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A new design approach to innovative spectrometers. Case study: TROPOLITE

Author: Volatier, J.B.C.G. · Baümer, S.M.B. · Kruizinga, B. · Vink, H.J.P.
Type:article
Date:2014
Publisher: SPIE
Source:Optical Modelling and Design, 15-17 April 2014, Brussels, Belgium, 9131
series:
Proceedings of SPIE - The International Society for Optical Engineering
Identifier: 507091
ISBN: 9781628410792
Article number: 91310L
Keywords: Electronics · Imaging spectrometer · Optical design · Plate diagrams · Yybar diagram · Spectrometers · Generic optimization · Manufacturability · Optical specifications · System level optimization · Optical systems · High Tech Systems & Materials · Industrial Innovation · Physics & Electronics · OPT - Optics · TS - Technical Sciences

Abstract

Designing a novel optical system is a nested iterative process. The optimization loop, from a starting point to final system is already mostly automated. However this loop is part of a wider loop which is not. This wider loop starts with an optical specification and ends with a manufacturability assessment. When designing a new spectrometer with emphasis on weight and cost, numerous iterations between the optical-and mechanical designer are inevitable. The optical designer must then be able to reliably produce optical designs based on new input gained from multidisciplinary studies. This paper presents a procedure that can automatically generate new starting points based on any kind of input or new constraint that might arise. These starting points can then be handed over to a generic optimization routine to make the design tasks extremely efficient. The optical designer job is then not to design optical systems, but to meta-design a procedure that produces optical systems paving the way for system level optimization. We present here this procedure and its application to the design of TROPOLITE a lightweight push broom imaging spectrometer. © 2014 SPIE.