The coherent artifact in modern pulse measurement

Michelle Rhodes; Günter Steinmeyer; Justin Ratner; Rick Trebino

doi:10.1117/12.2003302

15 March 2013 The coherent artifact in modern pulse measurement

Michelle Rhodes, Günter Steinmeyer, Justin Ratner, Rick Trebino

Proceedings Volume 8611, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIII; 86110R (2013) https://doi.org/10.1117/12.2003302
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

We study multi-shot intensity-and-phase measurements of unstable trains of ultrashort pulses using spectral-phase interferometry for direct electric-field reconstruction (SPIDER), second harmonic generation (SHG) frequency-resolved optical gating (FROG), polarization gate (PG) FROG, and cross-correlation FROG (XFROG). An analytical calculation suggests that SPIDER cannot indicate instability in pulse trains well. Simulations confirm this and demonstrate that SPIDER only measures the coherent artifact. Further, the presence of instability cannot be distinguised from benign misalignment effects in SPIDER. FROG methods suggest instability by exhibiting clear disagreement between measured and retrieved traces.

Citation Download Citation

Michelle Rhodes, Günter Steinmeyer, Justin Ratner, and Rick Trebino "The coherent artifact in modern pulse measurement", Proc. SPIE 8611, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIII, 86110R (15 March 2013); https://doi.org/10.1117/12.2003302

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