此光纤经紫外辐照后吸收峰处损耗明显增加，而低损耗区损耗几乎不变。
After ultraviolet irradiation, the fiber attenuation increases obviously at several absorption peaks, whereas the value in low absorption region remains almost no change.
样品在可见光区光吸收率随着初始溶液浓度、退火时间、成膜厚度的增加而增加。
The visible optical absorption of the film increases with increasing annealing time, coating-annealing time and concentration of the starting solution.
随着铁靶功率的增加，透射光谱的吸收边有微弱蓝移，透过率在可见光区超过75%。
With the increasing of the Fe target power, the transparent of the coatings showed low blue shifts with the transmittance within the visible range being up to 75%.
利用本发明的方法，通过外延层的掺杂浓度来调节以增加耗尽区的展宽，可进一步提高光子吸收效率。
By utilizing the method, the doping concentration of the epitaxial layer is regulated to increase the widening of the depletion region so as to further improve the photon absorption efficiency.
利用本发明的方法，通过外延层的掺杂浓度来调节以增加耗尽区的展宽，可进一步提高光子吸收效率。
By utilizing the method, the doping concentration of the epitaxial layer is regulated to increase the widening of the depletion region so as to further improve the photon absorption efficiency.
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