Single shot telecentricity measurement by Fourier space grid separation

Autor:	Heiko Meyer, Marko Heidrich, Moritz Hitzemann, Georgios C. Antonopoulos, Raoul-Amadeus Lorbeer, Tammo Ripken
Rok vydání:	2015
Předmět:	Physics Laser scanning Field (physics) medicine.diagnostic_test business.industry Physics::Optics Laser Atomic and Molecular Physics and Optics law.invention Wavelength Quality (physics) Optics law Frequency domain medicine Optical tomography business Beam splitter
Zdroj:	Optics express. 23(5)
ISSN:	1094-4087
Popis:	The experimental documentation of the properties of an optical system represents a particular challenge. Besides the measurement of focal quality and field distortions, telecentric systems have to yield a parallel beam propagation direction. In this paper we propose a method to test, document and optimize the telecentricity of a laser scanning system by scanning two crossed polka dot beam splitters at once. By separating both beam splitters in Fourier space we were able to detect tilting angles below 2 · 10(-3) rad for four different laser wavelengths within the same optical system. By this we determined the optimum system parameters for our scanning laser optical tomography (SLOT) setup.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::077f01f0fb7d0eca423063e6e51b2894 https://pubmed.ncbi.nlm.nih.gov/25836878 Zobrazit plný text záznamu