Space and astronomy news
One of the first observational tests of general relativity was that the path of light bends in the presence of mass. Not only refracts the way light changes direction as it enters glass or other transparent materials, but bends along a curved bath. This effect is central to a range of physical phenomena, from black holes to gravitational lensing to observations of dark matter. But because the effect is so tiny on human scales, we can’t study it easily in the lab.
Fiber optics and other advanced optical materials ushered in the field of photonics, where we can now start to make photonic crystal materials with very specific properties, such as tuning them to be sensitive to specific wavelengths or focusing light more effectively. This new research focuses on a type of material known as distorted photonic crystals.Normally you wouldn’t want your crystal to have any distortions.
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