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ImPhys Colloquium | Emmanuel Bossy

ImPhys Colloquium | Emmanuel Bossy 08 June 2023 11:45 till 12:45 - Location: Classroom 1 (F205) | Add to my calendar Abstract Title: Some unconventional approaches in photoacoustic imaging In the first part of the talk, I will introduce the principles of biomedical photoacoustic imaging, an optical imaging modality that relies on the detection of acoustic waves. More specifically, I will describe the acoustic-resolution and the optical-resolution approaches, each associated to different biologically relevant situations, and discuss their advantages and limitations. In the second part of the talk, I will present some unconventional approaches developed in our laboratory, designed to go beyond some of the limitations of the more conventional approaches presented in the first part. In the acoustic-resolution regimes, I will discuss how blood flow may be exploited to both go beyond the acoustic diffraction limit and palliate limited-view visibility artefacts. In the optical-resolution regime, I will illustrate how photoacoustic microendoscopy may be performed through minimally invasive multimode fibers. Emmanuel Bossy Laboratoire Interdisciplinaire de Physique (LIPhy) CNRS - Univ. Grenoble Alpes, France

In Conversation With

In Conversation With, created by Deepesh Toshniwal and led by Marieke Kootte, is the accompanying interview series of the Numerical Analysis seminars . The goal of the interviews is to introduce the guests in an informal way and to share lessons learned during their career to current PhD students. In the run-up to each seminar, PhD-student Marieke Kootte interviews the guest speaker about his or her research, career, and personal life.

PowerWeb Institute lunch lecture: Unlocking the DER ‘coordination dividend’

There is good evidence of a ‘coordination dividend’ in power systems with high levels of distributed energy resources which depends on the coordination of those resources towards agreed common-good objectives. This lecture reviews mechanisms for coordination of both privately held and community owned DER assets, from direct power-systems control - through legal contracts and market mechanisms - to voluntary agreements, and the comparative risks and benefits of using each to realise this ‘coordination dividend’.

Presentation Night

During Presentation Night, X will be transformed into a grand performing and visual arts festival. There are showcases, exhibitions and performances by the students from our various Arts & Crafts courses and ticket hours.

Presentation Night 16 juni

Presentation Night is coming up again! Students at X have been learning new skills in the third and fourth quarters during various courses and ticket hours, such as dance, singing and playing a musical instrument. During Presentation Night, they will demonstrate these new skills to friends, family and visitors of X!

Makerspace open walk in afternoon with Delft Open Hardware

Join us for an exciting afternoon of hacking on open source hardware projects and enjoy a sizzling BBQ! This is our final event before the summer break, so let's make it an unforgettable one.

Victorita Dolean

"I’m very fond of problem solving: I couldn’t imagine myself without this on a daily basis."
Jennifer Scott

Jennifer Scott

“Go out, just try, and take advantage of opportunities when you can”

Stefanie Elgeti

"My advice to PhD students is to have fun: If something works, then go home and enjoy it."

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ImPhys Colloquium | Emmanuel Bossy

ImPhys Colloquium | Emmanuel Bossy 08 June 2023 11:45 till 12:45 - Location: Classroom 1 (F205) | Add to my calendar Abstract Title: Some unconventional approaches in photoacoustic imaging In the first part of the talk, I will introduce the principles of biomedical photoacoustic imaging, an optical imaging modality that relies on the detection of acoustic waves. More specifically, I will describe the acoustic-resolution and the optical-resolution approaches, each associated to different biologically relevant situations, and discuss their advantages and limitations. In the second part of the talk, I will present some unconventional approaches developed in our laboratory, designed to go beyond some of the limitations of the more conventional approaches presented in the first part. In the acoustic-resolution regimes, I will discuss how blood flow may be exploited to both go beyond the acoustic diffraction limit and palliate limited-view visibility artefacts. In the optical-resolution regime, I will illustrate how photoacoustic microendoscopy may be performed through minimally invasive multimode fibers. Emmanuel Bossy Laboratoire Interdisciplinaire de Physique (LIPhy) CNRS - Univ. Grenoble Alpes, France

In Conversation With

In Conversation With, created by Deepesh Toshniwal and led by Marieke Kootte, is the accompanying interview series of the Numerical Analysis seminars . The goal of the interviews is to introduce the guests in an informal way and to share lessons learned during their career to current PhD students. In the run-up to each seminar, PhD-student Marieke Kootte interviews the guest speaker about his or her research, career, and personal life.

