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1.6 MHz scanning rate direct absorption temperature measurements using a single vertical-cavity surface-emitting laser diode

Kaebe, Benjamin D; Robins, Nicholas; Boyson, Toby K.; Kleine, H.; O’Byrne, Sean


This paper presents 1.6 MHz scan rate, non-intrusive, time-resolved temperature measurements of a normal shock reflection from a plane end wall within a shock tube. A vertical-cavity surface-emitting laser (VCSEL) was used to conduct tunable diode laser absorption spectroscopy with water vapor as the probe species. The results are compared with analytical predictions. Temperatures measured with this technique agree within a single-scan standard deviation of ±33  K with calculated temperatures...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Applied Optics
DOI: 10.1364/AO.57.005680


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