QCL-based nonlinear sensing of independent targets dynamics.
Opt Express
; 22(5): 5867-74, 2014 Mar 10.
Article
en En
| MEDLINE
| ID: mdl-24663924
ABSTRACT
We demonstrate a common-path interferometer to measure the independent displacement of multiple targets through nonlinear frequency mixing in a quantum-cascade laser (QCL). The sensing system exploits the unique stability of QCLs under strong optical feedback to access the intrinsic nonlinearity of the active medium. The experimental results using an external dual cavity are in excellent agreement with the numerical simulations based on the Lang-Kobayashi equations.
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01-internacional
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MEDLINE
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En
Revista:
Opt Express
Asunto de la revista:
OFTALMOLOGIA
Año:
2014
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Article