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By enlisting help from a robot to assemble precise structures, researchers have guided telecommunications-wavelength light around multiple hairpin turns in a three-dimensional photonic crystal.
The ability to dynamically image features deep within living organisms, permitting real-time analysis of cellular structure and function, is important for biological science. This Review article discusses multiphoton microscopy capable of such analysis, along with technologies that are pushing the limits of phenomena that can be quantitatively imaged.
It's challenging to measure non-repetitive events in real time in the field of instrumentation and measurement. Dispersive Fourier transformation is an emerging method that permits capture of rare events, such as optical rogue waves and rare cancer cells in blood. This Review article covers the principle of dispersive Fourier transformation and its implementation in diverse applications.
