Twisted light: self-torque could be used to manipulate molecules. (Courtesy: iStock/VikaSuh) Physicists in Spain and the US have shown that the orbital angular momentum, or twistedness, of light can ...
The glass-like plate at the centre of the photograph is the angular filter. A beam of white light is incident from the right at Brewster's angle and is transmitted through the filter. The red beam of ...
Figure 1: Illustration of the rotational Doppler effect in the linear and nonlinear optical regime. Compared with the rapid development and applications of the rotational Doppler effect in linear ...
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