Real-Time Phase Difference Control of Optical Beams Using a Mach–Zehnder Interferometer

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概要

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• We present an experimental scheme for fast phase difference control of optical beams based on a simple, however robust setup of Mach–Zehnder interferometer. We demonstrate to smoothly tune the relative phase by 140° in 275 ms, with an average peak-to-peak phase difference jitter less than 0.9°. The overall achievable tuning range, both for continuous and stepwise scans, can be more than 320°. This scheme is totally immune to intensity fluctuation and allows to engage the conventional phase-shifting imaging. It is especially suitable for real-time configuration control of 2D and 3D optical lattice potentials to study the tunneling and transport effects on cold atomic samples.

• 2010-03-15

著者

• Han Dian-jiun

  Department Of Physics National Chung Cheng University

• Ku Tzu-Ping

  Department of Physics, National Chung Cheng University, Chia-Yi 621, Taiwan, R.O.C.

• Shiau Bor-Wen

  Department of Physics, National Chung Cheng University, Chia-Yi 621, Taiwan, R.O.C.

関連論文

• A Michelson Interferometer for Relative Phase Locking of Optical Beams(Atomic and molecular physics)
• Real-Time Phase Difference Control of Optical Beams Using a Mach–Zehnder Interferometer

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