MEASUREMENT OF PICOSECOND PULSE SHAPE AND BACKGROUND LEVEL
- 15 March 1971
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 18 (6), 249-251
- https://doi.org/10.1063/1.1653651
Abstract
The approximate shape and the background level of picosecond pulses from an Nd:glass laser have been determined by the measurement of a correlation function which is sensitive to pulse shape and asymmetry. A combination of second harmonic generation and a phase‐matched four‐photon parametric interaction was used to obtain the correlation function. The pulses were found to be symmetric with a mean width of 12 psec and have an average background level of 10−4.Keywords
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