Title :
Carbon nanotube clusters may give greater output power with large tunable bandwidth from photomixing in laser-assisted field emission
Author :
Hagmann, Mark J.
Author_Institution :
CTO NewPath Res. L.L.C., Salt Lake City
Abstract :
Photomixing in laser-assisted field emission can readily cause a mixer current with a peak value that is 10% of the dc current, because of a resonance in the response and the intensification of the optical radiation by the antenna effect of the tip. It is concluded that photomixing in laser-assisted field emission acts as a constant current source, producing a mixer current that is independent of the impedance which is seen by this current. However, this impedance causes an electric field at the mixer frequency to also be present at the tip, and this field causes a second field emission current at the mixer frequency which opposes the mixer current.
Keywords :
carbon nanotubes; laser beam applications; microwave photonics; photoemission; submillimetre wave generation; C; antenna effect; carbon nanotube clusters; laser-assisted field emission; mixer current; optical radiation; photomixing; Bandwidth; Carbon nanotubes; Frequency; Impedance; Power generation; Power lasers; Power transmission lines; Superconducting transmission lines; Surface emitting lasers; Tunable circuits and devices;
Conference_Titel :
Vacuum Nanoelectronics Conference, 2007. IVNC. IEEE 20th International
Conference_Location :
Chicago, IL
Print_ISBN :
978-1-4244-1133-7
Electronic_ISBN :
978-1-4244-1134-4
DOI :
10.1109/IVNC.2007.4480927
