Apochromatic lens system for relaying laser beam waists

Details Apochromatic lens system for relaying laser beam waists Apochromatic lens system for relaying laser beam waists

1998-06-26

1999-08-31

Sugarman, Scott J.

Optical: systems and elements

Lens

359708, G02B 100

Patent

active

059461411

ABSTRACT:
A lens system comprises a plurality of lens elements including at least one positive power lens element and at least one negative power lens element, the plurality of lens elements having radii of curvature, thicknesses, indices of refraction, Abbe V numbers and partial dispersion coefficients so as to provide in combination (i) magnification M so that 5<M<20; (ii) magnification variation .DELTA.M<5% for 0.46 to 0.7 micron wavelength range; and (iii) beam waist images located along an optical axis with axial positions being less than 0.3 Rayleigh distances from an image plane.

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patent: 5491587 (1996-02-01), Iwaki et al.
patent: 5666447 (1997-09-01), Chuang et al.
patent: 5694251 (1997-12-01), Shimada et al.

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