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Broadband continuous supersymmetric transformation:a new paradigm for transformation optics

eLight 2022年第1期2卷 203-212页

作者： jieun yim Nitish Chandra Xilin Feng Zihe Gao Shuang Wu Tianwei Wu Haoqi Zhao Natalia M.Litchinitser Liang Feng Department of Materials Science and Engineering University of PennsylvaniaPhiladelphiaPA 19104USA Department of Electrical and Computer Engineering Duke UniversityDurhamNC 27708USA Department of Electrical and Systems Engineering University of PennsylvaniaPhiladelphiaPA 19104USA.

Transformation optics has formulated a versatile framework to mold the flow of light and tailor its spatial characteristics at *** its huge success in bringing scientific fiction(such as invisibility cloaking)into reality,the coordinate transformation often yields extreme material parameters unfeasible even with ***,we demonstrate a new transformation paradigm based upon the invariance of the eigenspectra of the Hamiltonian of a physical system,enabled by *** creating a gradient-index metamaterial to control the local index variation in a family of isospectral optical potentials,we demonstrate broadband continuous supersymmetric transformation in optics,on a silicon chip,to simultaneously transform the transverse spatial characteristics of multiple optical states for arbitrary steering and switching of light *** a novel synergy of symmetry physics and metamaterials,our work provides an adaptable strategy to conveniently tame the flow of light with full exploitation of its spatial degree of freedom.

关键词： Supersymmetry Transformation optics Metamaterials Integrated photonics

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Breast cancer metastasizing to the stomach mimicking primary gastric cancer: A case report

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World Journal of Gastroenterology 2017年第12期23卷 2251-2257页

作者： Kwangil yim Sang Mi Ro jieun Lee Department of Hospital Pathology Seoul St.Mary’s HospitalCollege of MedicineThe Catholic University of Korea Division of Medical Oncology Department of Internal MedicineSeoul St.Mary’s HospitalCollege of MedicineThe Catholic University of Korea Cancer Research Institute the Catholic University of Korea

Breast cancer with stomach metastasis rare with an incidence of 1% or less among metastatic breast cancer patients. We experienced a case of breast cancer metastasizing to the stomach in 65-year-old female patient. She experienced dyspepsia and poor oral intake before visiting the clinic. Diffuse infiltration with nodular mucosal thickening of the stomach wall was observed, suggesting advanced gastric cancer based on gross endoscopic finding. Spread of poorly cohesive tumor cells in the gastric mucosa observed upon hematoxylin and eosin stain resembled signet ring cell carcinoma, but diffuse positive staining for GATA3 in immunohistochemical stain allowed for a conclusive diagnosis of breast cancer metastasizing to the stomach. Based on the final diagnosis, systemic chemotherapy was administered instead of primary surgical resection. After 2 cycles of docetaxel administration, she showed a partial response based on abdominal computed tomography scan. This case is an unusual presentation of breast cancer metastasizing to the gastrointestinal tract.

关键词： Gastric cancer Breast cancer Metastasis Immunohistochemical stain GATA3 GCDFP-15

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