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Novel ellipsometry based on the manipulation of vectorial optical field and digital image processing
Firstly, the main properties of photoelectric courses’ integrated design are analyzed, and the basic principles of selecting the proper topics to design some training projects are summarized. A well designed project should be comprehensive, feasible and cost effective, and the project can be separated into several parts with gradually increasing difficulty, which is good for implementing it step by step and inspiring the students’ potentials. Secondly, some teaching research and practice of integrated design experiments are implemented based on the photoelectric technology course offered in our university, and four integrated design projects are introduced, which are measuring the rotating speed, direction and stop position of a rotating wheel, designing a laser reconnaissance warning and jamming system, making an analog and digital communication system by utilizing a white light LED and making a photoelectric detection system for blood oxygen saturation. The experimental arrangement and implementing experience are also provided and investigated. Thirdly, some crucial problems discovered in our teaching practice, such as optimizing the design contents and demands of project, helping students’ to overcome various difficulties, making teachers become experienced, and evaluating the project design results efficiently and accurately, are also analyzed and discussed to improve and perfect the quality of integrated design experiments. In conclusion, the photoelectric integrated design experiments have been introduced to help undergraduates to master the theoretical knowledge and train their problem solving ability, and our teaching practice experiences have been summarized and provided based on the photoelectric technology course, which can be spread to other photoelectric courses.
Efficient phase locking of two dual-wavelength fiber amplifiers by an all-optical self-feedback loop
In this paper, three problems have been analyzed and discussed based on our organizing and instructing experience of SITP in recent years. Firstly, the SITP is a synthetically training project, and it is quite suitable to cultivate the students’ innovative practical ability. Because SITP is similar to the real scientific research activity, and both of them include the steps of project application, solution design, research implementation and project summary etc. By making great efforts to these basic training steps, the undergraduates’ innovative practical ability has been improved systemically. Secondly, a new talents cultivation system has been constructed based on SITP by integrating the subject competitions, graduation design and other conventional training activities, which is quite good to improve the training quality and decrease the total training class hours. Thirdly, a series of long-term effective operation and management guidelines have been established to ensure the SITP work normally, including doing a good job of project evaluation, setting up a reward and punishment system and creating a good atmosphere for innovation.
In conclusion, great efforts have been made to enhance undergraduates’ innovative ability, and the research results will provide useful reference for improving the training effects and reforming talents cultivating mode further.
Based on extensive and deep investigation, the phylogeny, the characters and the important processes of "Flipped Classroom" are studied. The differences between the "Flipped Classroom" and the traditional teaching model are demonstrated. Then "Flipped Classroom" was practiced in opto-electronic technology curriculum. In order to obtain high effectiveness, a lot of teaching resources were prepared, such as the high-quality teaching video, the animations and the virtual experiments, the questions that the students should finish before and discussed in the class, etc. At last, the teaching effect was evaluated through analyzing the result of the examination and the students' surveys.
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