HIGH RESOLUTION TEMPERATURE SENSING DEVICE

摘要

A probe for a pyrometer includes a bore, an optical fiber disposed within the bore and having substantially larger diameter at a first end than at a second end. A lens is disposed within the bore and has a focal length substantially equal to the distance between the optical fiber and the lens. A bore extension is connected to the bore and includes a pair of apertures through which energy indicative of temperature passes prior to reaching the lens.