A team of physicists has devised a method applied to develop light-driven gyroscope world's smallest - a fraction of the width of a human hair - that will enable a new generation of navigation systems based on compact phenomenally gyroscope, among other applications interesting.
"We found a new detection scheme that can lead to world's smallest gyro before," said Li Ge, a physicist at the City University of New York.
Over creative learning toys, gyroscopes are essential components in a number of technologies, including inertial guidance systems, which monitor the movement and orientation of an object.
Space probes, satellites and rockets continually rely on these flight control systems required.
Optical gyroscopes have no moving parts. Instead, light waves double race around a fiber or optical cavity, which runs constantly with each other as they travel in opposite directions.
After directly measure the color change of light waves, researchers found they could measure the light pattern produced at the output of the cavity.
"That was our key innovation - finding a new signal with a large improvement in sensitivity to rotation," Ge said in an article published in (OSA) new journal of the Optical Society Optics.
A pair of light waves - one zipping right the other to the left around a microscopic track - is the key.
According to researchers, more studies to consider the possibility that many light paths or modes, exist simultaneously in the cavity are required.
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