Study on conic constant and paraxial radius of optical aspheric

Hao Bo Cheng; Ying Wei Wang; Zhi Jing Feng; Zhi Wei Feng; Rui Zhang

Study on conic constant and paraxial radius of optical aspheric

Hao Bo Cheng^*, Ying Wei Wang, Zhi Jing Feng, Zhi Wei Feng, Rui Zhang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

How to meet the demand on the accuracy of conic constant and paraxial radius of off-axis aspheric is a key issue during fabricating process. From the equation for conic aspheric, a set of algorithms are derived from which the conic constant k and the paraxial radius of curvature r can be obtained. The experimental results of the 760 mm × 200 mm aspheric are presented. The fitting accuracy arrives to Δk = 0.015 and Δr = 0.341 mm, thus the deviation of the two indexes can be controlled effectively.

Original language	English
Pages (from-to)	311-313+317
Journal	Guangxue Jishu/Optical Technique
Volume	30
Issue number	3
Publication status	Published - May 2004
Externally published	Yes

Keywords

Conic constant
Off-axis aspheric
Paraxial radius of curvature

Cite this

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abstract = "How to meet the demand on the accuracy of conic constant and paraxial radius of off-axis aspheric is a key issue during fabricating process. From the equation for conic aspheric, a set of algorithms are derived from which the conic constant k and the paraxial radius of curvature r can be obtained. The experimental results of the 760 mm × 200 mm aspheric are presented. The fitting accuracy arrives to Δk = 0.015 and Δr = 0.341 mm, thus the deviation of the two indexes can be controlled effectively.",

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AU - Cheng, Hao Bo

AU - Wang, Ying Wei

AU - Feng, Zhi Jing

AU - Feng, Zhi Wei

AU - Zhang, Rui

PY - 2004/5

Y1 - 2004/5

N2 - How to meet the demand on the accuracy of conic constant and paraxial radius of off-axis aspheric is a key issue during fabricating process. From the equation for conic aspheric, a set of algorithms are derived from which the conic constant k and the paraxial radius of curvature r can be obtained. The experimental results of the 760 mm × 200 mm aspheric are presented. The fitting accuracy arrives to Δk = 0.015 and Δr = 0.341 mm, thus the deviation of the two indexes can be controlled effectively.

AB - How to meet the demand on the accuracy of conic constant and paraxial radius of off-axis aspheric is a key issue during fabricating process. From the equation for conic aspheric, a set of algorithms are derived from which the conic constant k and the paraxial radius of curvature r can be obtained. The experimental results of the 760 mm × 200 mm aspheric are presented. The fitting accuracy arrives to Δk = 0.015 and Δr = 0.341 mm, thus the deviation of the two indexes can be controlled effectively.

KW - Conic constant

KW - Off-axis aspheric

KW - Paraxial radius of curvature

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JF - Guangxue Jishu/Optical Technique

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Study on conic constant and paraxial radius of optical aspheric

Abstract

Keywords

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