Single-shot, high-repetition rate carrier-envelope-phase detection of ultrashort laser pulses
Chen Guo, Miguel Miranda, Ann-Kathrin Raab, Anne‐Lise Viotti, Paulo T. Guerreiro, Rosa Romero, Helder Crespo, A. L’Huillier, Cord L. Arnold
Abstract
We propose a single-shot, high-repetition rate measurement scheme of the carrier-envelope phase offset of ultrashort laser pulses. The spectral fringes resulting from f-2f nonlinear interferometry, encoding the carrier-envelope-phase, are evaluated completely optically via an optical Fourier transform. For demonstration, the carrier-envelope-phase of a 200 kHz, few-cycle optical parametric chirped-pulse amplification (OPCPA) laser system was measured employing an interferometer as a periodic optical filter. The proposed method shows excellent agreement with simultaneous measurement of the spectral fringes by a fast line-scan camera.