Azimuthal Walsh Filters

Dr. Indrani Bhattacharya is a Post-doctoral researcher associated with Prof. Ayan Banerjee of Light Matter Interaction Lab, Indian Institute of Science Education and Research, IISER, Kolkata and Prof. Vasudevan Lakshminarayanan of School of Optometry, University of Waterloo, Canada. She obtained her Ph.D. from the Department of Applied Optics and Photonics, University of Calcutta. Dr. Bhattacharya is having 20 years industry and 9 years of academic experience. Her research areas include Diffractive Optics, Biomimetics, Optical Tweezers, Point Spread Function Engineering, In-Vivo and In-Vitro Biomedical Applications, Optical Fibre Sensors. She is a member of Optical Society of India, International Society of Optics and Photonics, International Society of Optomechatronics. Prof. Lakshminarayan Hazra has over four decades of academic and industrial experience. He is an Emeritus Professor and Former Head of the Department of Applied Optics and Photonics at the University of Calcutta, Kolkata, India. His areas of professional specialization include lens design/optical system design, image formation & aberration theory, diffractive optics, and optical and photonic instrumentation. He is a Fellow of the Optical Society of America, and the International Society for Optics and Photonics (SPIE). He is the Editor-in-Chief of the archival journal, Journal of Optics, (Springer) in collaboration with the Optical Society of India.​

Walsh Functions, Walsh Filters and Self-Similarity.- Transverse Intensity Distribution on the Far-field Plane of azimuthal Walsh Filters.- Self-Similarity in transverse intensity distributions on the Far-Field plane of Self-Similar azimuthal Walsh filters.- Transverse Intensity Distribution in the Far-field region of azimuthal Walsh Filters.- Self-similarity in transverse intensity distributions in the far-field region of self-similar azimuthal Walsh filters.- Future Prospects.