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Proceedings Paper

Optical performance of F-Theta lens for laser scanning unit
Author(s): Dong-Kil Lee; Jun-Hyung Ahn; Sang-Suk Kim; Hye-Jeong Kim; Jeong-Ho Kim
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Paper Abstract

Recently, the global applications of aspheric lens are expanding rapidly on the electronics, optical components, communications, aerospace, defense, and medical optics devices, etc. F-Theta lens, which is one of major applications of aspheric lens, is a core optical part in Laser Scanning Unit (LSU) because it mainly affects the optical performance of LSU. F-Theta lens is made of the plastic using the injection molding method because of its cost and weight. In this study, the mold core for F-Theta lens, which is consisting of two non-axisymmetric aspheric surfaces, was processed by fly-cutting method, and the form accuracy of the mold core was measured. The product of the F-Theta lens, which was fabricated by the injection molding method, was satisfied that can be applied to the actual specifications.

Paper Details

Date Published: 10 October 2007
PDF: 7 pages
Proc. SPIE 6717, Optomechatronic Micro/Nano Devices and Components III, 67170E (10 October 2007); doi: 10.1117/12.754375
Show Author Affiliations
Dong-Kil Lee, Korea Photonics Technology Institute (South Korea)
Jun-Hyung Ahn, Chonnam National Univ. (South Korea)
Sang-Suk Kim, Korea Phoonics Techology Institute (South Korea)
Hye-Jeong Kim, Korea Phoonics Techology Institute (South Korea)
Jeong-Ho Kim, Korea Phoonics Techology Institute (South Korea)


Published in SPIE Proceedings Vol. 6717:
Optomechatronic Micro/Nano Devices and Components III

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