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1)  exciton absorption
激子吸收
1.
The exciton absorption and light modulation characteristics of GaAs/AlGaAs multiple quantum well (MQW) light switch devices have been analyzed.
我们分析了 Ga As/Al Ga As半导体多量子阱 (MQW)光开关器件的室温激子吸收行为及光调制特性 ,优化设计了多量子阱结构 ,研制出常通型和常关型两种类型光开关器件 ,并对器件的光调制特性进行了测量与研究。
2)  optical absorption band of exciton
激子吸收峰
3)  absorbing laser
吸收激光
4)  laser absorption
激光吸收
1.
A new method, the laser absorption spectrometry, for measuring the contents of P2O5 inground phosphate rock is proposed.
提出了一种测试磷矿粉中P2O5成分的激光吸收光谱法,该方法具有实时、在线的特点,能较好地满足磷酸盐工业对于P含量分析高精度的要求。
5)  stimulated absorption
受激吸收
6)  excited state absorption
激发态吸收
1.
The results measured with Z Scan technique show that the cluster exhibits a self focusing property, and the excited state absorption is the main mechanism of the optical limiting effect of the metal cluster compound.
Z- Scan研究结果表明 :该团簇具有自聚焦特性 ,其光限幅起源于激发态吸
2.
By theoretic analyzing the energy level structure of the color center and calculating the saturable optical intensity of the excited state absorption, the authors point out the possibility of realizing passive mode-locking by using LiF crystal with the relaxation time of the ground state in nanosecond magnitude.
理论分析LiF:F~-_2色心晶体的能级结构,计算其激发态吸收的饱和光强,指出基态恢复时间为纳秒量级的LiF实现被动锁模的可能性。
3.
The change of the small signal gain for a Cr:LiSAF laser is calculated with the change of pump power on consideration of the excited state absorption and upconversion process,and the influence of the temperature inside Cr:LiSAF on the small signal gain is analyzed.
在考虑掺铬氟化锂锶铝晶体的激发态吸收和上转换的情况下,求出掺铬氟化锂锶铝激光器小信号增益随泵浦功率的变化,分析晶体温度对小信号增益的影响。
补充资料:受激吸收跃迁概率
分子式:
CAS号:

性质:原子吸收能量为hv(h为普朗克常数)的入射光子,从基态跃迁到激发态。当在dt时间内,有dNoj个原子被激发,则dNoj与基态原子数目(No),辐射能量密度ρ(v),激发时间dt成正比,即dNoj=BojNoρ(v)dt。式中Boj为吸收跃迁系数。Boj与ρ(v)的乘积称受激吸收跃迁概率,定义为单位时间内光致吸收原子数与基态原子数的比值。

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