A hybrid active-passive sound absorber
β Scribed by V. D. Belov, Yu. G. Migun, A. I. Orlov
- Book ID
- 114991909
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2012
- Tongue
- English
- Weight
- 226 KB
- Volume
- 58
- Category
- Article
- ISSN
- 1063-7710
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π SIMILAR VOLUMES
Some active impedance control experiments in an anechoic chamber are reported. Further active methods are developed for the design of locally controlled absorption liners in air, whose basic principles were described by Olson and May and subsequently investigated practically by Guicking and his coll
Cr 4+ : YAG crystal was used as a saturable absorber in an active-passive mode-locked Nd : YAG laser. The stable and complete mode-locked pulse train was achieved at 1064 nm. The duration of a single pulse was obtained from 0.8 to 2:4 ns by changing the Cr 4+ : YAG crystal with di erent initial tran