Surface-plasmon-enhanced third-harmonic generation in thin silver films
- Brookhaven National Laboratory, Upton, New York 11973 (United States)
Optical third-harmonic generation (THG) is dipole allowed. I report a 10{sup 3} signal enhancement of THG that is due to the excitation of a surface plasmon in thin silver films by an attenuated total-internal-reflection geometry. Because the THG signal depends on the cube of the incident intensity and the second-harmonic generation depends on the square of the intensity, the THG overtakes the second-harmonic generation at laser intensities beyond 6{times}10{sup 11} W/cm{sup 2}. {copyright} {ital 1996 Optical Society of America.}
- Research Organization:
- Brookhaven National Laboratory
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 286102
- Journal Information:
- Optics Letters, Journal Name: Optics Letters Journal Issue: 4 Vol. 21; ISSN 0146-9592; ISSN OPLEDP
- Country of Publication:
- United States
- Language:
- English
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