Z. Mohammed, A., A. K. Abass, Samar K. Ibrahim, and Wail Yass Nassir. “Theoretical Analysis of Fiber Bragg Grating Tunable Filter Utilizing Tensile /Compression Technique”. Diyala Journal of Engineering Sciences, vol. 11, no. 2, June 2018, pp. 55-59, doi:10.24237/djes.2018.11207.