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產(chǎn)品展示

C 透鏡

They are specifically designed for fiber optics applications. They are mostly useful for collimators, isolators, switches, collimator array and WDM. Compare to other gradient index lens, they have several advantages including low cost, low insertion loss in long working distance and wide working distance range. We can also provide custom designed C-lens per customer's requirement with our experienced optical design engineers.

Specifications

Item                        
 Specifications
Material: 
Glass like material
Diameter φ: 
1.0+0.005/-0.01mm;1.8+0.005/-0.01mm
Angle α:
 8°
Length tolerance:
±0.04mm
Surface figure(per 25.4mm):
 λ/10@ 632.8nm
Surface quality:
MIL40-20
Clear aperture:
90%
AR coating:
R<0.2%@λc±40nm;λc=1310;1550…
Thermal expansion coefficient:
<6×10^-6/℃
Operating Temperature:
≤400℃