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Ali-hajimiri
Ultra-Thin Camera Creates Images Without Lenses

06-22-17

Professor Ali Hajimiri and colleagues have developed a new camera design that replaces the lenses with an ultra-thin optical phased array (OPA). The OPA does computationally what lenses do using large pieces of glass: it manipulates incoming light to capture an image. "Here, like most other things in life, timing is everything. With our new system, you can selectively look in a desired direction and at a very small part of the picture in front of you at any given time, by controlling the timing with femto-second—quadrillionth of a second—precision," says Professor Hajimiri. [Caltech story] [ENGenious silicon photonics feature]

Tags: EE research highlights MedE Ali Hajimiri

Rainbow-of-possibilities
A Rainbow of Possibilities

06-21-17

Professor Andrei Faraon, graduate student Ehsan Arbabi, and their colleagues have developed a metasurface or a sheet of material that can be altered on demand to exhibit properties not usually found in natural materials. For example, materials engineered at the nanoscale can control the dispersion of light and could be the basis of next-generation spectrometers and other imaging devices. [Caltech story]

Tags: APhMS research highlights Andrei Faraon Ehsan Arbabi

Daniel-lim
2017 Library Thesis Prize

06-20-17

Senior Daniel Lim has received the 2017 Library Friends' Senior Thesis Prize for his work on sculpting nanofilms with laser illumination. Lim's thesis, titled "Revolution in large-area curved surface lithography: Nanofilm sculpting by thermocapillary modulation," is based on experimental research he conducted over two years in the laboratory of Professor of Applied Physics, Aeronautics, and Mechanical Engineering Sandra M. Troian. "Our group has been working on thermocapillary sculpting of nanofilms for several years now,” says Troian. "Daniel advanced this concept by demonstrating an inverse projection method, which imbues the sculpting process with far greater versatility. Daniel is an exceptional student—a rare combination of superb talent, tremendous drive, utmost professionalism, and entrepreneurial chops. " [Caltech story]

Tags: APhMS honors research highlights MCE Sandra Troian Daniel Lim

2017-commencement-speaker-mae-jemison
123rd Commencement Ceremony

06-19-17

Caltech’s 123rd commencement ceremony was held on Friday June 16, 2017. The commencement speaker was Mae Jemison, an engineer, physician, and NASA astronaut. Looking up, she said, allows us to remember that there is more that connects us than divides us. "Connection to the greater universe is something I hope for you throughout your lives. Never forget to look up and keep the bigger picture in mind. Look up at the sky, the moon, the stars when you need to recharge. Let the gravity of Earth give you a warm hug when you're feeling low. Look up to remember what inspires you. Keep the sparkle in your eyes, keep it long past graduation." [Caltech story]

Tags: Commencement Mae Jemison

Marco-bernardi
"Hot" Electrons Move Faster Than Expected

06-15-17

For the first time, Marco Bernardi, Assistant Professor of Applied Physics and Materials Science, and colleagues have been able to directly observe the ultrafast motion of electrons immediately after they are excited with a laser—and found that these electrons diffuse into their surroundings much faster and farther than previously expected. "Our work shows the existence of a fast transient that lasts for a few hundred picoseconds, during which electrons move much faster than their room-temperature speed, implying that they can cover longer distances in a given time when manipulated with lasers," says Professor Bernardi. "This non-equilibrium behavior could be employed in novel electronic, optoelectronic, and renewable energy devices, as well as to uncover new fundamental physics." [Caltech story]

Tags: APhMS research highlights Marco Bernardi

Bevery-mckeon2
Professor McKeon Receives GSC Mentoring Award

06-14-17

The Caltech Graduate Student Council (GSC) has selected Professor Beverley McKeon as the recipient of the 2016-2017, GSC Mentoring Award. The GSC Teaching and Mentoring Awards recognize individuals “who have an extraordinary impact on Caltech graduate students through their roles as teachers and mentors.” Nominations submitted by graduate students, both within and outside of GALCIT, described her commitment as a mentor.  The nominations highlighted her attentiveness, inclusivity, and great support for students. 

Tags: honors GALCIT Beverley McKeon

Rob-phillips
A Quantitative Study of Living Matter

06-14-17

Rob Phillips, Fred and Nancy Morris Professor of Biophysics and Biology, has reinvents the Caltech freshman biology course. "I believe the most fascinating subject of our time is the quantitative study of living matter, trying to understand the living part of the world with the same precision as we have understood the inorganic world," he says. "Many students think of biology as a subject that is all about a variety of facts. I reject this viewpoint and in teaching this class I aimed to find an alternative to the 'death by powerpoint' approach." [Caltech story]

Tags: APhMS Rob Phillips

2017-chapman-award-chris-roh
Chris Roh Receives 2017 Richard B. Chapman Memorial Award

06-13-17

Chris Roh a graduate student working with Professor Morteza Gharib, is a recipient of the 2017 Richard B. Chapman Memorial Award. His doctorate research combined his childhood love for insect and his newly found passion in fluid mechanics, investigating hydrodynamics of dragonfly larvae’s jetting and honeybees’ surfing.. The Richard B. Chapman Memorial Award is given to an EAS graduate student in hydrodynamics who has distinguished himself or herself in research.

Tags: Morteza Gharib Richard B. Chapman Memorial Award Chris Roh honors GALCIT

2017-wiltz-manuel-alejandro-monge-osorio
Monge Osorio Wins Charles Wilts Prize

06-08-17

Manuel Alejandro Monge Osorio, advised by Professor Azita Emami is a winner of this year’s Charles Wilts Prize, for his doctoral thesis "Localization and Stimulation Techniques for Implantable Medical Electronics." The Charles Wilts Prize is awarded every year to a graduate student in Electrical Engineering for outstanding independent research.

Tags: EE honors MedE Wilts Prize Azita Emami Manuel Alejandro Monge Osorio

2017-wiltz-prize-changhong-zhao
Zhao Wins Charles Wilts Prize

06-07-17

Changhong Zhao, advised by Professor Steven Low is a winner of this year’s Charles Wilts Prize, for his doctoral thesis "Real-Time Load-Side Control of Electric Power Systems." The Charles Wilts Prize is awarded every year to a graduate student in Electrical Engineering for outstanding independent research.

Tags: EE honors CMS Wilts Prize Steven Low Changhong Zhao

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