Brookhaven Lecture

"418th Brookhaven Lecture: 'Bright Photon Beams: Developing New Light Sources'"

Presented by Timur Shaftan, National Synchrotron Light Source Department

Wednesday, October 18, 2006, 4:00 pm — Berkner Hall Auditorium

The NSLS-II project will establish a third-generation light source at Brookhaven Lab, increasing beam-line brightness by 10,000. Achieving and maintaining this will involve tightly focusing the electron beam, providing the most efficient insertion devices, and achieving and maintaining a high electron current. In this talk, the various sub-systems of NSLS-II will be reviewed, and the requirements and key elements of their design will be discussed. In addition, the a small prototype of a light source of a different kind that was developed by the NSLS will also be discussed. It is a short-wavelength free electron laser (FEL), which is a promising way to realize diffraction-limited brightness combined with femtosecond-short pulses. At BNL, a deep ultraviolet FEL was successfully commissioned in 2001, and, soon thereafter, lasing in the UV and DUV was achieved. In this talk, the steps taken in FEL commissioning, the characterization of the FEL output, new ideas about manipulating it, and the discovery of a new phenomenon in the physics of bright electron beams will all be reviewed.

Hosted by: Fulvia Pilat and Brant Johnson

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