A.P.~Zhukov, A.V.~Aleksandrov, and Y.~Liu, "Longitudinal Laser Wire at SNS", in Proc. 3rd International Beam Instrumentation Conference, Monterey, CA, USA, paper MOCYB3, pp. 12–15, ISBN: 978-3-95450-141-0, \url{http://jacow.org/IBIC2014/papers/mocyb3.pdf}, 2014.