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                  • 鍺平凸透鏡
                   
                  鍺平凸透鏡

                   

                  Germanium (Ge) Plano convex Lenses are made from Germanium material. They present a curvecd interface and a planar interface. They have a positive focal length, which makes it ideal for collecting and focusing light for many imaging applications. They are for instance the microlenses situated on top of a wafer, and also encountered in macroscopic optical systems.

                  Specifications:
                  Material:-----------------------------------------------------------Germanium
                  Diameter Tolerance:----------------------------------------------+0.0/-0.15mm
                  Focal Length Tolerance (mm):----------------------------------+/-2%
                  Centration:---------------------------------------------------------<3 arc minutes
                  Clear Aperture:---------------------------------------------------->85%
                  Surface Figure:-----------------------------------------------------<λ/4@633nm
                  Surface Quality:-----------------------------------------------------60/40
                  Protected Bevel:---------------------------------------------------<0.25mmx45deg
                  Coating:--------------------------------------------------------------uncoated

                  Part No.
                  F(mm)
                  f(mm)
                  R(mm)
                  Tc(mm)
                  Te(mm)
                  Fb(mm)
                  PCX6-101
                  12.7
                  25.0
                  10.66
                  3.9
                  1.8
                  22.27
                  PCX6102
                  12.7
                  50.0
                  21.31
                  2.8
                  1.8
                  48.0
                  PCX6-103
                  12.7
                  75.0
                  31.97
                  2.45
                  1.8
                  73.3
                  PCX6-201
                  25.4
                  50.0
                  21.31
                  6.0
                  1.8
                  45.8
                  PCX6-202
                  25.4
                  75.0
                  31.97
                  4.45
                  1.8
                  71.9
                  PCX6-203
                  25.4
                  100.0
                  42.63
                  3.75
                  1.8
                  97.4
                  PCX6-204
                  25.4
                  150.0
                  63.94
                  3.1
                  1.8
                  147.8
                  PCX6-205
                  25.4
                  200.0
                  85.25
                  3.0
                  2.0
                  197.9
                  PCX6-206
                  25.4
                  250.0
                  106.56
                  2.8
                  2.0
                  248.0
                  PCX6-207
                  25.4
                  300.0
                  127.88
                  2.65
                  2.0
                  298.1
                  PCX6-208
                  25.4
                  500.0
                  213.13
                  2.4
                  2.0
                  498.3
                  PCX6-209
                  25.4
                  1000.0
                  426.26
                  2.2
                  2.0
                  998.5

                   

                  Germanium Plano convex Lens


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