Skip to Main Content
Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.1376653
A new, multichannel infrared (IR) pyrometer has been constructed that is capable of measuring low temperature changes (≪100 °C) at high speed (multi-MHz). The pyrometer has four IR channels spanning 1–11 μm and uses 1 mm optical fibers to relay the light from the center of a pulsed power experiment to the detectors. Broad IR passbands are used to increase sensitivity while preserving high accuracy in the temperature measurement (≪15% for the absolute temperature (K) up to 1300 K). An application of the pyrometer in material property measurements of high strain at high strain rate is described. © 2001 American Institute of Physics.