Recently, the results of the Ninth National Undergraduate Physics Experiment Competition (Innovation) sponsored by the Joint Conference of National Experimental Teaching Demonstration Centers in Higher Education, the National Research Association for Experimental Physics Teaching in Higher Education, the Physics Teaching Committee of the Chinese Physical Society, and hosted by Chongqing University were announced. In this competition, a team of undergraduates from the School of Physical Science and Technology of Xiamen University, which was assisted by CSIC, stood out among the many participating teams and won the first prize.
Award Details
Winning Team: Undergraduate Team from School of Physical Science and Technology, Xiamen University
Track: Proposition Category
Award: First Prize
Title: Diffraction and Interference of Vortex Light through Complex Holes
Students: Yuanze Zhang, Shengxiang Liu, Kaifeng Weng, Jinyang Lu
Instructor: Wuhong Zhang, Lixiang Chen
Introduction of Award-winning Works
As a real-time programmable digital optical core device, the spatial light modulator has many application possibilities in the National University Physics Experiment Competition; it can be used as a real-time programmable diffractive element for single-slit, double-slit, grating, triangular, pentagonal, hexagonal, etc.; it can be used as a programmable filter for low-pass, high-pass, and slit filters; it can be used as an alternative to a mask plate; it can be used to perform projection; it can generate vortex light It can produce vortex light, Bessel light, Airy beam; it can replace the rotating hair glass to produce pseudo-thermal light field; it can simulate atmospheric turbulence; it can also be a Holographic element; research and experiments based on the spatial light modulator will be of great benefit to the exercise of the students’ self-development capabilities and pioneering thinking.
Xi’an CAS Microstar Optoelectronic Technology Co., Ltd. as a company focusing on science and technology, has been committed to promoting scientific and technological innovation and talent cultivation, this time for the team to participate in the competition free of charge to provide one of our company’s spatial light modulator (FSLM-2K39-P) experimental equipment, in order to make good results in the competition to provide a strong guarantee for them. The technical parameters of the spatial light modulator (FSLM-2K39-P) are as follows:
| Model Number | FSLM-2K39-P | Modulation Type | Phase Type |
| LCOS type | Reflection | Grayscale Level | 8 bit, 256 step |
| Resolution | 1920×1080 | Image Size | 4.5μm |
| Effective area | 0.39″ 8.64mm×4.86mm | Modulation depth | 2.1π@532nm |
| Fill factor | 91.3% | Optical Utilization | 75%@532nm |
| Gamma calibration | Not Support | Phase calibration | Not Support |
| Power input | 5V 2A | Response time | ≤16.7ms |
| Refresh frequency | 60 Hz | Spectral range | 420nm-650nm |
| Damage Threshold | 20W/cm² | Data Interface | Mini DP |
Product Features
King of the domestic and foreign reflective pure phase product market price/performance ratio; Synchronized trigger function, excellent reflective wavefront characteristics; High utilization, high fill factor, low phase jitter, high diffraction efficiency; Measured phase modulation capability, good phase linearity; Can be customized according to the user’s needs.
Application areas
Wavefront correction (can be used for adaptive optics); beam shaping (generation of vortex light, flat-top light shaping, ring beam); beam control (beam deflection, plane beam splitting, curved surface beam splitting, depth-of-focus extension); beam collimation, aberration correction, programmable phase mask; computational holography; and so on.
Xi’an CAS Microstar Optoelectronic Technology Co., Ltd. has always been actively concerned about and supported all kinds of scientific and technological competitions, and we provide free experimental equipment to the participating teams in this competition, which is aimed at improving the experimental ability of university students in physics, cultivating the spirit of innovation and teamwork, and promoting the reform of physics experimental teaching and the development of experimental technology, as well as promoting the development of experimental technology. We also hope that this opportunity will stimulate more young people’s interest and enthusiasm in optical experimentation and cultivate more scientific and technological talents for the country.
