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