激光技术
激光技術
격광기술
LASER TECHNOLOGY
2014年
5期
590-594
,共5页
激光技术%激光无线能量传输%单结GaAs光电池%转换效率
激光技術%激光無線能量傳輸%單結GaAs光電池%轉換效率
격광기술%격광무선능량전수%단결GaAs광전지%전환효솔
laser technique%laser wireless power transmission%single junction GaAs photovoltaic cell%conversion efficiency
为了提高激光无线能量传输系统的转换效率，基于单结GaAs光电池的工作原理，用调节照射光电池的激光参量的方法，从理论上对激光无线能量传输系统的有关部分进行了优化设计，并通过实验研究了激光波长、激光强度等因素对光电池能量转换效率的影响。结果表明，单结GaAs光电池对单色激光的光电转换效率远高于传统的单晶硅电池，最高转化效率可达61．2％。该结果对于激光无线能量传输技术的应用具有一定参考价值。
為瞭提高激光無線能量傳輸繫統的轉換效率，基于單結GaAs光電池的工作原理，用調節照射光電池的激光參量的方法，從理論上對激光無線能量傳輸繫統的有關部分進行瞭優化設計，併通過實驗研究瞭激光波長、激光彊度等因素對光電池能量轉換效率的影響。結果錶明，單結GaAs光電池對單色激光的光電轉換效率遠高于傳統的單晶硅電池，最高轉化效率可達61．2％。該結果對于激光無線能量傳輸技術的應用具有一定參攷價值。
위료제고격광무선능량전수계통적전환효솔，기우단결GaAs광전지적공작원리，용조절조사광전지적격광삼량적방법，종이론상대격광무선능량전수계통적유관부분진행료우화설계，병통과실험연구료격광파장、격광강도등인소대광전지능량전환효솔적영향。결과표명，단결GaAs광전지대단색격광적광전전환효솔원고우전통적단정규전지，최고전화효솔가체61．2％。해결과대우격광무선능량전수기술적응용구유일정삼고개치。
In order to improve the conversion efficiency of the laser wireless power transmission system , based on the working principle of single junction GaAs photovoltaic cell , by the method of adjusting the parameter of laser which irradiated the photovoltaic cell , an optimization scheme was designed to each part of the laser wireless power transmission system theoretically.The relation between the conversion efficiency with laser wavelength and incident intensity was measured experimentally and discussed theoretically .The results show that the conversion efficiency of GaAs photovoltaic cell is improved obviously compared with monocrystalline silicon photovoltaic cell for monochromatic laser .The maximum conversion efficiency reaches 61.2%.The conclusions have a certain reference value for the application of laser wireless power transmission .
