: 1.37327 @2.5 µm; 1.624 @0.121 µm DIELECTRIC CONSTANTS: 9,0 CHEMICAL STABILITY:  SIZES: 5x5mm & 10x10 mm TYPICAL THICKNESS: 0.5mm SIZE TOLERANCES:  +/- 0.1mm THICKNESS TOLERANCES:  +/- 0.015mm ORIENTATION PRECISION: +/-0.5 degree POLISHING OPTIONS: SINGLE SIDED (1SP) OR BOTH SIDES POLISHED (2SP) ROUGHNESS RA: <1nm