Dimitrios Tzarouchis

Senior R&D Scientist | @Penn, | @AaltoUniversity, ECR @URSI_radio Com B - my own opinions!!! 🏳️‍🌈

[Dimitrios Tzarouchis @Dimi_Tz]

The comet and the Meteora

[Dimitrios Tzarouchis @Dimi_Tz]

Dear Optica Photonic Metamaterials Members and Friends! The next webinar is here!

Today, Prof. Romain Fleury (EPFL) will discuss the fascinating world of Topological Scattering: From Graphs to Networks.

May 18th, 2023 - 10:00 (EDT) (16:00 (CET))
https://t.co/qp56tyOf4U

[Dimitrios Tzarouchis @Dimi_Tz]

Wanna learn about Chirality and PT symmetry! In about an hour (11:00am EDT) today - register free below!

[Dimitrios Tzarouchis @Dimi_Tz]

Dear Photonic Metamaterials friends

Tomorrow, 11:00am EDT, the next webinar on Chirality and PT symmetry by Prof. Maria Kafesaki @FORTH_ITE

Free reg here:
https://t.co/arLkEvbv5q

[Dimitrios Tzarouchis @Dimi_Tz]

Dear Photonic Metamaterials friends

Tomorrow, 11:00am EDT, the next webinar on Chirality and PT symmetry by Prof. Maria Kafesaki @FORTH_ITE

Free reg here:
https://t.co/arLkEvbv5q

[Dimitrios Tzarouchis @Dimi_Tz]

Dear Photonic Metamaterials friends

Tomorrow, 11:00am EDT, the next webinar on Chirality and PT symmetry by Prof. Maria Kafesaki @FORTH_ITE

Free registration!
Join here:
https://t.co/lPYmMG3ZR5 via @OpticalSociety

[Nader Engheta @NaderEngheta]

My perspective article on 4D optics was published in Science today. For details, please see: N. Engheta, "Four-dimensional optics using time-varying metamaterials" Science, 379 (6638), pp. 1190-1191, March 24, 2023: https://t.co/hOeqOnezTE

[Gianluca Sbardella @g_sbardella]

MDPI journals have been included in the list of predatory journals. It was about time. https://t.co/sIJ78bPtbB

[Dimitrios Tzarouchis @Dimi_Tz]

Wow, congrats, dear Prof. @NaderEngheta - You are a true inspiration for all of us!!!

[Nader Engheta @NaderEngheta]

I am deeply honored and humbled. https://t.co/dtqsDxHQBv

[Dimitrios Tzarouchis @Dimi_Tz]

Today! In less than an hour! The first webinar of 2023 feat. Prof. N. Litchinitser (Duke) on Structured Light and Darkness in Nanophotonics

Join here for free:
https://t.co/R4IrUIarUd

@OpticaTechGroup @OpticaWorldwide #MetamaterialsTG #Metamaterials #DukeUniversity

[Dimitrios Tzarouchis @Dimi_Tz]

Essentially this is the sum of the corresponding triangular segments of this polygon (for n=1 we have a triangle!!!)

Vector algebra never ceases to amaze!

[Keenan Crane @keenanisalive]

Need the area of a broken polygon?

Don't bother fixing it.

Just sum up the cross product of the two endpoints, and divide by two.

[Here u × v := u₁v₂ − u₂v₁. Works even if the polygon is nonconvex. Caveat: all segments must point counter-clockwise, since u × v = −v × u!]

[Dimitrios Tzarouchis @Dimi_Tz]

Sneak peek into opaque materials for imaging and computing featuring @sylvaingigan!

Join here
https://t.co/rxmpQm5GQe

In about an hour!

[Dimitrios Tzarouchis @Dimi_Tz]

Dear Photonic Metamaterials Friends!

Tomorrow, Prof. S. Gigan @sylvaingigan (Sorbonne U) will discuss imaging and computing with opaque media! Join us!

Time: Thu 17 Nov 15:00 (UTC)

Free registration: https://t.co/rxmpQm5GQe

@OpticaTechGroup

[Dimitrios Tzarouchis @Dimi_Tz]

Dear Photonic Metamaterials Friends!

Tomorrow, Prof. S. Gigan @sylvaingigan (Sorbonne U) will discuss imaging and computing with opaque media! Join us!

