Effect of phase mask alignment on fiber Bragg grating spectra at harmonics of the Bragg wavelength

Effects of fabrication conditions on the double-peak structure observed in fiber Bragg gratings at harmonics of the Bragg wavelength were investigated, showing that slight variations in the alignment of the phase mask can affect the grating spectra significantly. A single peak occurs only when the i...

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Veröffentlicht in:	Journal of the Optical Society of America. A, Optics, image science, and vision Optics, image science, and vision, 2012-08, Vol.29 (8), p.1597-1605
Hauptverfasser:	WADE, Scott A, BROWN, William G. A, BAL, Harpreet K, SIDIROGLOU, Fotios, BAXTER, Greg W, COLLINS, Stephen F
Format:	Artikel
Sprache:	eng
Schlagworte:	Alignment Bragg gratings Exact sciences and technology Fiber optics Fibers Fundamental areas of phenomenology (including applications) Gratings Harmonics Masks Optical elements, devices, and systems Optics Other fiber-optical devices Physics Spectra Wavelengths
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Beschreibung
Zusammenfassung:	Effects of fabrication conditions on the double-peak structure observed in fiber Bragg gratings at harmonics of the Bragg wavelength were investigated, showing that slight variations in the alignment of the phase mask can affect the grating spectra significantly. A single peak occurs only when the incident beam direction is perfectly normal with respect to the fiber.
ISSN:	1084-7529 1520-8532
DOI:	10.1364/JOSAA.29.001597