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Document type:
journal article 
Author(s):
Rosenthal, A; Kellnberger, S; Sergiadis, G; Ntziachristos, V 
Title:
Wideband Fiber-Interferometer Stabilization With Variable Phase 
Abstract:
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. 
Journal title abbreviation:
IEEE Photonics Technol Lett 
Year:
2012 
Journal volume:
24 
Journal issue:
17 
Pages contribution:
1499-1501 
Language:
eng 
Print-ISSN:
1041-1135 
TUM Institution:
Lehrstuhl für Biologische Bildgebung