Time: Thu 17 Nov 15:00 (UTC)

Free registration: https://t.co/rxmpQm5GQe

@OpticaTechGroup

[Nader Engheta @NaderEngheta]

The University of Pennsylvania has issued a statement about the current events in Iran. https://t.co/GR5BTwfypb

[Simons Collaboration Extreme Wave Phenomena @Simons_Wave_Lab]

Event coming soon! @asrc_gc
#cuny #photonics #science

[Dimitrios Tzarouchis @Dimi_Tz]

Photonic Metamaterial Friends!
Wanna learn about Hyperuniform Disordered Materials?
by Prof. Salvatore Torquato from @Princeton

Tomorrow, Wednesday 28/09 at
13:00 New York
19:00 Paris time
01:00 (29/09) Shanghai time.

Free registration here: https://t.co/aU9q8EnWhz

[Dimitrios Tzarouchis @Dimi_Tz]

I second that - a must read for engineers/physicists in general!

[Kosta Derpanis (sabbatical in Zurich) @CSProfKGD]

On the topic of books, I highly recommend Gilbert Strang, Linear Algebra and Its Applications.

Must read for #computervision researchers.

[Dimitrios Tzarouchis @Dimi_Tz]

Dear photonic metamaterial friends!

Learn about Disordered Hyperuniform Materials and their novel optical properties from Prof. Salvatore Torquato @Princeton
Wednesday 28/09
13:00 New York
19:00 Paris time
01:00 Shanghai time.

@OpticaWorldwide #OpticaMetamaterialsTG

[Cristina Benea-Chelmus @BeneaChelmus]

Registration here: https://t.co/CjkNsXuAkV

[Dimitrios Tzarouchis @Dimi_Tz]

Our new theoretical work on reconfigurable metadevices just appeared @LightSciAppl

We carve the path for the experimental implementation of "metadevices" for reconfigurable analog wave-based computing!

More details to come - Stay tuned!

@NaderEngheta @ESEatPenn

[LightSciAppl @LightSciAppl]

#LSA_Highlight: [Original Article] Mathematical operations and equation solving with reconfigurable metadevices. @Penn @unccharlotte #Metamaterials #Nanophotonics_and_plasmonics #Photonic_devices
https://t.co/OruyVP9qCN

[Dimitrios Tzarouchis @Dimi_Tz]

Dear NY friends - "The Night Just Before the Forests" by Bernard-Marie Koltès

"A night-time odyssey through the underbelly of the city" performed by the exceptional @LazarosTheodor6
on 30 Sep & OCT 1, 2, 3, 7, 8, 9

Your tickets here
https://t.co/sQa3ZtUGcz

See y'all there!

[Lazaros Theodorakopoulos @LazarosTheodor6]

“The Night Just Before the Forests” a play by Bernard-Marie Koltès, translated by Amin Erfani. A solo performance by @LazarosTheodor6, directed by @BillBowersMime.

30 SEP & OCT 1, 2, 3, 7, 8, 9

@ the Archdiocesan Hellenic Cultural Center in New York City.

[Dimitrios Tzarouchis @Dimi_Tz]

@alexporfiriadis @ACSPhotonics σημ: ειναι *εξαιρετικά. Επίσης, το μηχάνημα αυτό ανήκει στην κατηγοριά "unconventional/next-gen computing systems" για αναλογικούς υπολογισμούς - σε συνδυασμο με digital συστήματα μπορεί να κανει πολυ-πολύ γρήγορους υπολογισμούς παράλληλα και με μικροτερο ενεργειακό κόστος...

[Dimitrios Tzarouchis @Dimi_Tz]

Analog computing with em waves!!!

Check our latest work (of many to come) in @ACSPhotonics (dedicated issue on inverse design in photonics)

"Inverse-Designed Metastructures Together with Reconfigurable Couplers to Compute Forward Scattering" https://t.co/8k1g3P0Tlr

[Dimitrios Tzarouchis @Dimi_Tz]

@alexporfiriadis @ACSPhotonics Ευχαριστώ! Το κανω λιανά - σχεδιάσαμε ενα "μηχανάκι" (metadevice) που μπορεί να λύσει εξισώσεις (φυσικό πρόβλημα/σκέδαση) χρησιμοποιώντας ηλεκτρομαγνητικά κύματα: (α) η λυση προκυπτει εξεραιτικά γρηγορα (ταχύτητα φωτός!) (β) λυνουμε το συστημα παράλληλα (π.χ. σύστημα 5 εξισωσεων)