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- Though the lasers with lattice-mismatch cladding layers still have low threshold current density, the gain is too small to support ground state lasing. 所制成的雷射虽然也有很小的起振电流，但由于增益较小无法在基态放光。
- Double heterostructure(DH)realizes the complete confinement of carriers and light,decreasing threshold current density substantially. 双异质结构实现了光和载流子的完全限制 ,使阈值电流密度大幅度下降。
- In particular, there is an optimal well number corresponding to the lowest threshold current density for MQW structure in the microcavity lasers. 特别是在微腔多量子阱结构中存在一个最佳阱数对应着阈值电流密度的最小值。
- The lasing wavelength is 1.33 mm and threshold current density is 248A/cm2. This is the first report on successful fabricating of long wavelength CW QDs lasers in china. 阈值电流密度为248A/cm2.;这是国内首次报道室温连续激射量子点长波长激光器
- CATHODE PHASE CHANGE THRESHOLD CURRENT DENSITY SIMULATION OF FUEL CELLS 燃料电池阴极相变临界电流模拟
- Theoretical Analysis of Gain and Threshold Current Density for Long Wavelength GaAs-Based Quantum-Dot Lasers GaAs基长波长量子点激光器增益和阈值电流密度的理论分析
- Theoretical Calculation of Gain and Threshold Current Density for InGaN Quantum Well Lasers InGaN量子阱激光器增益和阈值电流的理论计算
- Influence of Structure Parameters on Threshold Current Density of Planar Stripe Geometry InGaAsP/lnP DH Lasers InGaAsP/InP平面条形双异质结激光器结构参数对阈值电流密度的影响
- threshold current density 阈电流密度
- NBT has lower current density than that of PZT,but the switching threshold of emission is lower and the depolarization property is better. 与PZT的发射性能相比,NBT发射电流密度稍低,但NBT具有更低的发射起始阈值,更高的耐压强度和更好的退极化性能。
- The threshold voltages of n-MOSFET and p-MOSFET are 2V and 5V respectively. It can be turned off with current density of 220A/cm at a gate bias of 7V. n沟MOS阈值电压为2V;p沟MOS阈值电压为-5V.;当门极加-7V电压时;其关断电流密度为220A/cm~2
- It can greately improve the transconductance and current density. 其中pHEMT（pseudo-HEMT，即赝配HEMT）表现尤为特殊，它能够非常显著地改善HEMT的跨导和电流密度，因此具有广阔的应用前景。
- The overvoltage varies inversely with the current density to some extent. 超电压在某种程度上随电流密度成反比地变化。
- Much attention is paid on the economic current density in the conductor. 很重视对导体中的经济电流密度的评估。
- Tunneling process is important in the low to moderate current density range. 在中等及中等以下电流密度下，隧道穿透过程是重要的。
- The current density reduces along with the temperature of hollow cathode rise. 电流密度随空心阴极温度的升高而下降。
- Quantum apparatus have lower emitted threshold, great emit current density, more stability etc excellent field emit performance so that it could use to facture high performance flat displayer. 量子器件具有发射阈值低、发射电流密度大、稳定性高等优异的场发射性能。
- The minimum CW threshold current(I_(th))of the LD is 20mA at room tempe- ratue,with the typical value of 30mA. 在室温 CW 工作条件下,该激光二极管的最低阈值电流为20mA,典型值为30mA。
- The results show that these newly made DFB-LDs have threshold current as low as 7mA, 35% lower than the former LPE-buried DFB-LDs. 测试结果显示:采用新工艺制作的DFB激光器的阈值电流较LPE掩埋的DFB激光器下降了35%25;达到7mA.
- It is found that optimization of the structure parameters of ridge waveguide (RWG) can decrease the threshold current of RWG laser diode. 通过优化脊形波导的结构参数可以降低脊形波导激光器的阈值电流,提出了实现亚微米脊宽,从而降低阈值电流的方法。
