Reply to ‘‘Comment on ‘Digital parallel acquisition in frequency domain fluorometry’ ’’ [Rev. Sci. Instrum. <b>6</b> <b />, 2929 (1989)]

Abstract

The duty cycle problem referred to by Alcala has been discussed in our original manuscript, and we calculated the reduction of the signal quite explicitly. His comments on the harmonic content are in error, and the correct values were given in the original paper.