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Spherical Bi-Convex Lenses
MATERIAL - BK7 Optical Glass
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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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11,83 |
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5,7 |
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2,0 |
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BCX9-01 |
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12,7 |
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19,0 |
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18,56 |
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4,2 |
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2,0 |
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BCX9-02 |
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12,7 |
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25,0 |
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24,70 |
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3,7 |
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2,0 |
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BCX9-03 |
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12,7 |
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50,0 |
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50,19 |
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2,8 |
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2,0 |
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BCX9-04 |
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25,4 |
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25,0 |
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16,61 |
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13,8 |
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2,0 |
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BCX9-05 |
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25,4 |
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50,0 |
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23,64 |
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9,4 |
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2,0 |
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BCX9-06 |
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25,4 |
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75,0 |
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49,76 |
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5,3 |
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2,0 |
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BCX9-07 |
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25,4 |
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100,0 |
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100,73 |
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3,6 |
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2,0 |
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BCX9-08 |
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25,4 |
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150,0 |
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151,49 |
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3,1 |
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2,0 |
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BCX9-09 |
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25,4 |
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200,0 |
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202,20 |
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2,8 |
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2,0 |
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BCX9-10 |
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25,4 |
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250,0 |
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252,90 |
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2,6 |
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2,0 |
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BCX9-11 |
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25,4 |
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500,0 |
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506,30 |
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2,3 |
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2,0 |
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BCX9-12 |
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38,1 |
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50,0 |
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48,79 |
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10,7 |
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3,0 |
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BCX9-13 |
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38,1 |
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75,0 |
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74,64 |
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7,9 |
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3,0 |
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BCX9-14 |
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38,1 |
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100,0 |
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100,21 |
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6,7 |
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3,0 |
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BCX9-15 |
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38,1 |
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125,0 |
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125,67 |
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5,9 |
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3,0 |
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BCX9-16 |
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38,1 |
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200,0 |
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201,87 |
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4,8 |
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3,0 |
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BCX9-17 |
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38,1 |
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375,0 |
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379,35 |
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4,0 |
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3,0 |
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BCX9-18 |
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38,1 |
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750,0 |
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759,45 |
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3,5 |
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3,0 |
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BCX9-19 |
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50,8 |
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50,0 |
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47,49 |
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17,7 |
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3,0 |
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BCX9-20 |
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50,8 |
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100,0 |
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99,70 |
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9,6 |
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3,0 |
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BCX9-21 |
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50,8 |
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150,0 |
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150,77 |
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7,3 |
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3,0 |
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BCX9-22 |
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50,8 |
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200,0 |
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201,63 |
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6,2 |
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3,0 |
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BCX9-23 |
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50,8 |
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250,0 |
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252,41 |
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5,6 |
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2,0 |
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BCX9-24 |
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50,8 |
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300,0 |
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303,15 |
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5,1 |
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3,0 |
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BCX9-25 |
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50,8 |
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400,0 |
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404,58 |
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4,6 |
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3,0 |
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BCX9-26 |
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50,8 |
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500,0 |
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505,97 |
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4,3 |
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3,0 |
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BCX9-27 |
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50,8 |
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750,0 |
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759,39 |
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3,8 |
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3,0 |
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BCX9-28 |
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50,8 |
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1000,0 |
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1012,77 |
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3,6 |
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3,0 |
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BCX9-29 |
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76,2 |
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150,0 |
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149,82 |
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12,9 |
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3,0 |
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BCX9-30 |
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76,2 |
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200,0 |
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200,93 |
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10,3 |
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3,0 |
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BCX9-31 |
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76,2 |
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250,0 |
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251,86 |
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8,8 |
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3,0 |
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BCX9-32 |
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76,2 |
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300,0 |
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302,69 |
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7,8 |
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3,0 |
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BCX9-33 |
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76,2 |
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400,0 |
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404,24 |
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6,6 |
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3,0 |
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BCX9-34 |
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76,2 |
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500,0 |
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505,70 |
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5,9 |
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3,0 |
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BCX9-35 |
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76,2 |
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600,0 |
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607,12 |
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5,4 |
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3,0 |
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BCX9-36 |
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76,2 |
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800,0 |
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809,90 |
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4,8 |
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3,0 |
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BCX9-37 |
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76,2 |
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1000,0 |
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1012,63 |
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4,4 |
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3,0 |
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BCX9-38 |
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76,2 |
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1500,0 |
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1519,40 |
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4,0 |
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3,0 |
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BCX9-39 |
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* Numerical parameters correspond to Lambda=1.06 µm (n=1.50669)
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