Preface to the First Edition xxi
to use such pulses for laser fusion. To reach TW intensities, tabletop devices
are replacing the building size high energy facilities previously required. First
attempts to generate short X-ray pulses by using fs pulse–induced plasmas have
already proven successful.
The short geometrical lengths of fs light pulses suggest interesting applications
for optical ranging with micrometer resolution, as well as for combinations of
micrometer spatial resolution with femtosecond temporal resolution.
The ultrashort phenomena to which this book refers are created by light
pulses, which are wave packets of electromagnetic waves oscillating at optical
frequencies. The emphasis of this book is not on the optical frequency range
but ...