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Wideband fiber-interferometer stabilization with variable phase.
IEEE Photonics Technol. Lett. 24 (2012)
We report on a robust scheme for wideband variable-phase interferometer stabilization based on active modulation. In contrast to previous schemes, the correction signal is generated without using second harmonics, whose low amplitude often requires employing narrowband lock-in amplifiers. Resonances in the element modulating the phase are attenuated to enable high gain without high-frequency oscillations. Operation over a 3-kHz bandwidth is demonstrated.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Feedback Circuits ; Interferometry ; Optical Fibers
ISSN (print) / ISBN 1041-1135
Quellenangaben Volume: 24, Issue: 17
Publisher Institute of Electrical and Electronics Engineers (IEEE)
Reviewing status Peer reviewed
Institute(s) Institute of Biological and Medical Imaging (IBMI)