Search Results - "Collins, Stephen F"

Light conducting photocatalytic membrane for chemical-free fouling control in water treatment by Nyamutswa, Lavern T., Zhu, Bo, Collins, Stephen F., Navaratna, Dimuth, Duke, Mikel C.

“…This work shows for the first time the convenient in-situ UV illumination of a titanium dioxide (TiO2) photocatalytic membrane via a sintered porous glass…”
Get full text

Non-Destructive Three-Dimensional Optical Imaging of a Fiber Bragg Grating by Xiao Ming Goh, Shan Shan Kou, Kouskousis, Betty P., Dragomir, Nicoleta M., Collins, Stephen F., Baxter, Greg W., Roberts, Ann

“…Here, we demonstrate a non-destructive quantitative phase imaging method, in conjunction with tomographic reconstruction techniques, to reconstruct the…”
Get full text

Metal-Organic-Framework-Coated Optical Fibers as Light-Triggered Drug Delivery Vehicles by Nazari, Marziyeh, Rubio-Martinez, Marta, Tobias, Gerard, Barrio, Jorge Pérez, Babarao, Ravichandar, Nazari, Fatemeh, Konstas, Kristina, Muir, Benjamin W., Collins, Stephen F., Hill, Anita J., Duke, Mikel C., Hill, Matthew R.

“…Physical delivery of anticancer drugs in controlled anatomic locations can complement the advances being made in chemo‐selective therapies. To this end, an…”
Get full text

Methods for Broadband Spectral Analysis: Intrinsic Fluorescence Temperature Sensing as an Example by Zhang, Weiwei, Wang, Guoyao, Baxter, Greg W., Collins, Stephen F.

“…A systematic study was performed on the temperature-dependent fluorescence of (Ba,Sr)2SiO4:Eu2+. The barycenter and extended intensity ratio techniques were…”
Get full text

UiO-66 MOF end-face-coated optical fiber in aqueous contaminant detection by Nazari, Marziyeh, Forouzandeh, Mohammad Ali, Divarathne, Chamath M, Sidiroglou, Fotios, Martinez, Marta Rubio, Konstas, Kristina, Muir, Benjamin W, Hill, Anita J, Duke, Mikel C, Hill, Matthew R, Collins, Stephen F

“…Optical quality metal organic framework (MOF) thin films were integrated, for the first time, to the best of our knowledge, with structured optical fiber…”
Get more information

Spectral analysis for broadband fluorescence: temperature sensing with the YAG:Ce phosphor as an example by Zhang, Weiwei, Wang, Guoyao, Cai, Zibo, Baxter, Greg W., Collins, Stephen F.

“…Temperature-dependent fluorescence of YAG:Ce was studied as an example of a spectral characterization method. According to the steady-state emission at various…”
Get full text

Sunlight-Transmitting Photocatalytic Membrane for Reduced Maintenance Water Treatment by Nyamutswa, Lavern T, Hanson, Blair, Navaratna, Dimuth, Collins, Stephen F, Linden, Karl G, Duke, Mikel C

“…Membranes remove contaminants from drinking water but require routine cleaning with harsh chemicals that are less conveniently accessed, handled, and disposed…”
Get full text

A Circuit Model of Real Time Human Body Hydration by Asogwa, Clement Ogugua, Teshome, Assefa K., Collins, Stephen F., Lai, Daniel T. H.

“…Changes in human body hydration leading to excess fluid losses or overload affects the body fluid's ability to provide the necessary support for healthy…”
Get full text

Uniformly thinned optical fibers produced via HF etching with spectral and microscopic verification by Bal, Harpreet K, Brodzeli, Zourab, Dragomir, Nicoleta M, Collins, Stephen F, Sidiroglou, Fotios

“…A method for producing uniformly thinned (etched) optical fibers is described, which can also be employed to etch optical fibers containing a Bragg grating…”
Get more information

Quantitative investigation of the refractive-index modulation within the core of a fiber Bragg grating by Kouskousis, Betty P, Rollinson, Claire M, Kitcher, Daniel J, Collins, Stephen F, Baxter, Greg W, Wade, Scott A, Dragomir, Nicoleta M, Roberts, Ann

“…A comparison is made between the modeled and experimentally determined microscopic images of a type I Bragg grating produced in the core of an optical fiber…”
Get full text

Modeling of Gold Circular Sub-Wavelength Apertures on a Fiber Endface for Refractive Index Sensing by Nguyen, Huy, Baxter, Gregory W., Collins, Stephen F., Sidiroglou, Fotios, Roberts, Ann, Davis, Timothy J.

