Thin lens equation for a real laser beam with weak lens aperture truncation

Haiyin Sun

doi:10.1117/1.601877

1 November 1998 Thin lens equation for a real laser beam with weak lens aperture truncation

Haiyin Sun

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Optical Engineering, Vol. 37, Issue 11, (November 1998). https://doi.org/10.1117/1.601877

The effects of a thin lens on a real laser beam with an M2 factor larger than 1 is theoretically studied. The effect of weak lens aperture truncation is considered by introducing an increment to the M2 factor. A new thin lens equation is derived. This equation is a simple and effective tool applicable to real laser beams, and can be used to estimate the phenomena of focal shift and change in focused spot size caused by weak lens aperture truncation. Two examples of applications are described.

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Haiyin Sun "Thin lens equation for a real laser beam with weak lens aperture truncation," Optical Engineering 37(11), (1 November 1998). https://doi.org/10.1117/1.601877

Published: 1 November 1998

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