Abstract
The effect of the diminution of the sensitizing intensity from initially high
value on two-center recording is experimentally and theoretically investigated. A
linear diminution of the sensitizing intensity is designed, and three different
diminution rates are employed for the experimental investigation. The results show
that the dynamic range can be improved by reducing the diminution rate of the
sensitizing intensity. Compared with that of traditional two-center recording, the
recording sensitivity obtained in the experiment is more improved when the maximum
dynamic range is achieved. The effect of the diminution of the sensitizing intensity
on grating uniformity and the effect of the initial sensitizing intensity on the
recording sensitivity are theoretically investigated.
© 2012 Chinese Optics Letters
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