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Spherical Bi-Convex Lenses
MATERIAL - FS(Fused Silica)
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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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10.34 |
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6.4 |
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2,0 |
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BCX8-01 |
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12,7 |
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19,0 |
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16.41 |
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4.6 |
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2,0 |
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BCX8-02 |
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12,7 |
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25,0 |
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21.88 |
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3.9 |
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2,0 |
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BCX8-03 |
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12,7 |
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50,0 |
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44.55 |
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2.9 |
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2,0 |
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BCX8-04 |
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25,4 |
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25,0 |
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20.69 |
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10.7 |
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2,0 |
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BCX8-05 |
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25,4 |
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50,0 |
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44.09 |
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5.7 |
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2,0 |
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BCX8-06 |
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25,4 |
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75,0 |
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66.80 |
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4.4 |
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2,0 |
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BCX8-07 |
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25,4 |
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100,0 |
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89.40 |
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3.8 |
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2,0 |
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BCX8-08 |
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25,4 |
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150,0 |
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134.50 |
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3,2 |
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2,0 |
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BCX8-09 |
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25,4 |
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200,0 |
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179.55 |
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2,9 |
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2,0 |
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BCX8-10 |
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25,4 |
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250,0 |
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224.58 |
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2,7 |
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2,0 |
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BCX8-11 |
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25,4 |
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500,0 |
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449.63 |
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2,4 |
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2,0 |
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BCX8-12 |
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38,1 |
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50,0 |
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43.07 |
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11.9 |
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3,0 |
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BCX8-13 |
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38,1 |
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75,0 |
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66.14 |
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8.6 |
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3,0 |
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BCX8-14 |
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38,1 |
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100,0 |
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88.88 |
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7.1 |
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3,0 |
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BCX8-15 |
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38,1 |
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125,0 |
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111.52 |
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6.3 |
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3,0 |
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BCX8-16 |
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38,1 |
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200,0 |
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179.22 |
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5.0 |
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3,0 |
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BCX8-17 |
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38,1 |
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375,0 |
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336.87 |
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4,1 |
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3,0 |
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BCX8-18 |
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38,1 |
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750,0 |
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674.45 |
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3,5 |
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3,0 |
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BCX8-19 |
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50,8 |
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50,0 |
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41.59 |
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20.3 |
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3,0 |
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BCX8-20 |
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50,8 |
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100,0 |
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88.35 |
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10.5 |
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3,0 |
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BCX8-21 |
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50,8 |
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150,0 |
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133.77 |
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7.9 |
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3,0 |
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BCX8-22 |
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50,8 |
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200,0 |
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178.97 |
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6,6 |
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3,0 |
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BCX8-23 |
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50,8 |
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250,0 |
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224.08 |
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5,9 |
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3,0 |
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BCX8-24 |
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50,8 |
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300,0 |
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269.16 |
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5.4 |
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3,0 |
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BCX8-25 |
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50,8 |
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400,0 |
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359.25 |
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4,8 |
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3,0 |
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BCX8-26 |
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50,8 |
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500,0 |
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449.31 |
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4,4 |
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3,0 |
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BCX8-27 |
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50,8 |
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750,0 |
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674.38 |
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4,0 |
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3,0 |
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BCX8-28 |
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50,8 |
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1000,0 |
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899.44 |
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3,7 |
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3,0 |
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BCX8-29 |
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76,2 |
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150,0 |
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132.76 |
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14.2 |
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3,0 |
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BCX8-30 |
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76,2 |
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200,0 |
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178.24 |
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11.2 |
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3,0 |
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BCX8-31 |
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76,2 |
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250,0 |
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223.51 |
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9.5 |
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3,0 |
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BCX8-32 |
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76,2 |
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300.0 |
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268.69 |
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8.4 |
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3,0 |
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BCX8-33 |
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76,2 |
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400.0 |
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358.90 |
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7.1 |
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3,0 |
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BCX8-34 |
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76,2 |
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500.0 |
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449.03 |
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6.2 |
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3,0 |
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BCX8-35 |
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76,2 |
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600.0 |
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539.12 |
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5.7 |
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3,0 |
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BCX8-36 |
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76,2 |
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800.0 |
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719.22 |
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5.0 |
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3,0 |
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BCX8-37 |
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76,2 |
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1000.0 |
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899.30 |
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4.6 |
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3,0 |
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BCX8-38 |
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76,2 |
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1500.0 |
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1349.37 |
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4.1 |
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3,0 |
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BCX8-39 |
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* Numerical parameters correspond to Lambda=1.06 µm (n=1.45).
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