Search Results - "Smelser, Christopher"

Investigation of poling timescales and dopant duty cycle in doped silica multilayered thin films by Jafari, Seyed Hamed, Smelser, Christopher W.

“…We investigate, for the first time to our knowledge, the impact of poling duration and duty cycle on second order non-linearities induced in poled silica…”
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Annealing of High-Temperature Stable Hydrogen Loaded Fiber Bragg Gratings by Alqarni, Sondos A., Bernier, Martin, Smelser, Christopher W.

“…We compare the isothermal and isochronal annealing response of ultrafast laser-induced first-order gratings to that of the third-order gratings up to 1000 °C…”
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Formation of Type I-IR and Type II-IR gratings with an ultrafast IR laser and a phase mask by Smelser, Christopher, Mihailov, Stephen, Grobnic, Dan

“…The formation of two grating types in SMF-28 fiber by focusing 125 fs, 0.5-2 mJ pulses through a phase mask onto a fiber sample is studied. The first type,…”
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Intrinsic second harmonic generation from un-poled doped silica multilayered thin films by Jafari, Seyed Hamed, Lopez, Jose Antonio Novoa, Haque, Tahseen, Albert, Jacques, Smelser, Christopher W.

“…Second harmonic light generation (SHG) was observed from as-deposited silica glass thin films suitable for waveguiding, without the need for an inversion…”
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Bragg gratings written in All-SiO2 and Ge-doped core fibers with 800-nm femtosecond radiation and a phase mask by MIHAILOV, Stephen J, SMELSER, Christopher W, GROBNIC, Dan, WALKER, Robert B, PING LU, HUIMIN DING, UNRUH, James

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Bragg grating writing through the polyimide coating of high NA optical fibres with femtosecond IR radiation by Mihailov, Stephen J., Grobnic, Dan, Walker, Robert B., Smelser, Christopher W., Cuglietta, Gino, Graver, Tom, Mendez, Alexis

“…Bragg gratings are written with ultrafast 800 nm radiation and a phase mask through the polyimide polymer coatings of commercially available high NA fibres…”
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Localized High Birefringence Induced in SMF-28 Fiber by Femtosecond IR Laser Exposure of the Cladding by Grobnic, D., Mihailov, S.J., Smelser, C.W.

“…A process for creating a local high fiber birefringence and large variation in refractive-index modulation with a polarization in fiber Bragg gratings using…”
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Bragg Gratings Made in Highly Nonlinear Bismuth Oxide Fibers With Ultrafast IR Radiation by Grobnic, D., Walker, R.B., Mihailov, S.J., Smelser, C.W., Ping Lu

“…High-quality Bragg gratings with refractive index modulations > 7 × 10 -4 were induced in highly nonlinear bismuth oxide glass fibers using ultrafast infrared…”
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Review of femtosecond infrared laser-induced fibre Bragg grating sensors made with a phase mask by Mihailov, Stephen J, Grobnic, Dan, Smelser, Christopher W, Walker, Robert B, Lu, Ping, Ding, Huimin

“…Purpose - The purpose of this paper is to present a review of research performed at the Communications Research Centre Canada on sensing applications of…”
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Femtosecond IR Laser Inscription of Bragg Gratings in Single- and Multimode Fluoride Fibers by Grobnic, D., Mihailov, S.J., Smelser, C.W.

“…We report for the first time the fabrication of fiber Bragg gratings in both single- and multimode undoped fluoride fibers using femtosecond 800-nm radiation…”
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Sapphire fiber Bragg grating sensor made using femtosecond laser radiation for ultrahigh temperature applications by Grobnic, D., Mihailov, S.J., Smelser, C.W., Huimin Ding

“…We report for the first time the inscription of retro-reflective Bragg gratings in multimode crystalline sapphire fiber. The gratings were fabricated using…”
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High-Reflectivity Thermally Stable Ultrafast Induced Fiber Bragg Gratings in H 2 -Loaded SMF-28 Fiber by Smelser, C W, Grobnic, D, Mihailov, S J

“…High-temperature stable high-reflectivity gratings are fabricated in hydrogen-loaded single-mode fiber (SMF-28) using ultrafast 800-nm radiation. An index…”
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Femtosecond IR laser fabrication of Bragg gratings in photonic crystal fibers and tapers by Mihailov, S.J., Grobnic, D., Huimin Ding, Smelser, C.W., Jes Broeng

“…Fiber Bragg gratings were written in pure silica photonic crystal fibers (PCFs) and PCF tapers with 125-fs 800-nm infrared radiation. High reflectivities were…”
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Role of hydrogen loading and glass composition on the defects generated by the femtosecond laser writing process of fiber Bragg gratings by Troy, Neil, Smelser, Christopher W., Krol, Denise M.

“…The creation of fiber Bragg gratings (FBGs) in optical fibers by laser irradiation causes the formation of defects in the modified glass. We have used confocal…”
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Ultrafast IR Laser Writing of Strong Bragg Gratings Through the Coating of High Ge-Doped Optical Fibers by Grobnic, D., Mihailov, S.J., Smelser, C.W., Ramos, R.T.

“…Strong fiber Bragg gratings were written through the standard polymer coatings of "off-the-shelf" high numerical aperture single-mode optical fibers after a…”
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Bragg Gratings Made With a Femtosecond Laser in Heavily Doped Er-Yb Phosphate Glass Fiber by Grobnic, D., Mihailov, S.J., Walker, R.B., Smelser, C.W., Lafond, C., Croteau, A.

“…Bragg gratings made in heavily doped phosphate glass fibers using ultrafast infrared radiation and a phase mask are reported. Refractive indexes >1.5times10 -3…”
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Multiparameter Sensor Based on Single High-Order Fiber Bragg Grating Made With IR-Femtosecond Radiation in Single-Mode Fibers by Grobnic, D., Mihailov, S.J., Smelser, C.W., Walker, R.B.

“…Narrowband multiple high-order Bragg resonances from a single Bragg grating structure inscribed using a femtosecond IR laser and a 4.28 mum pitched phase mask…”
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Bragg grating evanescent field sensor made in biconical tapered fiber with femtosecond IR radiation by Grobnic, D., Mihailov, S.J., Huimin Ding, Smelser, C.W.

“…Retro-reflective Bragg gratings were made with a phase mask and femtosecond radiation from a Ti : sapphire infrared laser into the core and cladding region of…”
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Femtosecond laser fabrication of Bragg gratings in borosilicate ion-exchange waveguides by Grobnic, D., Mihailov, S.J., Smelser, C.W., Becker, M., Rothhardt, M.W.

“…Ultrafast 800-nm radiation from a Ti : sapphire amplifier was used to write high reflectivity Bragg gratings in silver ion-exchange waveguides made in a…”
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Bragg gratings made in reverse proton exchange lithium niobate waveguides with a femtosecond IR laser and a phase mask by Grobnic, D., Mihailov, S.J., Smelser, C.W., Genereux, F., Baldenberger, G., Vallee, R.

“…Three-decibel reflecting Bragg gratings were made in buried reverse proton exchange lithium niobate waveguides with high-power femtosecond infrared radiation…”
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