PowerWeb Institute lunch lecture: Unlocking the DER ‘coordination dividend’

There is good evidence of a ‘coordination dividend’ in power systems with high levels of distributed energy resources which depends on the coordination of those resources towards agreed common-good objectives. This lecture reviews mechanisms for coordination of both privately held and community owned DER assets, from direct power-systems control - through legal contracts and market mechanisms - to voluntary agreements, and the comparative risks and benefits of using each to realise this ‘coordination dividend’.

Presentation Night

During Presentation Night, X will be transformed into a grand performing and visual arts festival. There are showcases, exhibitions and performances by the students from our various Arts & Crafts courses and ticket hours.

Presentation Night 16 juni

Presentation Night is coming up again! Students at X have been learning new skills in the third and fourth quarters during various courses and ticket hours, such as dance, singing and playing a musical instrument. During Presentation Night, they will demonstrate these new skills to friends, family and visitors of X!

Makerspace open walk in afternoon with Delft Open Hardware

Join us for an exciting afternoon of hacking on open source hardware projects and enjoy a sizzling BBQ! This is our final event before the summer break, so let's make it an unforgettable one.

Victorita Dolean

"I’m very fond of problem solving: I couldn’t imagine myself without this on a daily basis."
Jennifer Scott

Jennifer Scott

“Go out, just try, and take advantage of opportunities when you can”

Stefanie Elgeti

"My advice to PhD students is to have fun: If something works, then go home and enjoy it."
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Tracing ancient settlements in Colombia with remote sensing

A team of the LDE alliance (Leiden University, TU Delft, and Erasmus University Rotterdam) asked whether it might be possible to search for signs of ancient settlements in the jungle with affordable remote sensing techniques. For an expedition in a Colombian dense forest, the team, including remote sensing expert Felix Dahle of TU Delft, joined forces with archaeologists and drone experts from Colombia. In mountainous forests, drones provide affordable access to areas that would otherwise be unreachable from the ground. A LiDAR laser scanner already proved its value in coastal observation . The big question was whether LiDAR could bypass the many treetops. Trees reflect the laser, so it was crucial to fly close so it found its way through the foliage. The team mounted a highly portable LiDAR laser scanner to a drone and went on expedition nearby ancient terraces of the Tairona culture in the Sierra Nevada of Santa Marta. “We had to find the sweet spot. Close to the archaeological sites and still secure above the canopy”, says Felix Dahle. And it passed the test. The LiDAR laser scanner create a point cloud and a detailed 3D model of the landscape. “We were able to detect ancient terraces in the jungle. We discovered that we can scan through the forest when it is not too dense, but some areas remained unfathomable. We could also distinguish several types of vegetation, which might be of great use too to find undiscovered archaeological sites.”

PRELIFE consortium receives NWA funding to investigate the origin of life

The interdisciplinary research consortium PRELIFE has been awarded an NWA grant by the Dutch Research Council (NWO) to investigate the origin of life on Earth and in the universe, one of science’s greatest unsolved puzzles. The consortium will receive €6.7 million to explore this question and comprises scientists from sixteen universities and research institutes across the Netherlands.

Kwartetspel maakt seksisme bij politie bespreekbaar

IO alumnus Noortje Kwakernaak bezocht twee politiekantoren om er de rol van vrouwelijke agenten te onderzoeken. Ze merkte dat er wel eens sprake was van grove en seksistische humor. Om spelers over deze grappen te laten reflecteren, en misschien gedrag te veranderen, ontwikkelde ze een kwartetspel.

What trees teach us about sustainable production of materials

Trees are excellent teachers when it comes to making materials for load-bearing structures with as little resources and energy as possible. One of their secrets? When a tree grows, the direction of the wood grain adapts itself to fit the load that part of the tree is going to bear.

Exhale Sluitingsweek: A week of free events to say goodbye to Exhale and cosy up for Winter

De allerlaatste Exhale Week vindt plaats van 25 november tot 1 december en staat volledig in het teken van afscheid nemen van Exhale en het omarmen van de winter.

TIL student Laura Drechsel wins Q-Park thesis award

TIL student Laura Drechsel wins the 2024 Q-Park Student Award with her thesis called: Stories of Aging and Access - Exploring capabilities and challenges of accessibility for urban elderly through microstories. Her award-winning thesis can be found here .

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