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The Retroreflective Array as a New Optical Element in Atomic Absorption Spectroscopy

Volume 41, Number 1 (Jan. 1987) Page 84-88

Hsieh, You-Zung; Johnson, Eric T.; Sacks, Richard D.; Morris, Michael D.


A retroreflective array is used in the phase conjugate configuration to compensate for refractive noise in flame atomic absorption spectroscopy. The system is shown to provide reductions in refractive noise by a factor of five to seven, using the Mn 403.1-nm line. The compensation provides 10-50% increase in sensitivity in noisy flames.