Figure 5 | Scientific Reports

Figure 5

From: Generation of a single-cycle pulse using a two-stage compressor and its temporal characterization using a tunnelling ionization method

Figure 5

High-harmonic spectra generated in Ar using single-cycle laser pulses. High-harmonic spectra were generated while adjusting the insertion thickness of the glass wedges to control carrier-envelope phase (CEP). (a) CEP change with respect to the insertion thickness is shown above the graph. A single-cycle pulse with 45 μJ of energy was focused (f = 10 cm) onto the Ar-gas target. The peak intensity of the laser beam at the target is estimated to be 1.6 × 1014 W/cm2. (b) Comparison of high-harmonic spectra generated with CEPs of 2π (red line) and 2.5π (blue line).

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