Section 1

Question 1

Section 1 Point 1

Answer 1

FELs emit x-rays at atomic scale wavelengths (1 angstrom)

Question 2

Section 1 Point 2

Answer 2

Electrons move through an undulator and oscillate and emit shortened wavelength radiation due to relativistis effects

Question 3

Section 1 Point 3

Answer 3

FELs can be high gain amplifiers or self-amplified

Question 4

Section 1 Point 4

Answer 4

Typical energy of 15GeV