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IEICE TRANSACTIONS on transactions

Temperature Dependence of Pulse Waveform Distortion in a Step-Index Type Multimode Infrared Optical Fiber

Yuji AZUMAI, Heihachi SATO

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Summary :

Introducing temperature-dependent terms into the propagation constant and its derivatives, and extinction coefficient of a core material of optical fiber, the equation of pulse propagation in a multimode fiber is derived, allowing us to evaluate the temperature dependence of a pulse waveform such as the peak-intensity, the pulse duration or width and the pulse delay-time at the peak as a function of ambient temperature. Using the weighting function for higher order modes in the above equation, the theoretically calculated waveforms are compared with the mode-locked He-Ne 3.39 µm laser pulses propagated through As-S fiber over the range from room temperature to 220, being in good agreement each other.

Publication
IEICE TRANSACTIONS on transactions Vol.E70-E No.11 pp.1150-1154
Publication Date
1987/11/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Electro-Optics

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