<div style="text-align:justify;"> A new planar waveguide laser was demonstrated. The output energy of 400 mW was achieved by a single waveguide laser;the slope efficiency was 61%. The single waveguide ...<div style="text-align:justify;"> A new planar waveguide laser was demonstrated. The output energy of 400 mW was achieved by a single waveguide laser;the slope efficiency was 61%. The single waveguide laser can expand to waveguide laser group and waveguide laser array to produce higher energy. </div>展开更多
Laser wireless power transmission(LWPT)technology is an innovative approach for long-distance energy transfer via laser beams,demonstrating significant application potential in space solar power stations,lunar researc...Laser wireless power transmission(LWPT)technology is an innovative approach for long-distance energy transfer via laser beams,demonstrating significant application potential in space solar power stations,lunar research base energy supply,and deep-space probe power systems.However,current domestic research remains at the ground-testing stage,lacking actual space-environment verification,while facing multiple challenges in complex space environment adaptability and optoelectronic device reliability.This paper addresses these issues by conducting preliminary design work on an intra-cabin LWPT system.Through establishing a 3D design model,we focus on mechanical resistance simulation analysis to evaluate structural stability under various load conditions.The results indicate that the proposed system exhibits excellent mechanical performance and feasibility,providing critical references for subsequent space-environment experimental validation.展开更多
In order to address the future power generation needs for scientific exploration of the lunar permanently shadowed regions,this paper proposes a laser wireless power transfer(LWPT)system from a power source at the ill...In order to address the future power generation needs for scientific exploration of the lunar permanently shadowed regions,this paper proposes a laser wireless power transfer(LWPT)system from a power source at the illuminated rim of the crater to a photovoltaic laser receiver on a rover exploring inside the permanently shadowed region.To fill a gap between the conceptual design and an operational system,the required conditions were analyzed regarding the effects of beam alignment and shaping,wavelength-dependent conversion efficiency on the system level efficiency,and a ground-based prototype system was established.Electric–electric efficiency of 11.55%was measured at a ground transmission distance of 10 m.The study is complemented by discussing optimization analysis for subsequent research,can be more effective and employed in the future.展开更多
文摘<div style="text-align:justify;"> A new planar waveguide laser was demonstrated. The output energy of 400 mW was achieved by a single waveguide laser;the slope efficiency was 61%. The single waveguide laser can expand to waveguide laser group and waveguide laser array to produce higher energy. </div>
文摘Laser wireless power transmission(LWPT)technology is an innovative approach for long-distance energy transfer via laser beams,demonstrating significant application potential in space solar power stations,lunar research base energy supply,and deep-space probe power systems.However,current domestic research remains at the ground-testing stage,lacking actual space-environment verification,while facing multiple challenges in complex space environment adaptability and optoelectronic device reliability.This paper addresses these issues by conducting preliminary design work on an intra-cabin LWPT system.Through establishing a 3D design model,we focus on mechanical resistance simulation analysis to evaluate structural stability under various load conditions.The results indicate that the proposed system exhibits excellent mechanical performance and feasibility,providing critical references for subsequent space-environment experimental validation.
文摘In order to address the future power generation needs for scientific exploration of the lunar permanently shadowed regions,this paper proposes a laser wireless power transfer(LWPT)system from a power source at the illuminated rim of the crater to a photovoltaic laser receiver on a rover exploring inside the permanently shadowed region.To fill a gap between the conceptual design and an operational system,the required conditions were analyzed regarding the effects of beam alignment and shaping,wavelength-dependent conversion efficiency on the system level efficiency,and a ground-based prototype system was established.Electric–electric efficiency of 11.55%was measured at a ground transmission distance of 10 m.The study is complemented by discussing optimization analysis for subsequent research,can be more effective and employed in the future.
