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The initial phase of an alternating field has played a minor role in the force | The initial phase of an alternating field has played a minor role in the force exerted by the field over a free charge. The main reason being that in most cases the transient behaviour has a slowly varying envelope. | ||
However, in recent times either with passive or active schemes, very short optical pulses have been achieved. These pulses may contain only a few oscillations and the slowly varying envelope condition is no longer fulfilled. | However, in recent times either with passive or active schemes, very short optical pulses have been achieved. These pulses may contain only a few oscillations and the slowly varying envelope condition is no longer fulfilled. | ||
The external field is often set | |||
[[Categoría:investigación]] | [[Categoría:investigación]] | ||
Revisión del 22:08 23 jul 2007
The initial phase of an alternating field has played a minor role in the force exerted by the field over a free charge. The main reason being that in most cases the transient behaviour has a slowly varying envelope.
However, in recent times either with passive or active schemes, very short optical pulses have been achieved. These pulses may contain only a few oscillations and the slowly varying envelope condition is no longer fulfilled.
The external field is often set
