Refractive Index definition

Refractive Index means the measure of the ability of a Corrective Ophthalmic Lens to bend light, which influences the center thickness of the lens.
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Examples of Refractive Index in a sentence

  • Settings on the OTDR should reflect the following: • The Refractive Index shall be set for the actual fiber utilized (commonly used Corning SMF-28 single mode fiber has a refractive index of 1.4677 at 1310 nm).

  • Colour, Lovibond, Y + 5R, ¼ “ Cell 40 to 60 Refractive Index at 40°C 1.4650 to 1.4710 Specific Gravity at 25/25°C 0.917 to 0.921 Saponification Value 189 to 195 Iodine Value (Wij’s method) 120 to 140 Free Fatty Acids (FFA), by weight 1.5% Max.

  • Colour, Lovibond, Y + 5R, ¼ “ Cell 10 to 15 Refractive Index at 40°C 1.4650 to 1.4710 Specific Gravity at 25/25°C 0.917 to 0.921 Saponification Value 189 to 195 Iodine Value (Wij’s method) 120 to 140 Free Fatty Acids (FFA) by weight 0.25% Max.

  • Gradation The gradation when tested in accordance with the method provided in A.S.T.M. D-1214 (by use of U.S. Standard Sieves) shall be: Size of Sieve % Passing (by Weight) 850 μm (No. 20) 100 600 μm (No. 30) 80-100 300 μm (No. 50) 18-35 180 μm (No. 80) 0-10 150 μm (No. 100) 0-2 Refractive Index When tested by a liquid immersion method at 25 degrees C (77 degrees F), the refractive index of the spheres shall be within the range of 1.50 to 1.60.

  • Appearance: Colorless to pale yellow liquid Odor: Woody Melting Point: < 0°C (<32°F) Boiling Point: 206°C (403°F) at 1,103 hPa (760 mm Hg) 124°C (255°F) at 12 mm Hg Molecular Weight: 204.36 Density: 0.807 g/mL Refractive Index: 1.48400 - 1.49400 @ 20.00 °C.

  • TEMAH - Hf(N(C2H5)(CH3))4 - liquid bubbled @ 70°C Non-metal precursors H2O thermal, O3 thermal, O2 plasma Temperature range 140°C - 290°C Growth rate per cycle 1.1 Å/cycle @ 290°C (plasma), 0.8 Å/cycle @ 290°C (thermal) Deposition rate 0.8nm/min @ 290°C Refractive Index 2.01 – 2.05 @ 290°C Uniformity ± 1.5% over 100, ± 2.5% over 150mm, ± 3.5% over 200mm (FlexAL™) Table 3.

  • Colour, Lovibond, Y + 5R, ¼ “ Cell 40 to 55 Refractive Index at 40°C 1.4650 to 1.4710 Specific Gravity at 25/25°C 0.917 to 0.921 Saponification Value 189 to 195 Iodine Value (Wij’s method) 120 to 140 Free Fatty Acids (FFA) by weight 1.5% Max.