News

Our “Grape Balls of Fire” work goes viral!

Coverage in over 100 online news outlets, including:

2023

June

Jeremy (PhD) and George (MSc) finally get their post-COVID grad convocation!

January

Congratulations to George for successfully defending his M.Sc. thesis! We wish him well as he pursues a career in industry.

2022

November

Congratulations to Yuchen and John for having their first paper published in AIP Advances.

August

Dear Leader's Painting in Polarization paper has made the cover of the American Journal of Physics; a group-first!

May

The whole group is attending Photonics North 2022 in Niagara Falls, ON. George is presenting a poster on his application of machine learning to hyperspectral CARS microscopy stacks. Yuchen is giving a talk on new calorimetric evidence for morphology-dependent microwave resonances in hydrogel beads.

2021

December 14

Aaron is giving a live Physics Today Editor Series Webinar titled “Microwave Fruit Photonics and the Shape of Water”. The train wreck begins at 10 AM EST. link

September

The Slepkov Biophotonics Lab welcomes graduate students John Shafe-Purcell and Shima Nikkah Fini.

August

Congratulations to Ryan Cole on successfully defending his PhD thesis!

April

Aaron and Prof. Rayf Shiell are co-recipients of a Trent University Educational Leadership and Innovation Award for the invention and development of Integrated Testlets.

January

The Slepkov Biophotonics Lab welcomes Yuchen Song as the newest member of the group. Yuchen is beginning a PhD in Materials Science and is sure to become our Microwave Master General in no time. He’s the first graduate student to be working on a project that has moved from our “mad science” bin to the funded bin.

2020

November

Aaron gives a virtual CAP Lecture presentation titled “Fruit Photonics and the Shape of Water" to the University of Winnipeg and the University of Manitoba. Thanks for the great audience, Manitoba!

September

The Slepkov Biophotonics Lab welcomes George Olaniyan as the newest member of the group. George is an MSc candidate in Materials Science.

2019

August

Congratulation to Jeremy Porquez on successfully defending his PhD thesis! Jeremy is the first PhD minted in our lab!

July

Check out Aaron's Science Breaker article, a layman explainer of the grape plasma phenomenon.
“Grape expectations: how balls of water can mimic metallic objects in the microwave oven”.
The Science Breaker, July 26, 2019.
https://doi.org/10.25250/thescbr.brk236

June 17-21

Aaron away at the 2019 conference on the Foundations and Frontiers of Physics Education Research (FFPER) in Bar Harbor, Maine.

March

Ryan, James, and Jeremy attended the first annual Trent Graduate Student Symposium (TGSS). Congratulations to Ryan for winning first place in the poster presentation and to Jeremy for winning second place in the oral presentation!

2017

October

Picture of fruit of the grape balls of fire! made the backscatter in the October issue of Physics Today.

September

Picture of fruit plasma (physalis) made September's Optics and Photonics News magazine's After Image section.

June 5

Our image of a physalis dimer forming plasma in a microwave oven is the Optics and Photonics News Image of the Week.

June

Our work on Spectral Surfing is now published in Optics Letters. Catch it here!

June

The entire group will be presenting talks and posters this year at Photonics North in Ottawa. Whether you are interested in learning about Spectral Surfing, mysterious NLO signals in living Euglenoids, or about Grape Balls of Fire, there will be something for everyone. We hope to see you there!

May

Jeremy and Aaron attend the Research Matters Pop-Up Research Park event, representing Trent University on Parliament Hill in Ottawa.

March 23

Dear Leader will be ripping apart the physics of the Ant Man film in the Physics Club’s 2017 Mistaken Movies Night. Cute Poster.

January 30

Jeremy and Aaron presented their work on Spectral Surfing in Photonics West 2016 at The Moscone Center, San Francisco, California, United States.

2016

November 9

Aaron is at the Gwenna Moss Centre for Teaching Effectiveness at the University of Saskatchewan to give three seminars/workshops on multiple-choice testing and integrated testlets.

October 31

Emily’s application note for CMC microsystems is now published. This article outlines how we use a hand-held thermal imager to study microwave optical modes in small aqueous dielectric spheres.

September 27

Congratulations to Jeremy and the whole team for the Biomedical Optics Express publication. This article represents our first all-in-house experimental CARS microscopy article. Our hyperspectral imaging capabilities are truly among the best in the world.

August 25

It's bittersweet to see long-time undergraduate group member Alan leave us to begin graduate work with Paul Corkum in Ottawa. Knock ‘em dead, Alan!

July 1

Congratulations to Dear Leader for securing both tenure and CRC renewal. Jeremy, Joel, and Ryan are excited at the prospects of affording some of the “premium” flip-mounts.

June 26

Jeremy presented a poster (Spectrally broad CARS hyper-microscopy with a single 800-nm laser source) in SPEC 2016.

February 8

Congratulations to Ryan Cole on passing his PhD conversion exam. Ryan is now both our most senior group member and newest PhD candidate!

2015

May 11

We'd like to give a warm welcome to our new PhD student, Jeremy Porquez.

April 20

Our laser-scanning microscope--assembled/hacked by the NRC in Ottawa--is now here! SHG and TPEF microscopy working? Check! Now to get CARS working....

January 30

Congratulations to Joel on his first paper! The first fully in-house spectroscopy paper from our lab, in fact!

2014

September 2

Congratulations to Joel for successfully defending his M.Sc. thesis! Looks like he is going to re-roll and join us for a PhD!

June 30

A new "Ask a scientist" response by Aaron now featured on the government's ask-a-scientist blog. Check it out.

June 23

Joel and Ryan are off to Extreme and Quantum Photonics Summer School at the University of Ottawa. Lunch with Bob Boyd is just a bonus!

April 22

Aaron's webinar on the various experimental approaches and light sources used for coherent Raman scattering microscopy is available for streaming on Photonics.com. In this webinar we describe the various laser systems needed for picosecond-CARS, multiplex-CARS, and spectral-focussing-based CARS.

April 1

This summer two NSERC USRA students will be joining the lab! We welcome back Ryan Cole and newcommer Alan Godfrey (aka The Good One).

2013

December

Our paper on Benford's Law and its use(lessness) for attacking multiple choice testbanks is receiving some notice from the popular media. See summaries and blurbs in MIT Technology Review, APS Physics Buzz Blog, Phys.org blog.

2012

November 25

Our work on geological applications of multimodal CARS microscopy (and recent publication in Geology) has been highlighted both in Phycis Today, and in C&EN magazines! These are the membership trade magazines for the American Physical and American Chemical Societies.

September 25

A new "Ask a scientist" response by Aaron now featured on the government's ask-a-scientist blog. Check out.

September

The lab is happy to welcome our first graduate student, Joel Tabarangao of the Philippines (via Singapore).

July 20

Now in the lab...one borrowed picosecond Mira900 oscillator. Thanks, Franco Gaspari (UOIT)!! Our first photonics equipment!!

June

12' X 5' optical table in place and equipment overhang installed! Not quite the summer job Kevin and Mike signed up for! (See Gallery for pics).