Publication: m-Learning and holography: compatible techniques?
Full text at PDC
Advisors (or tutors)
Society of Photo-optical Instrumentation Engineers
Since the last decades, cell phones have become increasingly popular and are nowadays ubiquitous. New generations of cell phones are now equipped with text messaging, internet, and camera features. They are now making their way into the classroom. This is creating a new teaching and learning technique, the so called m-Learning (or mobile-Learning). Because of the many benefits that cell phones offer, teachers could easily use them as a teaching and learning tool. However, an additional work from the teachers for introducing their students into the m-Learning in the classroom needs to be defined and developed. As an example, optical techniques, based upon interference and diffraction phenomena, such as holography, appear to be convenient topics for m-Learning. They can be approached with simple examples and experiments within the cell phones performances and classroom accessibility. We will present some results carried out at the Faculty of Physical Sciences in UCM to obtain very simple holographic recordings via cell phones. The activities were carried out inside the course on Optical Coherence and Laser, offered to students in the fourth course of the Grade in Physical Sciences. Some open conclusions and proposals will be presented.
© 2014 SPIE, OSA, IEEE, ICO. The author would like to express sincere thanks to Aitor V. Velasco, Alejandro Cámara and Elena Alonso-Redondo for very valuable help. Moreover, to all undergraduate students of the 4th Course of the Physics Grade, Faculty of Physical Sciences, Complutense University of Madrid. Partial financial support from the Spanish Ministry of Economy under Grant TEC2011-23629 is also acknowledged.
 Bhatti, N., Baker H., Marguier, J., Berclaz J. and Süsstrunk,, S., “Cell phones as imaging sensors”, Proc. SPIE 7708, 1-19 (2010).  Ben Lakhdar, Z., Dhaouadi, Z., Ghalila, H., Lahmar, L. and Majdi, Y., “Using mobile camera for a better exploitation and understanding of interference and diffraction experiments”, Proc. SPIE, Proceedings of the 2009 ETOP Conference (2009).  Rodrigo, J. A., Alieva, T., Cámara, A., Martínez-Matos, O., Cheben, P. and Calvo, M. L., “Characterization of holographically generated beams via phase retrieval based on Wigner distribution projections,” Opt. Express 19(7), 6064-6077 (2011).  Hernández-Garay, M. P., Martínez-Matos, O., Izquierdo, J.G., Calvo, M. L., Vaveliuk, P., Cheben, P. and Bañares, L., "Femtosecond spectral pulse shaping with holographic gratings recorded in photopolymerizable glasses," Opt. Express 19, 1516-1527 (2011).  Velasco, A. V., Calvo M. L. and Cheben, P., “Photopolymerizable organically modified holographic glass with enhanced thickness for spectral filters,” J. Appl. Phys. 113(3), 033101-1-5 (2013).  Gabor, D., “A New Microscopic Principle”, Nature 161(4098), 777-778 (1948).  Gabor D., 1971 Nobel Laurate Lecture, http://www.nobelprize.org/nobel_prizes/physics/laureates/1971/gaborlecture.pdf (June 2013).  Solymar, L. and Cooke, D.J., [Volume Holography and Volume Gratings], Academic Press, London & New York, 17-19 (1981).  Goodman, J. W., [Introduction to Fourier Optics], McGraw-Hill, New York, 2nd edition, 66-67 (1996). Ghatak, A., [Optics], Tata McGrawHill, New Delhi, 5th edition, 20.6-20.7 (2012). Paredes Barato, D. and Calvo, M.L., “On the Thompson-Wolf experiment. A study with laser sources”, JEOS Rapid Publications, special issue 50th Anniversary of the Laser 5, 10051s-7 (2010).  Alieva, T., Cámara, A., Rodrigo, J.A., Martínez-Matos, O. and Calvo, M.L., “Nuevas prácticas en óptica avanzada” [New experiments in advanced optics] A Project for the Innovation and Improvement of Teaching Quality, Complutense University of Madrid, ISBN 978-84-96703-36-0 (2011) [in Spanish].  <http://en.wikipedia.org/wiki/Laser_pointer#Hazards> (13 June 2013).  Cámara, A., “Advanced Practical Experiments in Optics” [in Spanish] http://pendientedemigracion.ucm.es/info/giboucm/index.php?option=com_content&view=article&id=36&Itemid=48 (13 June 2013)