基于空间可变导模共振滤波器的空间和光谱光束整形
Spatial and spectral beam shaping with space-variant guided mode resonance filters.
作者信息
Srinivasan Pradeep, Poutous Menelaos K, Roth Zachary A, Yilmaz Yigit O, Rumpf Raymond C, Johnson Eric G
机构信息
College of Optics and Photonics/CREOL, University of Central Florida, 4000 Central Fla Blvd, Orlando, FL 32816, USA.
出版信息
Opt Express. 2009 Oct 26;17(22):20365-75. doi: 10.1364/OE.17.020365.
Novel all-dielectric beam shaping elements were developed based on guided mode resonance (GMR) filters. This was achieved by spatially varying the duty cycle of a hexagonal-cell GMR filter, to locally detune from the resonant condition, which resulted in modified wavelength dependent reflection and transmission profiles, across the device aperture. This paper presents the design, fabrication, and characterization of the device and compares simulations to experimental results.
基于导模共振（GMR）滤波器开发了新型全介质光束整形元件。这是通过在空间上改变六边形单元GMR滤波器的占空比来实现的，使其局部偏离共振条件，从而在整个器件孔径上产生与波长相关的反射和透射分布的改变。本文介绍了该器件的设计、制造和表征，并将模拟结果与实验结果进行了比较。
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