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Title: Scaling of gain with energy spread and energy in the PEP FEL

Technical Report ·
DOI:https://doi.org/10.2172/7037749· OSTI ID:7037749

The Sag Harbor paper on the PEP FEL discusses the scaling of various FEL parameters with energy spread {sigma}{sub {var epsilon}}. I will repeat some of this material here and then examine the benefit of increasing the energy spread. How much energy spread can be achieved with damping wigglers is the next topic. Finally, I consider the dependence of gain and saturation length on beam energy and undulator field.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE; USDOE, Washington, DC (United States)
DOE Contract Number:
AC02-76CH00016
OSTI ID:
7037749
Report Number(s):
BNL-47803; CAP-85-92R; ON: DE92019248
Country of Publication:
United States
Language:
English