A method and apparatus for measuring and adjusting output of a heat lamp for an optical TLD reader includes an optical system which matches the optical system of the TLD reader, means for supporting a heat lamp to be calibrated, and an element plate having at least one heat absorbing substrate supported...http://www.google.com.tw/patents/US5089749?utm_source=gb-gplus-share專利 US5089749 - Method and apparatus for measuring output of a heat lamp for an optical TLD reader
