Ultrafast Science / 2021 / Article / Tab 1

Review Article

Broadband THz Sources from Gases to Liquids

Table 1

Comparison between microplasma and elongated plasma under the same pump energy.

MicroplasmaFilament (elongated plasma)

Length: <500 μmLength: few mm up to meters
Width: <10 μmWidth: ~100 μm
Tight focusing of the laser ()Loose focusing of the laser ()
Higher peak laser intensity ()Lower peak laser intensity ()
Higher peak electron densities ()Lower peak electron densities ()
Position does not change with laser energyPosition changes with laser energy
Lower laser energy threshold ()Higher laser energy threshold ()