Dr. Takao Tanabe Profile

Dr. Takao Tanabe

Supervisor at Showa Optronics Co Ltd

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Publications (3)

SPIE Journal Paper | 21 August 2017 Open Access

Practical method for evaluating optical image defects caused by center artifacts

Takao Tanabe, Masato Shibuya, Kazuhisa Maehara

OE, Vol. 56, Issue 08, 085103, (August 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.8.085103

KEYWORDS: Statistical analysis, Zernike polynomials, Modulation transfer functions, Mathematical modeling, Image analysis, Tolerancing, Point spread functions, Optics manufacturing, Optical design, Optical engineering

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SPIE Journal Paper | 28 December 2016 Open Access

Aberration properties of odd-order surfaces in optical design

Takao Tanabe, Masato Shibuya

OE, Vol. 55, Issue 12, 125107, (December 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.12.125107

KEYWORDS: Monochromatic aberrations, Optical design, Wavefront aberrations, Extreme ultraviolet lithography, Wavefronts, Zernike polynomials, Reflectivity, Cameras, Optical engineering, Aberration theory

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SPIE Journal Paper | 1 March 2016 Open Access

Convergence and differentiation of Zernike expansion: application for an analysis of odd-order surfaces

Takao Tanabe, Masato Shibuya, Kazuhisa Maehara

OE, Vol. 55, Issue 03, 035101, (March 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.3.035101

KEYWORDS: Zernike polynomials, Optical design, Optical engineering, Wavefront aberrations, Cameras, Aspheric lenses, Wavefronts, Refraction, Differential equations, Estimation theory

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