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Showing 13 to 24 of 225 entries
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Analysis and removal of fracture damage during and subsequent to holey fiber cleaving.

Optics express

Huntington S, Lyytikainen K, Canning J.
PMID: 19461762
Opt Express. 2003 Mar 24;11(6):535-40. doi: 10.1364/oe.11.000535.

The damage caused by cleaving holey fibers is investigated as a function of cleaving force. Comparisons are made with standard optical fibers and holey fibers. Optimum cleaving forces are determined for a number of holey fiber air fractions and...

Evaluation of optical fiber microcell reactor for use in remote acid sensing.

Optics letters

Huyang G, Canning J, Aslund ML, Stocks D, Khoury T, Crossley MJ.
PMID: 20237609
Opt Lett. 2010 Mar 15;35(6):817-9. doi: 10.1364/OL.35.000817.

An optical fiber acid-sensor based on protonation of a porphyrin solution within a single-hole structured optical fiber is proposed and demonstrated. The liquid-core fiber acts as a microcell reactor, and changes in the spectral signature with acidification are detected....

The Impact of Neighborhood Context on Intragroup and Intergroup Robbery: The San Antonio Experience.

The Annals of the American Academy of Political and Social Science

Cancino JM, Martinez R, Stowell JI.
PMID: 19763224
Ann Am Acad Pol Soc Sci. 2009 May 01;623(1):12-24. doi: 10.1177/0002716208331029.

Guided by social disorganization theory, this article examines the influence of neighborhood characteristics on intragroup and intergroup robbery, net of spatial proximity in a predominantly native-born Latino/Mexican-origin city-San Antonio, Texas. From census tract and official police robbery data, the...

Transient and permanent gratings in phosphosilicate optical fibers produced by the flash condensation technique.

Optics letters

Canning J, Inglis HG.
PMID: 19862293
Opt Lett. 1995 Nov 01;20(21):2189. doi: 10.1364/ol.20.002189.

No abstract available.

Characterization of apodized fiber Bragg gratings for rejection filter applications.

Applied optics

Canning J, Psaila DC, Brodzeli Z, Higley A, Janos M.
PMID: 18264497
Appl Opt. 1997 Dec 20;36(36):9378-82. doi: 10.1364/ao.36.009378.

Apodized fiber Bragg gratings with > or = 30-dB sidelobe suppression +/-1 nm from the Bragg center wavelength are spatially characterized with side-scatter and side-diffraction techniques. Resonant side scatter is suppressed, indicating that little dispersion arises from reflections off...

The characteristic curve and site-selective laser excitation of local relaxation in glass.

The Journal of chemical physics

Canning J.
PMID: 15267986
J Chem Phys. 2004 May 22;120(20):9715-9. doi: 10.1063/1.1712970.

The so-called characteristic curve describing photosensitivity change is elaborated and shown to be a powerful tool for understanding and characterizing photosensitive growth both at a fundamental and practical level. It has been used successfully to diagnose when optimal hypersensitization...

Bismuth and erbium codoped optical fiber with ultrabroadband luminescence across O-, E-, S-, C-, and L-bands.

Optics letters

Luo Y, Wen J, Zhang J, Canning J, Peng GD.
PMID: 23381286
Opt Lett. 2012 Aug 15;37(16):3447-9. doi: 10.1364/OL.37.003447.

We report the first (to our knowledge) development of a Bi/Er/Al/P codoped germanosilica optical fiber showing ultrabroadband luminescence between 1000 and 1570 nm, covering O-, E-, S-, C-, and L-bands, when pumped by 532, 808, or 980 nm lasers....

Regenerated distributed Bragg reflector fiber lasers for high-temperature operation.

Optics letters

Chen R, Yan A, Li M, Chen T, Wang Q, Canning J, Cook K, Chen KP.
PMID: 23939090
Opt Lett. 2013 Jul 15;38(14):2490-2. doi: 10.1364/OL.38.002490.

This Letter presents distributed Bragg reflector (DBR) fiber lasers for high-temperature operation at 750°C. Thermally regenerated fiber gratings were used as the feedback elements to construct an erbium-doped DBR fiber laser. The output power of the fiber laser can...

Exposure and characterization of nano-structured hole arrays in tapered photonic crystal fibers using a combined FIB/SEM technique.

Optics express

Gibson B, Huntington S, Rubanov S, Olivero P, Digweed-Lyytikäinen K, Canning J, Love J.
PMID: 19498937
Opt Express. 2005 Oct 31;13(22):9023-8. doi: 10.1364/opex.13.009023.

This paper presents a technique to expose and characterize nano-structured hole arrays in tapered photonic crystal fibers. Hole array structures are examined with taper outer diameters ranging from 12.9 microm to 1.6 microm. A combined focused ion beam milling...

Writing and visualization of low-threshold type II Bragg gratings in stressed optical fibers.

Applied optics

Hill PC, Atkins GR, Canning J, Cox GC, Sceats MG.
PMID: 21060648
Appl Opt. 1995 Nov 20;34(33):7689-94. doi: 10.1364/AO.34.007689.

Type II phase gratings were produced by the use of holographic side writing in high-birefringence optical fibers with UV fluences of 0.06 J/cm(2) over 10 times lower than that previously reported for standard fibers. The grating growth, transmission and...

Basal Mild Dehydration Increase Salivary Cortisol After a Friendly Match in Young Elite Soccer Players.

Frontiers in physiology

Castro-Sepulveda M, Ramirez-Campillo R, Abad-Colil F, Monje C, Peñailillo L, Cancino J, Zbinden-Foncea H.
PMID: 30319450
Front Physiol. 2018 Sep 26;9:1347. doi: 10.3389/fphys.2018.01347. eCollection 2018.

A soccer match induce changes in physiological stress biomarkers as testosterone (T), cortisol (C), and testosterone:cortisol (T:C) ration. Hydration state may also modulate these hormones, and therefore may alter the anabolic/catabolic balance in response to soccer match. The role...

Clinical and functional outcomes of primary total knee arthroplasty: a South American perspective.

Arthroplasty today

Figueroa D, Calvo R, Figueroa F, Avilés C, Garín A, Cancino J.
PMID: 31516982
Arthroplast Today. 2019 Aug 23;5(3):358-361. doi: 10.1016/j.artd.2019.04.012. eCollection 2019 Sep.

BACKGROUND: The aim of this study was to report the clinical and functional outcomes as well as complications after primary total knee arthroplasty in a cohort of Chilean patients.METHODS: We retrospectively reviewed 191 total knee arthroplasties performed in 182...

Showing 13 to 24 of 225 entries