Broadband thermal optical limiter
- 13 September 1993
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 63 (11) , 1483-1485
- https://doi.org/10.1063/1.109663
Abstract
The limiting behavior of nigrosin dye dissolved in carbon disulfide was investigated in an f/5 defocusing geometry using 6 ns duration 532 nm laser excitation. Nigrosin dye is a broadband visible light absorber that is used here in conjunction with the large thermal nonlinearity of carbon disulfide solvent to defocus intense incident visible light. A limiting threshold energy of 40 nJ, corresponding to a fluence of only 100 mJ/cm2 in the solution, was observed with device absorption adjusted to 53%.Keywords
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