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CREOL Student of the Year Finals 2008

Thursday, April 3, 2008 12:00 PM to 1:00 PM
CREOL 102/103

Each student will give a 12 minute talk with 3 minutes for questions. 

Florian Fournier: "Investigation of Freeform Surfaces in the Design of Efficient and Uniform Illuminators"

After a short review of fundamental principles in non-imaging optics, we discuss the performance of standard non-imaging components when used with LEDs. We show that freeform components can overcome the limitations of standard non-imaging devices and allow more compact designs. Finally, we present a method using pinhole camera images to analyze the performance of freeform components and guide the design process.

Franklyn Quinlan: "Self-Stabilization of the Optical Frequencies and Pulse Repetition Rate in a Coupled Optoelectronic Oscillator"

A self-stabilized coupled optoelectronic oscillator is described where a single intracavity etalon is used for optical supermode selection, optical frequency stabilization and repetition rate determination and stabilization. This results in 190 10.24 GHz-spaced stabilized optical frequency comb lines for coherent communication and signal processing applications.

Georgios Siviloglu: "Observation of Accelerating Airy Beams"

We report the first observation of Airy optical beams. This intriguing class of wave packets, initially predicted by Berry and Balazs in 1979, has been realized in both one- and two-dimensional configurations. As demonstrated in our experiments, these Airy beams can remain diffraction-free over long distances while they tend to freely accelerate during propagation. 

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