| 1. | Effect of amplified spontaneous emission in heaven - i pre - amplifier
天光一号预放大器中的放大自发辐射效应 |
| 2. | Amplified spontaneous emission
放大的自发辐射 |
| 3. | By utilizing the comb - like reflection spectrum of a hi - bi fiber loop mirror to suppress the ase ( amplified spontaneous emission ) of a double - pass edfa , the noise figure of this amplifier is much improved
利用双折射环镜的梳状反射特性抑制双通edfa的ase ,从而使放大器的噪声性能得到了明显改善。 |
| 4. | We also propose a new subsidiary method for finesse measurement based on selfhomodyne by x m . using of resonating of the intra - cavity amplified spontaneous emission ( ase ) light , without extemal light source
同时提出利用腔内ase输出光的线宽来测量有源光纤环形腔滤波器的精细度，而不需要注入光。 |
| 5. | However , in the pulse application fields , the output pulse energy from single mode fiber lasers or amplifiers is limited by amplified spontaneous emission ( ase ) , nonlinear effect and facet damage
在脉冲激光应用领域中,这类小芯径光纤放大器和激光器的输出脉冲能量受限于自发辐射放大、非线性效应以及光纤的端面损伤。 |
| 6. | ( 2 ) ln the third chapter of this dissertation , the behaviors of intra - cavity amplified spontaneous emission ( ase ) light in the active fiber resonators are firstly studied by both theoretical and experiment8l ways , when it is operating near the threshold
二、在本文第三章中，研究无注入光时，通过分析腔内ase光输出特性来研究有源光纤环形腔在近阈值点附近的滤波特性。 |
| 7. | The amplified spontaneous emission ( ase ) is studied . both the forward and backward ase is simulated and their characters are analyzed in detail . then the dual stage cascade structure is presented as a solution to reduce the ase noise
2 .研究了edfa中放大的自发辐射噪声光( ase ) ,详细分析了前后向ase噪声光的性质,在此基础上,提出了双段级联结构抑制ase噪声光,并对这种方法进行了理论和实验研究。 |
| 8. | In the two - photon resonance case , part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing , and the medium shows strong optical power limiting effect
在双光子共振情况下，即入射脉冲频率等于1 、 3能级之间的共振频率的一半，由于介质中放大的自发辐射和四波混频的作用，部分入射脉冲能量转化为高频和低频电场成分的能量，分子介质表现出了很强的光功率限幅特性。 |
| 9. | Based on an amplified spontaneous emission ( ase ) source , a ring - cavity fiber laser , in which sensor element acted as the reflector of the cavity , was achieved with high - signal noise ratio ( snr ) and high - power . it was demonstrated that the output power was maximum , when output coupler ratio of the coupler was seventy percent
实验证实耦合器的输出耦合比选为某一个最佳值70 ，当980nm泵光工作电流为50ma时，其输出功率达3 . 5mw ，且输出激光波长与作为反射镜的光纤光栅中心波长相同。 |
| 10. | Ignored the amplified spontaneous emission ( ase ) and esa , rate equations and propagations equations for continuous wave er ~ ( 3 + ) / yb ~ ( 3 + ) co - doped phosphate glass waveguide laser were calculated using runge - kutta algorithm . propagation characteristics of signal and pump light in the waveguide were analyzed too
利用fd - bpm法,对在平板波导以及波导折射率为渐变折射率分布的沟道波导和掩埋型波导内传播的波长为980nm的泵浦光和1540nm的信号光的光场进行了模拟。 |
