PhotoniX

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Continuous optical zoom microscope with extended depth of field and 3D reconstruction

Microscope such as fluorescence microscope, confocal microscope and two-photon microscope plays an important role in life science, laser processing and other fields. However, most microscopes only have discrete zoom rates. In this paper, a continuous optical zoom microscope with extended depth of field and 3D reconstruction is demonstrated for the first time. It consists of a zoom objective lens, a microscope holder, an adjustable three-dimensional object stage, an Abbe condenser and an LED light source. The zoom objective lens is composed of several liquid lenses and solid lenses. By adjusting the applied voltage to the liquid lens, the proposed microscope can achieve a large continuous magnification from 10? to 60?. Moreover, an improved shape from focus (SFF) algorithm and image fusion algorithm are designed for 3D reproduction. Based on the liquid lenses, the axial focusing position can be adjusted to obtain images with different depths, and then the extended depth of field and 3D reconstruction can be realized. Our experimental results demonstrate the feasibility of the proposed microscope. The proposed microscope is expected to be applied in the fields of pathological diagnosis, biological detection, etc.

Fiber laser development enabled by machine learning: review and prospect

In recent years, machine learning, especially various deep neural networks, as an emerging technique for data analysis and processing, has brought novel insights into the development of fiber lasers, in particular complex, dynamical, or disturbance-sensitive fiber laser systems. This paper highlights recent attractive research that adopted machine learning in the fiber laser field, including design and manipulation for on-demand laser output, prediction and control of nonlinear effects, reconstruction and evaluation of laser properties, as well as robust control for lasers and laser systems. We also comment on the challenges and potential future development.

Editor-in-Chief Min Gu "It is no doubt that photonics has become a key enabling technology platform for our sustainable life. It is at this exciting time that we welcome the arrival of the inaugural issue of the journal, PhotoniX, to our photonics community. We aim that the new journal not only truly showcases the enabling power of photonics, but also strives to develop this power into cultivating industries as well as improving the competitiveness, the scope and depth of science and technology in general..." 

Editor-in-Chief Min Qiu "This open-access journal focuses on photonic technology with cutting-edge, multidisciplinary and derivative characteristics, aiming to become a platform to promote the international frontier "Enabling Technology". It comes at a crucial moment when both academia and industry urgently need a platform to explore the true enabling power of photonics..." 

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He is Executive Chancellor and Distinguished Professor of University of Shanghai for Science and Technology. He was Distinguished Professor and Associate Deputy Vice-Chancellor at RMIT University and a Laureate Fellow of the Australian Research Council. He is an author of 4 standard reference books and has over 500 publications in nano/biophotonics. He is an elected fellow of the Australian Academy of Science and the Australian Academy of Technological Sciences and Engineering as well as foreign fellow of the Chinese Academy of Engineering. He is also an elected fellow of the AIP, the OSA, the SPIE, the InstP, and the IEEE. He was President of the International Society of Optics within Life Sciences, Vice President of the Board of the International Commission for Optics (ICO) (Chair of the ICO Prize Committee) and a Director of the Board of the Optical Society of America (Chair of the International Council). He was awarded the Einstein Professorship, the W. H. (Beattie) Steel Medal, the Ian Wark Medal, the Boas Medal and the Victoria Prize for Science and Innovation. He is a winner of the 2019 Dennis Gabor Award of SPIE.

He received the Ph.D. degree from Zhejiang University in 1999. He received his second Ph.D. degree and became an assistant professor at the Royal Institute of Technology (KTH), Stockholm, Sweden, in 2001. He became a full professor (Professor of Photonics) at KTH in 2009. Since 2010, he became a distinguished professor at Zhejiang University. He was the Director of State Key Laboratory of Modern Optical Instrumentation, Zhejiang University. He joined Westlake University as a Chair Professor of Photonics in April 2018. His research interests include nanofabrication technology, nanophotonics, and green photonics. He was elected a fellow of the Institute of Electrical and Electronics Engineers (IEEE) in 2015, a fellow of the Optical Society of America (OSA) and a fellow of the International Society for Optics and Photonics (SPIE) in 2013. He is leading a project on solar thermal energy utilization through the National Key Research and Development Program of China (No. 2017YFA0205700). He is currently an editor of Optics Communications (Elsevier), a topical editor of Light: Science and Applications (Springer Nature), and an associate editor of Science Bulletin (Science China Press).