Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
58 (1991), S. 107-109
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The third-order optical nonlinearity χ(3), linear absorption coefficient α, and the two-photon absorption coefficient β of two nickel dithiolene complexes are reported. The nonlinearities were measured at 1064 nm using 100 ps pulses. Molecular nonlinearities 103 times those of carbon disulphide were observed. Two figures of merit were calculated from the data Δnsat/αλ=5 and n2/2βλ(approximately-greater-than)2, where α and β are the linear and two-photon absorption coefficients and n2 the nonlinear refractive index. These figures are compatible with those required for simple all-optical switching devices.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.104969
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