Complex optical low coherence reflectometry (OLCR) with tunable source

It is shown theoretically for the first time that the complex impulse response (IR) of a bandwidth-limited optical device can be measured by having a tunable source for an amplitude-sensitive optical low coherence reflectometry. Systematic errors in the measurement technique are quantified through n...

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Bibliographic Details
Published in:IEEE photonics technology letters 2004-05, Vol.16 (5), p.1346-1348
Main Author: Engin, D.
Format: Article
Language:English
Subjects:
Arrayed waveguide gratings
Band theory
Coherence
Diffraction gratings
Fiber gratings
Gratings (spectra)
Impulse response
Infrared radiation
Measurement techniques
Numerical simulation
Optical devices
Optical fiber devices
Optical waveguides
Reflectometry
Systematic errors
Time measurement
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Summary:It is shown theoretically for the first time that the complex impulse response (IR) of a bandwidth-limited optical device can be measured by having a tunable source for an amplitude-sensitive optical low coherence reflectometry. Systematic errors in the measurement technique are quantified through numerical simulations for fiber gratings and arrayed waveguide gratings. The errors are expected to be as low as 1/spl deg/ for phase, 0.5% for amplitude of the IR.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2004.826103