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Title: Multichannel Fourier-transform interferometry for fast signals
Authors: Heussler, S.P. 
Moser, H.O. 
Kalaiselvi, S.M. 
Quan, C.G. 
Tay, C.J. 
Issue Date: 20-Jun-2011
Citation: Heussler, S.P., Moser, H.O., Kalaiselvi, S.M., Quan, C.G., Tay, C.J. (2011-06-20). Multichannel Fourier-transform interferometry for fast signals. Optics Express 19 (13) : 12628-12633. ScholarBank@NUS Repository.
Abstract: Multichannel Fourier transform interferometry to measure the spectrum of arbitrarily short pulses and of fast time-varying signals was achieved using a micro/nanomanufactured multimirror array. We describe the performance of a demonstrator FTIR that works in the mid-infrared (MIR) range of 700-1400 cm -1 and reaches a spectral resolution of 10 cm-1 taking into account apodization. Spectral measurements down to pulse lengths of 319 μs were carried out using a mechanical camera shutter. Arbitrarily short pulses are expected feasible provided the source can deliver enough photons to overcome the noise equivalent number of photons. © 2011 Optical Society of America.
Source Title: Optics Express
ISSN: 10944087
DOI: 10.1364/OE.19.012628
Appears in Collections:Staff Publications

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