| 1. | Wavelength tuning and stabilizing techniques of semiconductor lasers
半导体激光器的波长调谐和波长稳定技术 |
| 2. | Lts lil1ewidth is less than 2 . 33khz in its full wavelength tuning range
92urn ） 。在波长连续调谐范围之内，其输出激光线宽均在2 |
| 3. | The reflection wavelength tuning of fbgs by applying axial strain and lateral strain is discussed , and the theoretic results in both of the above situations are presented
探讨了光纤布喇格光栅的轴向应变调谐和横向应变调谐机理,并对两种调谐技术给出了理论分析结果。 |
| 4. | We discuss the relationship of the properties of the wavelength tuning v . s . applied voltage > working temperature and duty - cycles when the voltage applies on the single domain or the dual domain
讨论了ppln在单畴、双畴分别加电压的情况下，其波长调谐特性与外加电压、晶体温度及占空比的关系。 |
| 5. | As we know , usually the wavelength tuning of the qpm - opo is achieved by changing the crystal temperature , but the response is not fast . in this paper we demonstrate the wavelength tuning of the qpm - opo by the electro - optic effect for the fast wavelength tuning
我们知道，基于ppln的qpm - opo的波长调制通常可以通过改变晶体的工作温度来获得，但是这种靠温度的调谐速度不快，本文给出了一种利用电光效应外加电压快速调谐波长的方法。 |
| 6. | On the basis of this , the effective reflective index with the variation of the carrier density is discussed . this paper also analyzed the random facet phase and the length of the cavity ' s influence on threshold characteristic . especially , the wavelength tuning characteristics have been investigated in detail when one segment works as absorbed region
在此基础上，研究了每一段等效反射率谱曲线随载流子浓度变化的情况；分析了边界相位的不确定性以及激光器腔长对阈值特性的影响；重点讨论了其中一段工作在吸收状态下的波长调谐性质。 |
| 7. | Based on the structure of all optical active fiber ring resonator , dual - tunable er3 + - doped optical fiber ring resonator filter is investigated by adding a tunable bandpass filter to change its wavelength . its finesse can also be tunable by adjusting the pump power . the wavelength tuning range of the dual - tunable fiber ring resonator filter is 39nm , from l526nm to l565nm
在基于掺铒光纤环形腔结构基础之上，通过在腔中加入的可调谐介质薄膜滤波器来选择滤波波长，并通过调节泵浦功率来改变腔精细度，以实现一种滤波波长以及精细度双可调谐的光纤环形腔结构窄带滤波器。 |
| 8. | ( 3 ) ln the fourth chapter of this dissertation , a tunable single - longitudinal - mode erbium doped fiber ring laser is achieved by using the very narrow bandpass characteristics of the self written grating formed in a section of erbium doped flber withoat undergoing pumping by stable standing wave in it . tl1e tunable laser ' s wavelength tuning range is 40nm , from l 523 . 79llm to l563 . 92nm
三、在本文第四章，利用驻波干涉和饱和吸收诱发的自写入光纤光栅的窄带滤波特性及反射波长自适应特性，研制成可调谐掺铒光纤环形腔单频激光器，其波长连续可调谐范围达40nm ( 1523 . 79nm ?安激大学硕士学位论文摘要1563 |
| 9. | Then we get some results : the curves of wavelength tuning properties are shown as a near - linear dependence on the applied voltage , and the tuning rate is larger with the duty - cycle decreasing when the voltage applies on the dual domain ; on the contrary , the - tuning rate is smaller with the duty - cycles decreasing when the voltage applies on the single domain
得到一些对实验有指导意思的结果：得出电压和波长调谐曲线近似呈线性关系，在双畴加电压情况下，占空比越小调谐速率越大，而在单畴加电压情况下，占空比越小调谐速率也越小，刚好与双畴加电压的结果相反。 |
| 10. | From the theoretical calculation and the experimental results , we makehe conclusion that the last cavity setup is most suitable for the wavelength tuning . we calculated the stable regions and the peak power on the sesam , at the same time , ave the beam size on the sesam and on the crystal . we achieved the q - switchedutput with a three - mirror folded - cavity after optimizing it
计算了v型腔和五镜腔的稳区、晶体和sesam上光斑半径、 sesam上的峰值功率密度，对腔的参数进行了优化，并做了sesam被动调q和锁模的激光实验，实现了v型腔调q 、五镜腔调q的激光输出。 |
