We propose the transverse-mode control of vertical-cavity surface-emitting lasers (VCSELs) with a convex mirror. A possibility of improvements on single-mode output power and higher-order mode suppression is presented...We propose the transverse-mode control of vertical-cavity surface-emitting lasers (VCSELs) with a convex mirror. A possibility of improvements on single-mode output power and higher-order mode suppression is presented by optimizing a convex mirror.展开更多
We simulate some laser output patterns observed in our previous experiment employing superposition of Laguerre- Gaussian modes. The rotating pattern is qualitatively analysed from the point of contemporary spatial bur...We simulate some laser output patterns observed in our previous experiment employing superposition of Laguerre- Gaussian modes. The rotating pattern is qualitatively analysed from the point of contemporary spatial burning hole effect of the lasing crystal.展开更多
Optical vortices carrying orbital angular momentum and spiral wavefront phases have garnered increasing research interest owing to their numerous applications.Here,we present a simple yet effective approach to generat...Optical vortices carrying orbital angular momentum and spiral wavefront phases have garnered increasing research interest owing to their numerous applications.Here,we present a simple yet effective approach to generate powerful optical vortices directly from a thin-disk laser oscillator.The demonstrated source delivered Laguerre-Gaussian beams with an output power of up to 101 W.To the best of our knowledge,this is the highest output power of all optical vortex laser oscillators.The high-power vortex output will have significant implications for laser ablation and micromachining at high throughput and for large-area applications.Additionally,it serves as a new platform for the further development of more complex high-power optical-vortex beams.展开更多
文摘We propose the transverse-mode control of vertical-cavity surface-emitting lasers (VCSELs) with a convex mirror. A possibility of improvements on single-mode output power and higher-order mode suppression is presented by optimizing a convex mirror.
基金Supported by the National Natural Science Foundation of China under Grant Nos 10534020 and 60478009.
文摘We simulate some laser output patterns observed in our previous experiment employing superposition of Laguerre- Gaussian modes. The rotating pattern is qualitatively analysed from the point of contemporary spatial burning hole effect of the lasing crystal.
基金supported by the National Natural Science Foundation of China(Nos.62075068 and 62335009)the National Key Research and Development Program of China(2022YFC2203902 and 2022YFC2203904)+1 种基金the International Science and Technology Cooperation Program of Hubei Province(No.2021EHB004)the Natural Science Foundation of Hubei Province(2022CFB099).
文摘Optical vortices carrying orbital angular momentum and spiral wavefront phases have garnered increasing research interest owing to their numerous applications.Here,we present a simple yet effective approach to generate powerful optical vortices directly from a thin-disk laser oscillator.The demonstrated source delivered Laguerre-Gaussian beams with an output power of up to 101 W.To the best of our knowledge,this is the highest output power of all optical vortex laser oscillators.The high-power vortex output will have significant implications for laser ablation and micromachining at high throughput and for large-area applications.Additionally,it serves as a new platform for the further development of more complex high-power optical-vortex beams.
