Aligning reflecting optics with Bessel beams

Robert E. Parks

doi:10.1117/12.2568569

20 August 2020 Aligning reflecting optics with Bessel beams

Robert E. Parks

Proceedings Volume 11488, Optical System Alignment, Tolerancing, and Verification XIII; 114880J (2020) https://doi.org/10.1117/12.2568569
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Abstract

Bessel beams have found use in the alignment of transmissive optics for some time. They are also used for the alignment of reflecting optics when used in the imaging mode, that is, when the wavefront is near spherical. However, there are cases where it would be useful to use the Bessel beam for alignment of far-off axis aspheres to order to get the asphere aligned close enough to its final position that light will go through the system in the imaging mode. In another mode, the Bessel beam is used to determine the normal to a free form surface.

Conference Presentation

Citation Download Citation

Robert E. Parks "Aligning reflecting optics with Bessel beams", Proc. SPIE 11488, Optical System Alignment, Tolerancing, and Verification XIII, 114880J (20 August 2020); https://doi.org/10.1117/12.2568569

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