AN OPTICAL BANDPASS FILTER USING MACRO-BENDING APPROACH

A new method for optical band-pass filters using macro bending approach is proposed. The proposed optical Band-pass filter leverages on bending loss of higher order modes for shorter wavelengths. It is designed in a way that combines the properties of optical low pass and high pass filter into a sin...

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Main Authors KHAIRUL ANUAR MAT SHARIF, MOHD IMRAN BIN ZULKIFLI, HAIRUL AZHAR ABDUL RASHID, SIAMAK DAWAZDAH EMAM, SHAHRIN ZEN BIN MUHAMAD YASSIN
Format Patent
LanguageEnglish
Published 27.01.2022
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:A new method for optical band-pass filters using macro bending approach is proposed. The proposed optical Band-pass filter leverages on bending loss of higher order modes for shorter wavelengths. It is designed in a way that combines the properties of optical low pass and high pass filter into a single filter. The loss at shorter wavelength is provided by fiber bending of multimode propagation of light which is optimized by fiber numerical aperture and fiber core diameter.
Bibliography:Application Number: MY2013PI02478