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G 透鏡

They are similar to C-LENS except that methods of fabricating are different. They are used to focus and collimate light sources.  It is widely used in both active and passive fiber-optics components, MEMS, attenuators, fiber-to-optical coupling systems and imaging system.

Specifications

Item                        
 Specifications
Material: 
Glass like material
Diameter φ:
1.0+0.005/-0.01mm;1.8+0.005/-0.01mm
Angle α:
8°±0.5°
Pitch:
 0.23;0.25
Length tolerance:
±0.02mm
Surface quality:
MIL40-20
Clear aperture:
90%
AR coating:
R<0.2%@λc±40nm;λc=1310;1550…
Thermal expansion coefficient:
<10×10^-6/℃
Operating Temperature:
≤350℃