An international research team of scientists from Nanyang Technological University, Singapore (NTU Singapore), Yale University and Imperial College London has designed a new way to build high-powered lasers that could result in stable beams, overcoming a long-standing limitation in conventional lasers.
In high-powered lasers, which are used in materials processing, large-scale displays, laser surgery and LiDar (a form of radar that uses lasers), laser instabilities often occur that limit their usage. This instability poses no problems for simple applications such as laser pointers, but becomes a serious issue for lasers operating at high power.
The scientists have developed a unique D-shaped laser that is able to regulate the light emission patterns and eliminate such laser instabilities to potentially reduce the degree of fluctuations in the laser output.
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