6 January 2017 Advanced studies on the movement sensitivity of Alvarez lenses in optical zoom systems
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Abstract
Alvarez lenses can realize a large zoom ratio with minimal lateral movement. We analyzed the movement sensitivity in the x - and y -directions. An x y polynomial model was used to describe the wavefront error introduced by the Alvarez lens decenter in the x - and y -directions. A 3 × optical zoom system was developed with two pairs of Alvarez lenses and was used to verify the theoretical analysis results. The tolerance analysis result for the optical system is consistent with the theoretical analysis. The results showed that it is sensitive to Alvarez lens decentering, especially in the direction perpendicular to the movement direction.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Changlun Hou, "Advanced studies on the movement sensitivity of Alvarez lenses in optical zoom systems," Optical Engineering 56(1), 015101 (6 January 2017). https://doi.org/10.1117/1.OE.56.1.015101 . Submission: Received: 30 August 2016; Accepted: 2 December 2016
Received: 30 August 2016; Accepted: 2 December 2016; Published: 6 January 2017
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