Abstract

Summary form only given. The Smith-Purcell free electron laser (SP-FEL) is a potentially compact cw source of tunable mW THz radiation. To achieve this potential, the gain mechanism of the electron beam-electromagnetic wave interaction must be well understood. We report that the amplified spontaneous emission (ASE) behavior in the vicinity of the lasing threshold provides an important clue in this pursuit.

Full Text
Published version (Free)

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call