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Murukeshan Vadakke Matham

Dr. Murukeshan Vadakke Matham

Associate Professor
Nanyang Technological University, Singapore
School of Mechanical and Aerospace Engineering
Division of Manufacturing Engineering
Office: N3.2-02-75
Nanyang Technological University
Singapore  639798

tel: (+65)6790 4200
E-mail: mmurukeshan@ntu.edu.sg
Web: http://www3.ntu.edu.sg/home/MMurukeshan/index.html

Area of Expertise

Biomedical Fiber optics; Interferometric ( Conventional, Evanescent Wave and Plasmonic) Lithography and nanoscale feature patterning; Speckle Metrology and NDT; Laser assisted micro machining; Fiber optic Sensors


Dr. Murukeshan V Matham graduated from University of Calicut, India with Physics as his major. He obtained his MSc and MPhil degrees in Physics with specialization in Quantum Electronics from the Cochin University of Science and Technology (CUSAT), India. He pursued his doctoral degree at the Indian Institute of Technology, Madras and at the University of Oldenburg, Germany under the DAAD Fellowship award and was awarded Ph.D in 1997. Since 1997 he has been attached to the School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore where he is currently working as an Associate Professor. He has published over 180 international journal and conference proceedings papers, 3 Book chapters (2 on Biomedical Optics and one on nanoscale fabrication). He also holds 3 patents in the areas of Applied Optics, Laser speckle and Bio-Optics for Medical and Forensic applications. He is the Associate Editor of International Journal of Optomechatronics, Member Editorial Board of Journal of Holography and Speckle, and has guest edited international optics journal issues apart from being regular reviewer for many leading optics journals such as Optics Express,Optics Letters, Applied Optics, Journal of Biomedical Optics, Optics Communications, Optics & Lasers in Engineering, Optical Engineering, to name a few. He leads a research group on Biomedical Optics, Nanoscale optics, Laser based Micro and nanofabrication, and Applied Optics for metrology. He has given over 30 significant invited talks on the above mentioned topics.

Lecture Title(s)

Biomedical Fiber Optics: Recent developments in fiber optics technology have led to the development of many innovative optical configurations for imaging, spectroscopic and sensing methodologies. Also, it has become one of the most effective and emerging diagnostic means for noninvasive detection of cancers as well as and pre-cancerous lesions that originate in the epithelial lining of organs such as the colon. The progression of such cancerous growth in these tissues produces morphologic and biochemical changes in the epithelium and supporting stroma. This eventually alters the concentration and distribution of these endogenous fluorophores. Also, knowledge of the depth-dependent distribution of such endogenous fluorophores can have important diagnostic significance. A brief overview of fundamentals and latest research challenges of main biomedical optics concepts and instrumentation details will be presented. This will be followed by an in-depth analysis on the specialty fiber based fluorescent probes for high resolution multi-optical modality imaging and disease diagnosis applications.

Nanoscale Optics: Interferometric Lithography and Nanoscale feature patterning : Photonics technology and associated device manufacturing (targeting biomedical and semiconductor industries) in the recent past has seen the challenging trend to achieve smaller features or devices with micro or nano-features. This demands automatically the need for achieving the forecasted sub- 20nm fabrication methodologies to achieve the forecasted technology nodes. Hence the push for smaller dimension has posed many challenges. In this context, near- field optical concepts for improving patterning resolution has started developing and they have been receiving considerable attention for its ability to produce high density sub-wavelength features in the recent past. Several near-field optical lithographic techniques have been developed by collecting the evanescent waves at the near field. It is already reported that fabrication of high optical resolution features is possible while using near-UV or visible wavelength light sources. This lecture is designed to give the graduate students and researchers a complete analysis from fundamental to the latest research challenges in Nanoscale feature patterning using interferometric (conventional, evanescent wave and surface plasmon interference )concepts. The presentations will also be covering some of the potential applications, which can be offered by such nanoscale features in the latest thrust research areas of biomedical, semicon and energy.

Laser assisted Precision machining: Manufacturing is the transformation of materials into goods for the satisfaction of our needs. To design and develop a manufacture capability, one must choose from a number of processes that will alter the form and shape or the physical properties of the materials. Laser Machining is one such process that belongs to the material removing process (or machining) family. This lecture on Laser Machining will consider these and various other aspects of laser machining and its different precision manufacturing applications followed by case studies. A detailed account starting from fundamentals relevant to Continous wave (CW), Pulsed and ultra short pulsed ( Excimer and femtosecond )laser assisted maching will be covered with real-life examples.

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