https://avesis.metu.edu.tr/yayin/dcf7b6da-2d0f-490c-a6b4-b9b66dda318c/on-chip-optical-filters-with-designable-characteristics-based-on-an-interferometer-with-embedded-silicon-photonic-structures
On-chip optical filters with designable characteristics based on an interferometer with embedded...
optical filterschipdesignablecharacteristicsbased
https://pure.bit.edu.cn/zh/publications/3-d-printed-single-feed-45-polarized-waveguide-based-antenna-with/
3-D-Printed Single-Feed 45°-Polarized Waveguide-Based Antenna With Designable Concave Depth - 北京理工大学
printedsinglefeedpolarizedwaveguide