Third SPIE visiting lecture programme on 21 December 2014 On 21.12.2014, SPIE Student Chapter of Dept of Physics, VJIT, organised the 3rd Visiting lecture programme. The session began with Dr A Padmaja, Principal, VJIT who briefed the audience about the SPIE activities conducted for the past three years.She also spoke about the importance of research activities that can be carried out in the areas of photonics and optics and urged the students to participate in the National & International conferences and to interact with the experts. DR. Hiroshi Yoshikawa, Opto-Electronics Lab, Dept. of Computer Engineering, College of Science and Technology, Nihon University, Japan delivered a lecture on “Computer generated holography for 3D Display”. He has explained about the Holography which enables three-dimensional images (holograms) to be made. It involves the use of a laser, interference, diffraction, light intensity recording and suitable illumination of the recording. The image changes as the position and orientation of the viewing system changes in exactly the same way as if the object were still present, thus making the image appear three-dimensional. Highlighted about Computer Generated Holography (CGH) and showed some holograms of digitally generating interference patterns. A holographic image can be generated by digitally computing a holographic interference pattern and printing it onto a mask or film for subsequent illumination by suitable coherent light source. This program was sponsored by SPIE student chapter. Students felt that the lecture was highly informative and useful. Students expressed their gratitude for SPIE and VJIT for this rare opportunity of having interaction with a foreign university professor. The lecture motivated the students to take project work in the field of holography.
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