Experimental Study to The Effect of Applying Stressing Force on Etched Polarization Maintaining Fiber as Hybrid Fabry-Perot /Mach-Zehnder inline fiber interferometer . IJL [Internet]. 2021 Dec. 31 [cited 2024 May 18];20(2):24-31. Available from: https://ijl.uobaghdad.edu.iq/index.php/IJL/article/view/283