| 1. | The two cleaved facets define the fabry-perot cavity .
这两个解理面限定了法布里珀罗光腔。 |
| 2. | The two cleaved facets define the fabry - perot cavity
这两个解理面限定了法布里?珀罗光腔。 |
| 3. | We get the ways to decide the primitive length of fiber - optic fabry - perot cavity by use of theory , and designed two systems to measure the length of fiber - optic fabry - perot cavity
我们通过理论分析得到了确定光纤fp腔原始腔长的方法，并据此设计出了两套测量光纤fp腔腔长的方法。 |
| 4. | The principle of white - light interference for strain measurement is analyzed in theory , the optical fiber strain sensor system based on white - light interferometric principle of fabry - perot cavity and spectrum instrument is designed
本文对白光干涉应变测量的工作原理进行了理论分析，基于fabry - perot腔白光干涉原理和光谱仪原理设计了光纤传感器的调制解调系统。 |
| 5. | This paper put forward a demodulation method of fbg sensors based on the voltage drive fabry - perot cavity ( f - p ) , on which we have a feedback control voltage to drive . a novel automatic trace method is creatively proposed
本文提出了一种基于电压驱动可调法布里腔自动跟踪扫描滤波的光纤光栅传感器解调方案，利用电压反馈控制可调法布里腔的方法，达到对外界的振动、应变等物理量引起的布拉格光纤光栅反射光谱的漂移进行解调。 |
| 6. | The dissertation focuses on fiber lasers and includes the detailed descriptions on the following subjects : 1 . experimental studies on fabry - perot cavity fiber lasers ( 1 ) the experimental study on a dual - wavelength dbr ( distributed bragg reflection ) edfl ( erbium - doped fiber laser ) is conducted
本论文以光纤激光器为主要研究对象,进行的研究工作如下: 1 . fabry - perot腔光纤激光器的实验研究( 1 )对高浓度掺铒光纤dbr双波长激光器进行了实验研究。 |
| 7. | The demodulation method of fiber grating is the key method of fiber grating sensor . the main demodulation method includes : grating matching method , tunable fabry - perot cavity method , non - balance mach - zehnder interferometer method and tunable narrow - band light source method . the tunable fabry - perot cavity method is discussed in detail , and a demodulation system based on dsp is put forward
光纤光栅的解调技术是光纤光栅传感器的关键技术，本文讨论了光纤光栅的波长解调方法，包括匹配光栅法、可调谐f - p腔法、非平衡mach - zehnder干涉仪法和可调谐光源法等，详细分析了可调谐f - p滤波器的特性和解调原理提出了一种基于dsp的解调光纤光栅波长的可调谐法布里一珀罗腔解调方案。 |
| 8. | The self - q - switched pulses of high erbium - doped fabry - perot cavity fiber laser are observed and theoretically analyzed . ( 2 ) . utilizing the non - linearity characteristics of single mode fiber - back stimulated brillouin scattering ( bsbs ) and the wavelength - selecting characteristics of fiber gratings , self - q - switched pulses are achieved from a linear cavity erbium - doped fiber laser pumping by a 980nm ld continue wave ( cw ) pumping , the pulse width is 2 . 2ns and the repetition frequency of pulses is 64 . 5mhz
( 2 )利用单模光纤的非线性效应背向受激布里渊散射( bsbs )和光纤光栅的选频特性,采用980nm半导体激光器连续泵浦方式,在线性腔掺铒光纤激光器中实现了自调q运转,获得脉冲宽度( fwhm )约为2 . 2ns ,重复频率为64 . 5mhz的稳定的光脉冲输出。 |
