Clamshell analyzer

Abstract

A system for analyzing a sample, e.g., by NIR, includes a clamshell apparatus and a tunable laser. The apparatus has a fixed first section and a second section which can move between an open position, for loading a sample, for instance, and a closed position, for scanning an absorption spectrum. A sample detection region is formed between an input rod and an output rod by lowering the second section to the closed position. One illustrative arrangement employs a reference detector positioned in the first section and a sample detector positioned in the second section.

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