Near-field diffraction characteristics of a time-dependent Gaussian-shaped pulsed beam from a circular aperture

Hone-Ene Hwang; Gwo-Huei Yang; Pin Han

doi:10.1117/1.1539518

1 March 2003 Near-field diffraction characteristics of a time-dependent Gaussian-shaped pulsed beam from a circular aperture

Hone-Ene Hwang, Gwo-Huei Yang, Pin Han

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Optical Engineering, Vol. 42, Issue 3, (March 2003). https://doi.org/10.1117/1.1539518

The diffraction characteristics of a broadband light source from a circular aperture in the near field are theoretically clarified via a prompt and precise mathematical derivation. We provide a rigorous way of treating in the case of a time-dependent Gaussian-shaped pulsed beam passing through a circular aperture and give a more accurate and concrete criteria for judging the timing for the spectral red and blue shifts and the splitting of light distributions. In addition, the distortion of the space-time diffraction intensity distribution is also presented in detail. Hence, the results offer a clear understanding about the Gaussian beam quality of the output of optical resonator in the near-field diffraction.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Hone-Ene Hwang, Gwo-Huei Yang, and Pin Han "Near-field diffraction characteristics of a time-dependent Gaussian-shaped pulsed beam from a circular aperture," Optical Engineering 42(3), (1 March 2003). https://doi.org/10.1117/1.1539518

Published: 1 March 2003

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