发明申请
US20090060417A1 Optical Fiber Fundamental Mode Field Expander 有权
光纤基本型场扩展器

Optical Fiber Fundamental Mode Field Expander
摘要:
A device for providing an expanded mode field from a single mode optical waveguide is formed by fusing a length of single mode optical fiber with a length of fiber rod absent a cladding and adiabatically tapering the fused region. The length of single mode fiber has a core having a refractive index nco and a cladding having a refractive index ncl, wherein ncl
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