作者：Bin Sheng, Luwen Luo
关键字：Elastomeric Grating, Tunable Groove Density Gradient
论文来源：期刊
具体来源：IEEE Photonics Journal ， http://dx.doi.org/10.1109/JPHOT.2017.2730851
发表时间：2017年

This paper describes a new method for fabrication of tailorable elastomeric gratings with tunable groove density gradients based on stretching of the grating sample in a direction perpendicular to the grating line within the grating surface. The advantage of this method is that the tunable groove density gradient can be achieved by tailoring of the shape of a grating sample with uniform thickness. The groove density gradient changes as a specific function of its spatial position on the tailored surface of the elastomeric grating. The resulting tailorable elastomeric gratings can be used in the fabrication of devices such as optical position sensors and tunable optical filters.