Design and tolerance analysis of an axial gradient-index singlet broadband laser collimator

Peter McCarthy; Duncan T. Moore

doi:10.1117/1.OE.52.11.112110

8 August 2013 Design and tolerance analysis of an axial gradient-index singlet broadband laser collimator

Peter McCarthy, Duncan T. Moore

Author Affiliations +

Optical Engineering, Vol. 52, Issue 11, 112110 (August 2013). https://doi.org/10.1117/1.OE.52.11.112110

Abstract

A laser collimator is a narrow-field imaging system that is designed for near-diffraction-limited performance when operating at a single wavelength. Although a traditional design might consist of a homogeneous doublet, the design of an axial gradient-index (GRIN) singlet for such an application is described. The analysis begins with third-order aberration thin lens optical design principles in order to examine the effects of spherochromatism from the GRIN. The final design is optimized in CODE V® using GRIN aluminum oxynitride (ALON®), which allows for diffraction-limited operation from the visible through 5 μm. A tolerance analysis is performed on the slope, nonlinearity, and tilt of the GRIN profile in order to assess sensitivity to fabrication errors.

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Peter McCarthy and Duncan T. Moore "Design and tolerance analysis of an axial gradient-index singlet broadband laser collimator," Optical Engineering 52(11), 112110 (8 August 2013). https://doi.org/10.1117/1.OE.52.11.112110

Published: 8 August 2013

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