Apparatus for the measurement of unsteady gas temperatures comprises (a) a temperature probe having a sensing element. The sensing element has an optical interferometer optically coupled to one end of a first, addressing optical fibre. The interferometer has a first partially reflective surface defined...http://www.google.com/patents/US5803607?utm_source=gb-gplus-sharePatent US5803607 - Method and apparatus for measurement of unsteady gas temperatures