“…A finite-difference time-domain approach was used to investigate the excitation of surface plasmons of the circular sub-wavelength apertures on an optical…”
Get full text

Confirmation of temperature independence in the fluorescence lifetime of the 3P0→3F2 transition in praseodymium-doped fluoride glass by Nguyen, Thinh B., Vella, Vince, Baxter, Greg W., Collins, Stephen F., Newman, Peter J., MacFarlane, Douglas R.

“…The dependence of the fluorescence lifetime from the 3P0→3F2 transition in praseodymium-doped fluoride glass as a function of dopant concentration and…”
Get full text

Use of cross-relaxation for temperature sensing via a fluorescence intensity ratio by Zhang, Weiwei, Collins, Stephen F., Baxter, Greg W., Sidiroglou, Fotios, Duan, Changkui, Yin, Min

“…•Cross-relaxation between the 5D0-7F1 and 7F1-5D0 transitions of Eu3+ at D3 and C3v sites respectively dominates the temperature dependent fluorescence of the…”
Get full text

Dependence of the fluorescence lifetime on dopant concentration and temperature in praseodymium-doped fluoride glass by Nguyen, Thinh B., Trpkovski, Steven, Farrell, Peter M., Baxter, Greg W., Collins, Stephen F.

“…The effects of temperature and concentration on the fluorescence lifetime of the 3 P 0 excited state in praseodymium-doped ZBLAN glass were studied. Above a…”
Get full text

Cross-relaxation in praseodymium-doped fluorozirconate glass by Petreski, Bill P, Farrell, Peter M, Collins, Stephen F

“…The lifetime of the 3P 0 state in praseodymium-doped fluorozirconate in bulk glass was measured for varying dopant concentrations. From these measurements and…”
Get full text

Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibers under 980 nm excitation by Simpson, D A, Gibbs, W E, Collins, S F, Blanc, W, Dussardier, B, Monnom, G, Peterka, P, Baxter, G W

“…The spectroscopic properties of Tm(3+)/Yb(3+) co-doped silica fibers under excitation at 980 nm are reported. Three distinct up-conversion fluorescence bands…”
Get full text

Blue light-emitting-diode-pumped point temperature sensor based on a fluorescence intensity ratio in Pr3+: ZBLAN glass by Maurice, Eric, Monnom, Gerard, Baxter, Greg W., Wade, Scott A., Petreski, Bill P., Collins, Stephen F.

Get full text

Non-linear temperature dependence of Bragg gratings written in different fibres, optimised for sensor applications over a wide range of temperatures by Pal, Suchandan, Sun, Tong, Grattan, Kenneth T.V., Wade, Scott A., Collins, Stephen F., Baxter, Gregory W., Dussardier, Bernard, Monnom, Gérard

“…Temperature measurements have been made by using fibre Bragg gratings (FBGs) written in a range of fibres and detailed data on their characteristics are…”
Get full text

Energy transfer up-conversion in Tm3+-doped silica fiber by Simpson, David A., Baxter, Gregory W., Collins, Stephen F., Gibbs, W.E.K., Blanc, Wilfried, Dussardier, Bernard, Monnom, Gérard

“…A study of the mechanisms responsible for the infra-red to near infra-red up-conversion in Tm3+-doped silica fibers is presented. Upconversion luminescence was…”
Get full text

Investigation of the photosensitivity, temperature sustainability and fluorescence characteristics of several Er-doped photosensitive fibers by Shen, Y.H, Pal, S, Mandal, J, Sun, T, Grattan, K.T.V, Wade, S.A, Collins, S.F, Baxter, G.W, Dussardier, B, Monnom, G

“…Three different types of Er doped photosensitive fibers, germanium/erbium (Ge/Er) fiber, tin/germanium/erbium fiber (Sn/Er) and antimony/germanium/erbium fiber…”
Get full text