In-fiber polymer-glass hybrid waveguide Bragg grating

A 1.2 microm (height) x 125 microm (depth) x 500 microm (length) microslot along a fiber Bragg grating was engraved across the optical fiber by femtosecond laser patterning and chemical etching. By filling epoxy in the slot and subsequent UV curing, a hybrid waveguide grating structure with a polyme...

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Veröffentlicht in:	Optics letters 2008-08, Vol.33 (15), p.1650-1652
Hauptverfasser:	KAIMING ZHOU, XIANFENG CHEN, YICHENG LAI, SUGDEN, Kate, LIN ZHANG, BENNION, Ian
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fiber optics Fundamental areas of phenomenology (including applications) General equipment and techniques Gratings Instruments, apparatus, components and techniques common to several branches of physics and astronomy Optical elements, devices, and systems Optical waveguides and coupleurs Optics Physics Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing Sensors, gyros
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Beschreibung
Zusammenfassung:	A 1.2 microm (height) x 125 microm (depth) x 500 microm (length) microslot along a fiber Bragg grating was engraved across the optical fiber by femtosecond laser patterning and chemical etching. By filling epoxy in the slot and subsequent UV curing, a hybrid waveguide grating structure with a polymer core and glass cladding was fabricated. The obtained device is highly thermally responsive with linear coefficient of 211 pm/ degrees C.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.33.001650