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Photonics is a science in which the generation, propagation and control of photons is studied. Here, most applications are in the range of visible and near infrared light. Photonics combines the physics of light, including optics and lasers, and covers the interaction between light and matter, which is an important area in modern atomic and molecular physics. Included are: the emission, transmission, amplification, manipulation, detection and utilization of light. Photonics, with its term coined from the “electronics” (the science of electrons), is slightly more oriented to applications and technology, with the emphasis to the wave/particle duality of photons. |
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Fig. 002-01. Light microscope image of photonic crystal structures in dichromated pullulan (photo by siteEditor). |
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Fig. 002-02. Operating the femtosecond laser with frequency-doubled output (photo by Bob). |
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As a technology, photonics is rapidly growing research and development area – one of key technologies important for the 21st century, also called “the photon century”. In the industry, photonics secures the leadership in fields like manufacturing, communication, information transmission, health care, lighting, security, environmental monitoring, metrology... |
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A. G. Kovačević & B. M. Jelenković
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