Cavity-Enhanced Spectroscopy in Condensed Phases: Recent Literature and Remaining Challenges

Figure 2

Experimental designs for implementing cavity-enhanced spectroscopy (CES) within mirrored resonators. (a) represents a design in which the cuvette holding the sample is placed at Brewster’s angle to minimize reflective losses. (b) Flow thru cuvette in which the mirrors form the windows of the optical cell. The mirrors are placed in direct contact with the solvent. (c) Two-mirror resonator in which the sample is contained within a commercial flow-through cuvette. (a–c) are reproduced with permission from [26]. (d) Liquid sheet jet for condensed phase CES. Liquid is sprayed onto a wedge causing the production of a thin sheet of liquid that is probed at Brewster’s angle via CES. Image reprinted with permission from Alexander [47]. Copyright 2006 American Chemical Society.

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