New method for automatic optimization of glass combination in optical systems working in the visible range

Daniel Ralea; Raluca-Maria Marginean; Marinica Marzu

doi:10.1117/12.312728

2 July 1998 New method for automatic optimization of glass combination in optical systems working in the visible range

Daniel Ralea, Raluca-Maria Marginean, Marinica Marzu

Proceedings Volume 3405, ROMOPTO '97: Fifth Conference on Optics; (1998) https://doi.org/10.1117/12.312728
Event: ROMOPTO '97: Fifth Conference on Optics, 1997, Bucharest, Romania

Abstract

The algorithm presented in this paper proposes a way to find the optimum glasses that assure a better correction for optical apparatus with the human eye as a final receiver. The model (N_e, v₁, v₂), based on the Buchdahl formula, gives an approximation error for the refraction index less than 5(DOT)10^-5 for visible domain. We introduced in the merit function used for optimizing the optical system an operand that describes the existence of an optical glass. This operand was defined so that the obtained value for N_e, v₁ and v₂ can be closed to some values for a real glass. A definition for this operand is obtained using the PN_e, Pv₁, Pv₂, probabilities of existence for a glass with a certain parameter N_e, v₁ or v₂. Another possibility to define this operand is to describe the volume occupied by the optical glass in (N_e, v₁, v₂) space with some elliptical functions. The probabilities and the elliptical functions were found after an analysis for all optical glasses listed in the Schott catalogues was made.

Citation Download Citation

Daniel Ralea, Raluca-Maria Marginean, and Marinica Marzu "New method for automatic optimization of glass combination in optical systems working in the visible range", Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); https://doi.org/10.1117/12.312728

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KEYWORDS

Glasses

Neon

Neodymium

Refraction

Optical design

Refractive index

Mathematical modeling

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