We present spectral-encoding of the relative delay between a soft x-ray FEL pulse and an optical laser. We measure a sub-10 fs x-ray induced modulated optical transmission that indicates a sub-10 fs RMS measurement error.
© 2012 OSA
(320.7100) Ultrafast optics : Ultrafast measurements
(340.7480) X-ray optics : X-rays, soft x-rays, extreme ultraviolet (EUV)
(120.4825) Instrumentation, measurement, and metrology : Optical time domain reflectometry
M. R. Bionta, J. Cryan, J. M. Glownia, D. French, C. Bostedt, M. Cammarrata, J. Castagna, Y. Ding, S. Durbin, Y. Feng, A. Fry, D. J. Kane, J. Krzywinski, H. Lemke, M. Messerschmidt, A. Natan, D. Ratner, S. Schorb, M. Swiggers, M. Trigo, W. White, and R. Coffee, "Sub-10 fs RMS Measurement of X-Ray/Optical Delay," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper QTu2H.5.
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