Sub-radiance and the coherence limits of FEL

A. Gover; E. Dyunin

Sub-radiance and the coherence limits of FEL

School of Electrical Engineering

Research output: Contribution to conference › Paper › peer-review

Abstract

The e-beam and radiation wave dynamics in the radiating and non-radiating beam transport sections of Free Electron Lasers are analyzed in the collective regime by use of a single transverse mode linear response formulation. This is employed to derive conditions for coherent operation of seeded high gain FELs. It is shown that the level of incoherent self-amplified spontaneous emission (SASE) radiation power can be controlled by adjusting the plasma oscillation phase in the non-radiating beam transport sections preceding the FEL, and that at short wavelengths the FEL coherence is limited by energy noise (rather than current shot-noise), and ultimately by quantum noise.

Original language	English
Pages	174-177
Number of pages	4
State	Published - 2010
Event	32nd International Free Electron Laser Conference, FEL 2010 - Malmo City, Sweden Duration: 23 Aug 2010 → 27 Aug 2010

Conference

Conference	32nd International Free Electron Laser Conference, FEL 2010
Country/Territory	Sweden
City	Malmo City
Period	23/08/10 → 27/08/10

Cite this

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abstract = "The e-beam and radiation wave dynamics in the radiating and non-radiating beam transport sections of Free Electron Lasers are analyzed in the collective regime by use of a single transverse mode linear response formulation. This is employed to derive conditions for coherent operation of seeded high gain FELs. It is shown that the level of incoherent self-amplified spontaneous emission (SASE) radiation power can be controlled by adjusting the plasma oscillation phase in the non-radiating beam transport sections preceding the FEL, and that at short wavelengths the FEL coherence is limited by energy noise (rather than current shot-noise), and ultimately by quantum noise.",

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T1 - Sub-radiance and the coherence limits of FEL

AU - Gover, A.

AU - Dyunin, E.

PY - 2010

Y1 - 2010

N2 - The e-beam and radiation wave dynamics in the radiating and non-radiating beam transport sections of Free Electron Lasers are analyzed in the collective regime by use of a single transverse mode linear response formulation. This is employed to derive conditions for coherent operation of seeded high gain FELs. It is shown that the level of incoherent self-amplified spontaneous emission (SASE) radiation power can be controlled by adjusting the plasma oscillation phase in the non-radiating beam transport sections preceding the FEL, and that at short wavelengths the FEL coherence is limited by energy noise (rather than current shot-noise), and ultimately by quantum noise.

AB - The e-beam and radiation wave dynamics in the radiating and non-radiating beam transport sections of Free Electron Lasers are analyzed in the collective regime by use of a single transverse mode linear response formulation. This is employed to derive conditions for coherent operation of seeded high gain FELs. It is shown that the level of incoherent self-amplified spontaneous emission (SASE) radiation power can be controlled by adjusting the plasma oscillation phase in the non-radiating beam transport sections preceding the FEL, and that at short wavelengths the FEL coherence is limited by energy noise (rather than current shot-noise), and ultimately by quantum noise.

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SP - 174

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Y2 - 23 August 2010 through 27 August 2010

ER -

Sub-radiance and the coherence limits of FEL

Abstract

Conference

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