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Spherical Bi-Convex Lenses
MATERIAL - CaF2 (Calcium Fluoride)
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Crystaltechno LTD makes spherical bi-convex lenses from different types of optical crystals and glasses.
Spherical bi-convex lenses are widely used as short-focusing transfer optics and output optics.
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PARAMETER |
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VALUE |
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Surface figure |
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Lambda/2 at 633 nm per inch |
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Scratch-Dig |
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60 - 40 |
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Diameter tolerance |
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± 0.1 mm |
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Paraxial Focal Length Tolerance |
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± 2% |
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Centration |
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less than 5 arc minutes |
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Clear aperture |
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90 % |
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Bevels |
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(0.2-0.3) mm x 45° |
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D, mm |
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FL, mm |
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R1=R2, mm |
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tc, mm |
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te, mm |
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Part Number |
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12,7 |
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12,7 |
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8.99 |
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7.3 |
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2,0 |
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BCX1-01 |
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12,7 |
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19,0 |
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14.50 |
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4.9 |
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2,0 |
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BCX1-02 |
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12,7 |
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25,0 |
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19.39 |
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4.1 |
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2,0 |
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BCX1-03 |
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12,7 |
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50,0 |
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39.56 |
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3.0 |
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2,0 |
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BCX1-04 |
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25,4 |
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25,0 |
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18.02 |
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12.5 |
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2,0 |
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BCX1-05 |
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25,4 |
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50,0 |
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39.09 |
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6.2 |
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2,0 |
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BCX1-06 |
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25,4 |
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75,0 |
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59.31 |
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4.8 |
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2,0 |
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BCX1-07 |
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25,4 |
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100,0 |
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79.42 |
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4.0 |
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2,0 |
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BCX1-08 |
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25,4 |
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150,0 |
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119.52 |
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3.4 |
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2,0 |
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BCX1-09 |
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25,4 |
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200,0 |
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159.57 |
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3.0 |
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2,0 |
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BCX1-10 |
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25,4 |
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250,0 |
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199.60 |
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2.8 |
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2,0 |
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BCX1-11 |
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25,4 |
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500,0 |
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399.66 |
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2,4 |
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2,0 |
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BCX1-12 |
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38,1 |
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50,0 |
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38.01 |
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13.2 |
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3,0 |
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BCX1-13 |
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38,1 |
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75,0 |
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58.63 |
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9.4 |
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3,0 |
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BCX1-14 |
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38,1 |
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100,0 |
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78.89 |
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7.7 |
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3,0 |
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BCX1-15 |
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38,1 |
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125,0 |
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99.03 |
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6.7 |
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3,0 |
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BCX1-16 |
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38,1 |
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200,0 |
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159.24 |
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5.3 |
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3,0 |
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BCX1-17 |
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38,1 |
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375,0 |
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299.40 |
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4.2 |
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3,0 |
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BCX1-18 |
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38,1 |
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750,0 |
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599.48 |
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3.6 |
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3,0 |
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BCX1-19 |
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50,8 |
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50,0 |
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36.25 |
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23.8 |
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3,0 |
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BCX1-20 |
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50,8 |
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100,0 |
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78.33 |
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11.5 |
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3,0 |
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BCX1-21 |
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50,8 |
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150,0 |
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118.77 |
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8.5 |
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3,0 |
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BCX1-22 |
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50,8 |
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200,0 |
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158.98 |
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7.1 |
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3,0 |
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BCX1-23 |
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50,8 |
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250,0 |
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199.10 |
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6.3 |
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3,0 |
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BCX1-24 |
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50,8 |
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300,0 |
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239.18 |
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5.7 |
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3,0 |
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BCX1-25 |
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50,8 |
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400,0 |
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319.28 |
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5.0 |
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3,0 |
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BCX1-26 |
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50,8 |
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500,0 |
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399.34 |
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4.6 |
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3,0 |
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BCX1-27 |
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50,8 |
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750,0 |
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599.42 |
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4.1 |
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3,0 |
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BCX1-28 |
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50,8 |
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1000,0 |
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799.60 |
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3.8 |
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3,0 |
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BCX1-29 |
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76,2 |
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150,0 |
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117.72 |
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15.7 |
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3,0 |
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BCX1-30 |
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76,2 |
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200,0 |
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158.22 |
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12.3 |
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3,0 |
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BCX1-31 |
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76,2 |
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250.0 |
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198.51 |
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10.4 |
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3,0 |
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BCX1-32 |
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76,2 |
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300.0 |
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238.69 |
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9.1 |
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3,0 |
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BCX1-33 |
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76,2 |
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400.0 |
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318.92 |
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7.6 |
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3,0 |
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BCX1-34 |
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76,2 |
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500.0 |
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399.05 |
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6.6 |
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3,0 |
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BCX1-35 |
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76,2 |
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600.0 |
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479.14 |
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6.0 |
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3,0 |
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BCX1-36 |
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76,2 |
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800.0 |
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639.25 |
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5.3 |
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3,0 |
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BCX1-37 |
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76,2 |
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1000.0 |
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799.70 |
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4.8 |
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3,0 |
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BCX1-38 |
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76,2 |
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1500.0 |
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1199.00 |
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4.2 |
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3,0 |
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BCX1-39 |
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* Numerical parameters correspond to Lambda=5 µm (n=1.4)
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