Tuesday, May 12, 2020So many things you can do with tilted fiber Bragg gratings (TFBG)….A quick look at publications from 2019-20 so far.... First, for work done entirely or mostly at Carleton: Fu Liu's PhD thesis deals with all optical dynamic effects obtained by putting active coatings on the cladding surface of tilted FBGs. His first paper in APL Photonics describes GHz rate all optical modulation of a... MoreTuesday, May 12, 2020News from the lab during COVID-19, still lots going on!A bit more time on my hands... so let's see what is new since last year. Hannah, Frédéric, and Tingting completed their stays in the lab and moved on, to grad school, continuing bachelor's degree in Montréal, and a Faculty position in China, respectively. We welcomed Xiaohong Bai, a new visiting PhD student from... MoreWednesday, May 29, 2019Spring arrivals and eventsWe welcomed a new research assistant for the Spring-Summer season in the APCLab: Frédéric St-Amand will work on fiber optic sensor systems and devices for various projects over the next 4 months. He is an undergraduate student in Engineering Physics at Ecole Polytechnique in Montréal. Fu and Tingting presented oral contributions at Photonics... MoreTuesday, April 2, 2019Optical Fibers Sensors Special issue paper in IEEE J. Lightwave TechnologyGreat news this week. Tingting's paper entitled "Integrated Differential Area Method for Variable Sensitivity Interrogation of Tilted Fiber Bragg Grating Sensors" has been accepted for publication in JLT's special issue on Optical Fiber Sensors. This issue publishes the best research from the 2018 OFS conference held in Lausanne last Fall,... MoreTuesday, March 26, 2019Mid-Winter news from the labGood news this week. Hannah's and Albane's paper entitled: Fiber Bragg Grating High Impact Force Sensors with Adjustable Sensitivity and Dynamic Range has been accepted in the IEEE Sensors Journal. I will post the link as soon as it becomes available online. Fu is getting ready to go to CLEO 2019 in San Jose... MoreTuesday, February 12, 2019Upcoming conferencesGreat news! Hannah Dinovitzer, our coop student from Carleton's Department of Mechanical and Aerospace Engineering will be presenting some of her results on "High-speed Fiber Bragg Grating sensor system for impact loading measurements in helmet safety testing", at the 2019 National Conference on Undergraduate Research (NCUR'19) in Atlanta,... MoreTuesday, January 8, 2019New Year Wishes and new project on Pipeline SecurityFirst of all, Happy New Year to everyone! I hope you will have a healthy, happy, and productive year in photonics research. Just before the holidays, we received the good news that we were awarded a NSERC Collaborative Research and Development grant to develop fiber optic sensor arrays for leak detection of pipelines over... MoreMonday, December 3, 2018Monday morning news for December 3 2018-Our joint paper with Jinan University and NRC in Ottawa in the journal "Light Science and Applications" about using plasmon-assisted tilted fiber Bragg gratings to monitor the state of charge of supercapacitors is identified as one of the Research Highlights described in the December 2018 issue of Nature Photonics. It is the second time... MoreSunday, November 25, 2018Friday morning news for November 23, 2018-Returning last weekend from Lima Peru, where I presented an invited talk at the LAOP 2018 conference (see Nov. 9th post), and attended several interesting presentations by researchers from around the world. Especially relevant to our projects were talks by Miguel Andrés, from the laboratory for fiber optics at the University of Valencia in... MoreSaturday, November 10, 2018Friday morning news for November 9, 2018This weekly post will become less formal and more personal... -Next week, Violeta and I will be in Lima, Peru, for the OSA Latin American Optics and Photonics conference (LAOP 2018), where I will present an invited talk entitled: "Multi-Resonant Optical Fiber Gratings for Hundred-Fold Improvements in Sensing Limits of Detection," co-authored by... MoreFriday, November 2, 2018Friday “morning” news for Nov. 2 2018-Good news this week, our NSERC application for an industry partnership grant with QPS Photronics (http://www.qpscom.com/) has been approved! Our project, entitled "Concrete structure safety monitoring systems" will investigate ways to detect problems with large infrastructures before they lead to major damage and potential loss of human... MoreFriday, October 26, 2018Friday morning news for Oct. 26th 2018Here I am, hoping to start a new good habit of posting to this site every Friday...Wish me luck! -Today we will be completing work on a Final project report for an NSERC Engage project with local company Biokinetics. Hannah and Albane completed the final tests on a rugged impact force sensor and it... MoreFriday, October 26, 2018Coop internship offer for undergraduate in Engineering or PhysicsA full-time paid internship is available for the Winter 2019 term in our lab. The intern will work on an advanced fiber optic sensor system to detect the onset of corrosion in the metal bars used to reinforce concrete in large structures, such as tall buildings and bridges. This work will involve the design... MoreThursday, August 2, 2018Monitoring Supercapacitors for Renewable Energy Storage SystemsOur recent collaboration on using Tilted Fiber Bragg Gratings to monitor the state of charge of supercapacitors has been selected as a newsbreak in EurekAlert, the scientific bulletin board of the AAAS. https://www.eurekalert.org/pub_releases/2018-07/cioo-abo072918.php... MoreMonday, April 16, 2018Upcoming conferences: Spring-Summer 2018Our students will soon be travelling with presentations by Hamed at Photonics North in Montreal (June) and BGPP (part of the OSA Advanced Photonics Congress in Zurich, Switzerland), where Sondos will also be presenting the main results from her soon to be finished PhD thesis. Jacques will also attend BGPP to present a Keynote... MoreMonday, April 16, 2018Winter and Spring 2018 conferencesProf. Chris Smelser, an APClab Faculty member from the School of Information Technology attended Photonics West in San Francisco this January to present a paper on Second harmonic generation in multilayered glass structures; and Jacques attended Europtrode 2018 at the end of March in Naples to present an invited talk on fiber optic biochemical... MoreMonday, April 16, 2018New web siteOur web site is being reborn with more information and timely news. Improvements will be made gradually over the next few... MoreSaturday, April 14, 2018Photonics NorthGroup members upcoming conferences. Sondos, Violeta, and Dingyi are going to Photonics North in Quebec City at the end of May to present some of their work. Jacques will present invited talks at the European Workshop on Optical Fiber Sensors (EWOFS 2016) in Limerick (Ireland) in the first week of June, then another one at... 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