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switching time
We argue that for ω=0 a formal violation of the fluctuation dissipation theorem is physically expected if the relaxation times are of the order of the switching time of the external field.
      
It is shown that in the case of rectangular excitation pulses of light or of voltage the switching process can be divided into two regions, namely the crystal reaction time and the switching time itself.
      
In the low-Q cavity case with atomic collisional broadening switching time is both increased and become insensitive to the phase of the squeezed vacuum field.
      
Switching of power-supply systems using the proposed device and the influence of the switching time on the capacity of the energy-storage unit of the device are considered.
      
Calculation of the operation of a metallohydride refrigerator and optimization of the switching time for heat fluxes
      
An algorithm for determining the optimum switching time for the heat fluxes in the system is developed for a prescribed cycle time from the condition of producing the maximum refrigeration effect per unit heat supplied from a high-temperature source.
      
The test results show that a current pulse with an amplitude of 70 mA is needed for actuator's switching between the two stable states, and the switching time is no more than 6 ms.
      
The switching time between the two stable states of the surface stabilized cell was found to be longer than that found for the composite films.
      
In other words, the cysteine shot time and the μ switching time should be the same.
      
For a total feeding time of 10 h, both the switching time of μ and cysteine shot time were calculated to be about 6.4 h.
      
Using a new mode-locking dye with a switching time of τ=2.7×10-12 s we obtained stable laser operation and a pulse duration of 1.7×10-12s.
      
We observed an unexpectedly short switching time for these thin films: The polarization of a 0.2 μm thick film could be reversed by poling fields of 600 MV/m in less than 100 ns.
      
It is found that polarization reversal is considerably delayed as pulse width becomes shorter than the conventional switching time, but is eventually completed even if pulse width is reduced to 0.2?μs.
      
Our devices are superior in durability and switching contrast, equal in switching threshold, and slower in switching time.
      
Assuming a Maxwell behavior with switching time λ and a linear increase in shear stress with flux density, analytic relations for the transient shear stress are derived for sinusoidal and single exponential flux densities vs time.
      
For a sinusoidal flux density, the switching time is derived from the modulation depth of the shear stress.
      
Finally, the effect of a sigmoidal characteristic on the switching time determination is addressed.
      
This two-phase operation was optimized by determining both the optimal temperatures for the growth and production phases and the optimal switching time between the growth to the production phase.
      
The micro-optical switch has a maximum displacement of 48 μm and the switching time is below 0.4 ms with a driving voltage of 100 VDC.
      
A testing system based on the Labview 6.1 instrument control is also presented, which can facilitate the characterization of switching time for MEMS optical switches.
      
 

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