A simple circuit based upon an equal arm Wheatstone Bridge which senses temperature changes of the optical chassis permits compensation of thermally induced long term drift in a single beam optical feedback stabilized photometer. A drift rate of 0,004% T/hr was achieved.
|Original language||English (US)|
|Number of pages||9|
|Journal||Instrumentation Science & Technology|
|State||Published - Jan 1 1976|
Bibliographical noteFunding Information:
This work was supported in part by Grant R-800858 of the Environmental Protection Agency and by Grant GM-17913 of the National Institute of Health.By acceptance of this article, the publisher or recipient acknowledges the U.S. Government's right to retain a nonexclusive, royalty-free license in and to any copyright covering the article.