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http://hdl.handle.net/10397/7102
Title: | Femtosecond laser fabricated micro Mach-Zehnder interferometer with Pd film as sensing materials for hydrogen sensing | Authors: | Wang, M Yang, M Cheng, J Dai, J Yang, M Wang, D |
Issue Date: | 1-Jun-2012 | Source: | Optics letters, 1 June 2012, v. 37, no. 11, p. 1940-1942 | Abstract: | In this paper, a femtosecond laser fabricated fiber inline micro Mach-Zehnder interferometer with deposited palladium film for hydrogen sensing is presented. Simulation results show that the transmission spectrum of the interferometer is critically dependent on the microcavity length and the refractive index of Pd film and a short microcavity length corresponds to a high sensitivity. The experimental results obtained in the wavelength region of 1200–1400 nm, and in the hydrogen concentration range of 0–16%, agree well with that of the simulations. The developed system has high potential in hydrogen sensing with high sensitivity. | Keywords: | Fiber optics sensors Thin films, optical properties Femtosecond phenomena Ultrafast processes in fibers |
Publisher: | Optical Society of America | Journal: | Optics letters | ISSN: | 0146-9592 | EISSN: | 1539-4794 | DOI: | 10.1364/OL.37.001940 | Rights: | © 2012 Optical Society of America This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-11-1940. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. |
Appears in Collections: | Journal/Magazine Article |
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Wang_Femtosecond_Laser_Fabricated.pdf | 355.94 kB | Adobe PDF | View/Open |
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