General considerations on optical second-harmonic generation from surfaces and interfaces
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
Second-harmonic generation from an interface, in relation to the second-order nonlinearities of the interface layer and the adjacent bulk, is considered. It is shown that both structural asymmetry and field discontinuity contribute to the interface nonlinearity, which, as far as second-harmonic generation is concerned, can be characterized by a local surface nonlinear susceptibility tensor. The bulk nonlinearity may also contribute to the second-harmonic signal, but is an order of magnitude weaker than the surface nonlinearity in centrosymmetric media with a large optical dielectric constant. The possibility of detecting submonolayers of adsorbates on various substrates is discussed qualitatively.
- Research Organization:
- Department of Physics, University of California, Berkeley, California 94720 and Materials and Molecular Research Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 5675590
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 33:12; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
Similar Records
Recent studies on second-harmonic generation as a surface probe
Studies of molecular adsorbates at interfaces by optical second-harmonic generation. [p-nitrobenzoic acid]
Reflected optical harmonics from dielectric mirrors
Conference
·
Wed Jun 01 00:00:00 EDT 1983
·
OSTI ID:5536996
Studies of molecular adsorbates at interfaces by optical second-harmonic generation. [p-nitrobenzoic acid]
Conference
·
Tue Nov 30 23:00:00 EST 1982
·
OSTI ID:6449088
Reflected optical harmonics from dielectric mirrors
Journal Article
·
Sat Nov 19 23:00:00 EST 1994
· Applied Optics; (United States)
·
OSTI ID:6766112