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Gradient index lens using effective refractive index of microstructure arranged in radial pattern, and method for manufacturing same
Gradient index lens using effective refractive index of microstructure arranged in radial pattern, and method for manufacturing same
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机译:利用以放射状排列的显微组织的有效折射率的梯度折射率透镜及其制造方法
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摘要
Provided are a gradient index lens using the effective refractive index of a microstructure operating in the terahertz frequency regions and mid-infrared regions at wavelengths of 0.8 m to 3 mm and a method for manufacturing the same. Based on the effective medium theorem, the effective refractive index is controlled by using a structure smaller than the mid-infrared and terahertz wavelength, and a gradient can be provided for the refractive index in a radial direction and in an axial direction. Thus, beams in the mid-infrared and terahertz frequency region can be converged.
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