Laser optics Optical mirrors

Left: Birefringence image of a flat lens and intensity patterns of 488nm laser beam with different handedness circular polarisations focused and defocused by the same lens. Right: The same lens corrects short -5 D and long +5 D sightedness.

Flattening the curve

Researchers have developed a new technique for producing flat optics with ultra-low loss and high damage threshold

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