基于扫描近场光学显微镜的纳米光场多参数测量仪器系统

纳米光场多参数测量仪器是推动等离激元光学和纳米光子学研究的关键实验技术设备。本申请基于近场光学原理和方法，研究纳米光场多参数测量的新原理、新方法和新技术，建立测量仪器系统。研究包括：探针与光场相互作用的理论分析；多参量照明与探测平台，具有入射角度、偏振态、波长等多参数可调系统；针尖外差干涉、非对称光学天线探针、偏振敏感探针、针尖偏振矢量检测；纳米光场强度、振幅、相位、偏振、光场矢量、电磁场、光谱等探测；建立多功能测量仪器系统。这项研究将现有的近场光学显微系统的测量功能从单纯的超分辨成像扩展到纳米光场多参数测量，从强度分布探测扩展到相位分布探测，从2D光场探测扩展到3D光场探测，从光场标量探测扩展到光场矢量测量。本课题的研究具有基础性、前瞻性、实用性，既有对基础科学问题的探索，又有测量仪器的研发，这个仪器系统将成为纳米光子学研究的重要实验测量设备，具有广阔的应用前景。

Multi-parameter measuring instrument of nano-optical field is the key technological equipment to promote the plasmonics and nanophotonics research. This application intends to study the new principles, new methods and new technologies for the multi-parameter measurement in nano-optical fields and to build the measuring systems based on the near-field optical principles and methods. It includes the theoretical research on the interaction between the probe and the optical field, the establishment of the multi-parameter illumination and detection platform with adjustable incident angle, polarization, wavelength of illumination, tip heterodyne interferometer, asymmetric optical antenna probes, polarization-sensitive probe, tip polarization vector detection, detection of intensity, amplitude, phase, polarization, field vector, electromagnetic fields, spectra in nano-optical fields, and establish of a multi-function measuring system. The research will extend the function of existing near-field optical microscopy system from simple super-resolution imaging to nano-optical field multi-parameter measurement, from the intensity distribution detection to the phase distribution detection, from the 2D detection to the 3D detection, from the field scalar measurements to the field vector measurements. The research is of basis, provident and practicality. It includes basic science issues and development of measuring instrumentation. The instrument system will become an important equipment in the field of nanophotonics and plasmonics with wide application prospects.