Optical sampling by laser cavity tuning

doi:10.1364/OE.18.001613

Optical sampling by laser cavity tuning

2010-01-13

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DOI：10.1364/OE.18.001613

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Most time-resolved optical experiments rely either on external mechanical delay lines or on two synchronized femtosecond lasers to achieve a defined temporal delay between two optical pulses. Here, we present a new method which does not require any external delay lines and uses only a single femtosecond laser. It is based on the cross-correlation of an optical pulse with a subsequent pulse from the same laser. Temporal delay between these two pulses is achieved by varying the repetition rate of the laser. We validate the new scheme by a comparison with a cross-correlation measurement carried out with a conventional mechanical delay line. (C) 2010 Optical Society of America

Keywords:

DELAY-LINE

COHERENCE TOMOGRAPHY

DYNAMICS

Optical sampling by laser cavity tuning

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