Character of the Fresnel diffraction of an ultrashort-pulsed light of a grating

Huaisheng Wang; Changhe Zhou; Liren Liu

doi:10.1117/12.361148

8 September 1999 Character of the Fresnel diffraction of an ultrashort-pulsed light of a grating

Huaisheng Wang, Changhe Zhou, Liren Liu

Proceedings Volume 3862, 1999 International Conference on Industrial Lasers; (1999) https://doi.org/10.1117/12.361148
Event: International Symposium on Industrial Lasers, 1999, Wuhan, China

Abstract

We have derived the equations to describe the Fresnel diffraction of a grating under short-pulsed light illumination. Because a short-pulsed light contains many frequencies, the Fresnel diffraction of a grating under a short-pulsed light illumination is quite different from that under continuous wave illumination. For example Talbot self image at the Talbot distance may be different from the initial object. The density at the fractional Talbot distance under short-pulsed light illumination may not a constant while the intensity is a constant for the continuous wave. Our analyses are useful for the applications of short-pulsed light.

Citation Download Citation

Huaisheng Wang, Changhe Zhou, and Liren Liu "Character of the Fresnel diffraction of an ultrashort-pulsed light of a grating", Proc. SPIE 3862, 1999 International Conference on Industrial Lasers, (8 September 1999); https://doi.org/10.1117/12.361148

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