Optimal focusing conditions of lenses using Gaussian beams
Journal Article
·
· Optics Communications
- Centro de Investigaciones en Optica, A.C. (Mexico)
- Centro Nacional de Metrologia (Mexico)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
By using the analytical equations of the propagation of Gaussian beams in which truncation exhibits negligible consequences, we describe a method that uses the value of the focal length of a focusing lens to classify its focusing performance. In this study, we show that for different distances between a laser and a focusing lens there are different planes where best focusing conditions can be obtained and we demonstrate how the value of the focal length impacts the lens focusing properties. To perform the classification we introduce the term delimiting focal length. As the value of the focal length used in wave propagation theory is nominal and difficult to measure accurately, we describe an experimental approach to calculate its value matching our analytical description. Finally, we describe possible applications of the results for characterizing Gaussian sources, for measuring focal lengths and/or alternatively for characterizing piston-like movements.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- OSTI ID:
- 1340380
- Alternate ID(s):
- OSTI ID: 1354465
- Report Number(s):
- BNL--112564-2016-JA
- Journal Information:
- Optics Communications, Journal Name: Optics Communications Journal Issue: C Vol. 371; ISSN 0030-4018
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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