22/10/2017
Day of Photonics - 2017
Light and its properties has been fascinating mankind for centuries. On the most fundamental level through photosynthesis, light is necessary to the existence of life itself, and the many applications of light have revolutionized society through medicine, communications, entertainment and culture. Light and photonics are poised to become key enabling technologies of the future. This article focuses on basic level understanding of what is light, its generation and why anyone should be interested in it.
What is Photonics?
So what is Photonics??? Photonics is the science and application of light. It is the technology of generation, modulation and detection of photons which are nothing but particles of light. Simply put, photonics is addressing and solving the challenges of a modern day world. It enhances our quality of life, safeguards our health, safety and security; and drives economic growth, job creation and global competitiveness.
Optics and photonics technologies enhance the quality of life in many areas. The main technology areas being: advanced manufacturing, communications, information technology, defence, national security, energy, health and medicine. The characteristics of the waves and photons can be used to explore the universe, cure diseases, and even to solve crimes. Scientists have been studying light for hundreds of years. The colours of the rainbow are only a small part of the entire light wave range, called the electromagnetic spectrum. Photonics explores a wider variety of wavelengths, from gamma rays to radio, including X-rays, UV and infrared light.
It was only in the 17th century that Sir Isaac Newton showed that white light is made of different colours of light. At the beginning of the 20th century, Max Planck and later Albert Einstein proposed that light was a wave as well as a particle, which was a very controversial theory at the time. How can light be two completely different things at the same time? Experimentation later confirmed this duality in the nature of light. The word Photonics appeared around 1960, when the laser was invented by Theodore Maiman.
Photonics is an interdisciplinary field in itself, comprising of Electronics, Optics, Opto-mechanics, Opto-Electronics and Quantum Electronics. Just as an electron is used in electronics based systems photon is used in photonics based system.
Applications of Photonics:
Photonics is a developing field and its application is ever increasing daily. From everyday life to advanced science its application ranges in the following fields, such as light detection, telecommunications, information processing, lighting, metrology, spectroscopy, holography, medicine (surgery, vision correction, endoscopy, health monitoring), military technology, laser material processing, visual art, bio photonics, agriculture, and robotics.
The overall economic impact of optics and photonics is two-fold:
o The direct impact stems from the fact that photonic and optics components and systems constitute economic markets in their own right, growing at rates that far surpass the average growth rate of any other areas of the economy.
o Much more important is the huge secondary impact, resulting from the use and applications of photonics and optics components, systems, tools and techniques in practically all other sectors of the economy.
Below are the areas identified by the report, in which photonics has already made and is expected to make an even larger impact in the future, along with examples of photonics applications in those respective fields. This list is a selective one rather than all inclusive, as there is virtually no field of human activity on which optics and photonics has not made an impact, and new applications are emerging at an amazing pace. At the same time, the boundaries between these fields are rather fluid and blurry, as more often than not the same photonic components, techniques and/or systems are used or adapted for use in many more than only one field. Therein lies the strength of the interdisciplinary nature of photonics, and the tremendous opportunities it opens.
o Information Technology and Telecommunications.
o Health Care and the Life Sciences – Bio photonics.
o Optical Sensing, Lighting, Energy and Displays.
o Optics in Manufacturing.
o National Security and Defence.
o Manufacturing of Optical Systems and Components.
o Education and Research.
Day of Photonics:
Day of Photonics celebration was started from 2014. Day of Photonics is celebrated on 21st October. On this day in 1983, the General Conference of Weights and Measures adopted the value of 299,792.458 km/s for the speed of light. Jampot Photonics has celebrated Day of Photonics from 2014 onwards. The first day of Photonics was celebrated in Pune University (SavitribaiPhule Pune University) at Department of Electronic Science. The year 2015 was the year of light as announced by United Nations, in this year JP has conducted many workshops to propagate Photonics awareness. On following year (2016) Day of Photonics was celebrated at MCCIA along with industry and academic interaction.
This year (2017) as Day of Photonics comes during Diwali celebrations which is a Festival of Lights and a holiday.Due to this Day of Photonics was preponed and was celebrated at MIT on 8th September 2017. This celebration was organized by MIT, Jampot Photonics and IEEE Communications Society Pune chapter.DAY OF PHOTONICS promotes “Photonics”. The celebration was hosted by MIT, as they have recently invested in Photonics Designing tool called PhoeniX. MIT is the second institute in India who has purchased a Photonics Development tool. This shows institution’s serious approach towards the Photonics technology.
For this celebration we had illuminating lectures from Mr. Sameer Gokhale (Director and Co-Founder Jampot Photonics), Prof. A. D. Shaligram(Head of Dept. of Electronic Science, SPPU and Registrar of SPPU), Prof. Bharat Chaudhary (Head of Electronics and Communication Engineering), Mr. G. N. Gadgil (Co-Founder Opel India, Pune).