The theory of nonlinear refractive-indexprofile measurement of fibers using two-beam interferometric method is introduced, and the result of this experiment is given.
介绍了使用双光束干涉法测量变折射率光纤设备的原理及实验结果。
2
Using nanofabrication techniques, the researchers etched tiny holes into the nitride to make a desired pattern, giving the waveguide the cloaking refractiveindexprofile.
通过纳米制备技术研究者在氮化硅中刻蚀出许多空洞以构成所需图案，使得波导具有合适的隐形折射率。
3
The test on its optical transmittance was conducted, and analysis of the refractiveindexprofile of a gradient index (GRIN) rod made of the base glass was performed.