We propose a noniterative data inversion process for the phase retrieval by omega oscillating filtering method that could measure both isolated attosecond pulses and periodic optical arbitrary waveform (OAW). The built-in phase modulation depth recovery not only prevents the need of independent calibration (a critical advantage in the extreme ultraviolet regime) but provides a self-consistency check for the data integrity. Our experiments successfully retrieved OAW with ~100% duty cycle in the near infrared regime.
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- The presented direct model-based inversion (DMI) method for optical ultrasound (OpUS) showed significant improvements in image quality and speed, making it viable for other low channel-count imaging systems as well.
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