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Spherical Plano-Convex Lenses
CaF2 BaF2 MgF2 LiF Al2O3 FS
BK-7 KBr Si Ge ZnS ZnSe
   
  Material   Germanium 
  Surface figure   Lambda/2 at 633 nm per inch
  Scratch-Dig   60 - 40
  Diameter   tolerance   ± 0.1 mm
  Paraxial
  Focal Length
  Tolerance 		  ± 2%
  Centration   less than 5 arc minutes
  Clear aperture   > 80%
  Bevels   (0.2+0.3)mm x 45°
   
D, mm FLx, mm R, mm tc, mm te, mm Part Number
12.7 12.7 38.10 2.5 2.0 PCX14-01
12.7 19.0 57.15 2.4 2.0 PCX14-02
12.7 25.0 75.00 2.3 2.0 PCX14-03
19.05 19.0 57.15 2.8 2.0 PCX14-04
19.05 25.0 75.00 2.6 2.0 PCX14-05
19.05 50.0 150.00 2.3 2.0 PCX14-06
19.05 75.0 225.00 2.2 2.0 PCX14-07
25.4 25.0 75.00 3.1 2.0 PCX14-08
25.4 50.0 150.00 2.5 2.0 PCX14-09
25.4 75.0 225.00 2.4 2.0 PCX14-10
25.4 100.0 300.00 2.3 2.0 PCX14-11
38.1 50.0 150.00 4.2 3.0 PCX14-12
38.1 75.0 225.00 3.8 3.0 PCX14-13
38.1 100.0 300.00 3.6 3.0 PCX14-14
38.1 150.0 450.00 3.4 3.0 PCX14-15
50.8 50.0 150.00 5.2 3.0 PCX14-16
50.8 100.0 300.00 4.1 3.0 PCX14-17
50.8 150.0 450.00 3.7 3.0 PCX14-18
50.8 200.0 600.00 3.5 3.0 PCX14-19
50.8 250.0 750.00 3.4 3.0 PCX14-20

* Numerical parameters correspond to Lambda=10.6µm (n=4)
 
     
 

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