CERN Accelerating science

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1.
An Experimental Test of Superradiance in a Single Pass Seeded FEL / Watanabe, T ; Liu, D F L ; Murphy, J B ; Rose, J ; Shaftan, T V ; Shen, Y ; Tsang, Thomas ; Wang, X J ; Yu, L H
The SDL facility at BNL[1] is an excellent platform to explore some of the recent ideas related to superradiance in a seeded single pass FEL. At the SDL facility there is an operating FEL with a Ti:Sapphire seed laser and a high brightness e-beam with an energy up to 250 MeV. [...]
2005 External link: Published version from JACoW
In : 27th International Conference on Free Electron Lasers, Palo Alto, CA, USA, 21 - 26 Aug 2005, pp.526
2.
Experimental Characterization of the Seeded FEL Amplifier at the BNL SDL / Watanabe, T ; Liu, D F L ; Murphy, J B ; Rose, J ; Shaftan, T V ; Tsang, Thomas ; Wang, X J ; Yu, L H
A laser seeded near IR FEL amplifier experiment was initiated at the BNL SDL [1] to explore various schemes of FEL efficiency improvement and generation of short Rayleigh length (SRL) FEL output. The FEL achieved first SASE lasing at 0.8 μm on May 6, 2005. [...]
2005 External link: Published version from JACoW
In : 27th International Conference on Free Electron Lasers, Palo Alto, CA, USA, 21 - 26 Aug 2005, pp.98
3.
Short Rayleigh Range Free Electron Laser Amplifiers / Yu, L H ; Liu, D F L ; Murphy, J B ; Rose, J ; Shaftan, T V ; Wang, X J ; Watanabe, T
An important requirement for a high average power laser system is a manageable power density on the first optical element. One possibility to achieve this is a single pass amplifier which generates a short Rayleigh range (SRL) light beam. [...]
2005 External link: Published version from JACoW
In : 27th International Conference on Free Electron Lasers, Palo Alto, CA, USA, 21 - 26 Aug 2005, pp.e-proc. TUPP044
4.
Design Study of a Compact Megawatt Class FEL Amplifier Based on the VISA Undulator / Watanabe, T ; Liu, D F L ; Murphy, J B ; Pinayev, I P ; Rose, J ; Shaftan, T V ; Skaritka, J ; Tanabé, T ; Tsang, Thomas ; Wang, X J et al.
The design of a Short Rayleigh Length (SRL) FEL amplifier based on the strong focusing VISA undulator [1] is presented in this study. The SRL FEL amplifier will be operating in the IR (0.8 - 1 μm), and consists of a two-meter VISA undulator with a peak seed laser power of about 1 kW. [...]
2005 External link: Published version from JACoW
In : 27th International Conference on Free Electron Lasers, Palo Alto, CA, USA, 21 - 26 Aug 2005, pp.320
5.
Radiation Spectrum Statistics in a High-Gain Free-Electron Laser at 266 nm / Shaftan, T V ; Krinsky, S ; Liu, D F L ; Murphy, J B ; Rose, J ; Wang, X J ; Watanabe, T ; Yu, L H
We discuss analysis of an experiment with High-Gain Harmonic Generation Free Electron Laser at BNL (DUV FEL). The tunability concept [1] of a seeded FEL with a fixed seed wavelength has been verified experimentally. [...]
2005 External link: Published version from JACoW
In : 27th International Conference on Free Electron Lasers, Palo Alto, CA, USA, 21 - 26 Aug 2005, pp.220
6.
Electro-Optic Longitudinal Electron Beam Diagnostic at SDL / Loos, H ; Doyuran, A ; Murphy, J B ; Rose, J ; Shaftan, T ; Sheehy, B ; Shen, Y ; Skaritka, J ; Wang, X J ; Wu, Z et al.
2003 - 3 p. External link: Published version from JACoW
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.2455
7.
A Preliminary Study of Carbon Nanotubes as an High Quality E-Beam Souce for the Advanced Accelerators, FELs and Low Energy E-beam Irradiator / Han, Y H ; Lim, Y K ; Lee, B C ; Lee, T J ; Lee, C J
2004
In : 3rd Asian Particle Accelerator Conference, Gyeongju, Korea, 22 - 26 Mar 2004
8.
First Results from the DUV-FEL Upgrade at BNL / Wang, Xijie ; Loos, Henrik ; Murphy, James ; Pinayev, Igor ; Rakowsky, George ; Rose, James ; Shaftan, Timur ; Sheehy, Brian ; Skaritka, John ; Wu, Zilu et al.
The DUV-FEL at BNL is the world’s only facility dedicated to laser-seeded FEL R&D; and its applications. Tremendous progress was made in both HGHG FEL and its applications in the last couple years.*,** In response to the requests of many users to study chemical science at the facility, the DUV-FEL linac was upgraded from 200 to 300 MeV to enable the HGHG FEL to produce 100 uJ pulses of 100 nm light. [...]
2005
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.e-proc. TOAB003
9.
Experimental Demostration of Wavelength Tuning in High-Gain Harmonic Generation Free Electron Laser / Shaftan, Timur ; Johnson, Erik ; Krinsky, Sam ; Loos, Henrik ; Murphy, James ; Rakowsky, George ; Rose, James ; Sheehy, Brian ; Skaritka, John ; Wang, Xijie et al.
We present experimental results on tuning of the HGHG FEL output wavelength while holding the input seed wavelength constant. Using compression of the initially chirped beam in the HGHG dispersion section we have measured the wavelength shift of about 1% around the nominal value of 266 nm. [...]
2004 External links: Published contribution from JACoW; Published presentation from JACoW
In : 26th International Free Electron Laser Conference and 11th FEL User Workshop 2004, Trieste, Italy, 29 Aug - 3 Sep 2004, pp.e-proc. WEAIS01
10.
Q switching the flash Ti:Sapphire laser / Cone, K
SLAC-TN-2003-009.
- 2003. - 16 p.
Fulltext from SLAC

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