Effect of Pumping Pulse Duration on Echo Signal Amplitude in Four-Pulse PELDOR
β Scribed by A. D. Milov; Yuriy A. Grishin; S. A. Dzuba; Yu. D. Tsvetkov
- Publisher
- Springer Vienna
- Year
- 2011
- Tongue
- English
- Weight
- 232 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0937-9347
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π SIMILAR VOLUMES
The quadrupolar and dipolar interactions of spins during the radio frequency (RF) pulses are considered. It is shown that due to these interactions the two-pulse echo signal is observed at the shifted time t, = T + t,/2 (t, = width of the first RF pulse, 7 = time interval between the pulses).
This paper discusses the effect of the signal pulse waveform on in-line optical amplifier transmission. Under a simple assumption for pulse width evolution along the line, the theoretical expressions of the received signal and noise levels are derived in terms of the initial signal waveform and the