Direct measurement of fringe amplitude and phase using a heterodyne interferometer operating in broadband light |
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| Institution: | 1. Department of Mathematics, Quaid-i-Azam University, Islamabad 44000, Pakistan;2. Department of Mathematics, Faculty of Science, King Abdulaziz cUniversity, Jeddah 21589, Saudi Arabia |
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| Abstract: | We describe a simple heterodyne method for measuring fringe amplitude and phase difference using an interferometer operating in broadband light. A demonstration system is presented using a Michelson-type interferometer with a bandwidth of greater than 300 nm. |
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