The key experiment of light field regulation and information perception of the Ministry of Industry and Information Technology was approved by the Ministry of Industry and Information Technology in March 2021. The laboratory is mainly oriented to the strategic goals and major engineering needs of science and technology in the field of national industry and information technology, explores the basic scientific problems of multi-parameter regulation of light field and multi-dimensional information perception measurement, cross-integrates materials, chemistry, life, energy and other fields, develops related lasers, optical fibers, liquid crystals and photonic chips and other components and their integrated systems, solves major key technologies and industrial common technical problems in information technology with light field as the carrier, and becomes China's multi-physics measurement technology under special environment (space-space sea core), It is an important scientific research and scientific and technological achievement transformation base for miniaturized integrated intelligent optical information processing technology for aerospace vehicles and wide-field label-free dynamic microscopy imaging technology for life sciences, as well as a training base for high-level innovative talents, and serves high-tech industries such as aerospace, information, new materials, and biomedicine.

Relying on the two first-level disciplines of optical engineering and physics of Northwestern Polytechnical University, the laboratory cross-integrates first-level disciplines such as materials science and engineering, biomedical engineering, and mathematics. The above disciplines belong to the key construction disciplines of the school's "211", "985" and "Double First-class" projects, of which materials science and engineering are selected as the national "Double First-class" construction disciplines, physics is one of the five ESI disciplines in Northwestern Polytechnical University, and optics is a key discipline of the Ministry of Industry and Information Technology.

The laboratory has 45 full-time teachers, including 17 senior teachers, 20 associate senior and 8 intermediate titles, including 4 national young talents, 1 special professor of the "Hundred Talents Program" of Shaanxi Province, 1 famous teacher of Shaanxi Province, 1 Jieqing of Shaanxi Province, 3 young science and technology rising stars of Shaanxi Province, 1 Marie Curie Scholar of the European Union, and 1 Humboldt scholar, forming a high-level academic team dominated by young and middle-aged academic leaders and outstanding young backbone teachers.

The laboratory has more than 3,000 square meters of working space, including optical ultra-clean room, optical sample chemical processing room, optical instrument and equipment development and assembly room, micro-nano photonic components processing and preparation room, micro-nano photonic components morphology and structure characterization room and other functional laboratories. The total value of the laboratory's fixed assets is nearly 30 million yuan, including more than 20 sets of different types of lasers, more than 30 sets of optical field multi-parameter detectors and analyzers, instruments and equipment for processing and preparing optical fibers, liquid crystals, micro-nano photonic components and special environmental test equipment. At the same time, it has also independently built more than 20 sets of experimental instruments and system platforms. In terms of light field regulation and information perception, it has formed domestic first-class experimental conditions, which can effectively ensure the high-quality development of scientific research and talent training in related directions.

The laboratory combines the advantages of multiple discipline teams in cutting-edge foundation, application development and technology promotion, complements each other, unites and collaborates, and the main research directions include:

1. Space-time light field regulation and application

Facing the needs of future information technology for multi-dimensional regulation of light fields, as well as the intersection with materials, energy, biomedicine, space technology and other fields, it is planned to carry out original research on the generation principle and regulation technology of new space-time light fields, break through the generation, regulation and key technologies such as miniaturization, integration and intelligence of new light fields and devices, and then explore the cutting-edge application of new space-time light fields. Including: the generation and regulation principle of space-time light field; Components and integration of space-time light field control; New applications of new spatiotemporal light field control.

2. Micro-nano photonic devices and integration technology

Micro-nano photonic devices can generate, regulate and perceive the light field at the micro-nano scale, so that the regulation and perception of parameters such as phase, polarization, and frequency are more accurate. At the same time, micro-nano photonic devices can be integrated on the same chip to form an ultra-compact, miniaturized and low-cost optical information processing system. Further combining the theory and technology of light field regulation and information perception is conducive to the development of highly sensitive multi-dimensional biochemical sensing chips and key optoelectronic chips for optical communication. In view of this research direction, it is proposed to focus on exploring the new mechanism of light-matter interaction in micro-nano photonic components, and further design, preparation and integration of devices for light field regulation and information perception. Including: the interaction mechanism and application of light and matter in micro-nano photonic structures; Light field control and integration devices in metal nanostructures; Light field regulation and photonic device integration on silicon-based photonic chips.

3. New light field imaging and measurement technology

With the help of advanced physical imaging models and mathematical theories, the new light field imaging technology with diffractive optics and computational optical technology as the core studies the detection, processing and reconstruction methods of high-dimensional light field information and the design and implementation methods of new computational optical imaging systems, which provide new methods and means for precision optical measurement and sensing, wide-field dynamic super-resolution microscopy imaging, ultra-high-speed far-field targets, ultra-large field of view and super-resolution imaging. Including: digital holography and digital interferometry technology, new light field information acquisition method and reconstruction technology, artificial intelligence adaptive optics technology, new computational optical imaging system design and new computational imaging algorithm.

4. Optical fiber devices and sensing technology

Focusing on major scientific and technological problems in extreme environments such as high temperature, high pressure, large strain, strong corrosion, strong electromagnetic interference, strong radiation, and extremely weak biological information perception, research work on the preparation technology of fiber grating with high temperature resistance and large strain, the design, packaging, testing and demodulation technology of fiber grating sensor under special environmental conditions, and the integrated optical fiber microstructure devices of low-dimensional nanomaterials are carried out. Including: preparation and characterization technology of high-performance fiber grating; Low-dimensional nanomaterials-optical fiber microstructure integrated devices and applications; Special optical fiber sensor and its demodulation technology and application.

Laboratory Director: Professor Gan Xuetao

Deputy Directors of the laboratory: Professor Zhang Fuli, Professor Mao Dong, Associate Professor Li Peng

Chief Scientist of the laboratory: Professor Zhao Jianlin