Abstract
The far-infrared p-Ge laser is the only solid state laser in the THz region of the electromagnetic spectrum. This source has potential applications in covert free-space inter-satellite communication, secure short-range communication on earth, chemical sensing, and non-destructive testing. The p-Ge laser has many attractive features for such applications including continuously- tunable wavelength coverage from 70 to 200 micron wavelengths, picosecond pulse generation, pulse modulation, and watt peak powers.
© 2002 Optical Society of America
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