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Harmonic generation with ultrashort pulses using nonlinear poled polymeric thin films
Applied Optics
|June 18, 2010
Summary
An organic thin film functions as a second harmonic element for measuring ultrashort optical pulses. This advancement enables precise characterization of 200-femtosecond laser pulses.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Autocorrelation is crucial for characterizing ultrashort optical pulses.
- Nonlinear optical elements are commonly used in pulse measurement techniques.
Purpose of the Study:
- To investigate the efficacy of an organic thin film as a second harmonic generation (SHG) element.
- To demonstrate its application in the autocorrelation measurement of ultrashort optical pulses.
Main Methods:
- Fabrication and characterization of an organic thin film.
- Implementation of the organic thin film in an autocorrelation setup.
- Measurement of 200-femtosecond optical pulses.
Main Results:
- The organic thin film successfully functioned as a second harmonic element.
- Accurate autocorrelation measurements of ultrashort optical pulses were achieved.
Conclusions:
- Organic thin films are viable and effective nonlinear optical materials for pulse characterization.
- This approach offers a potential alternative for ultrafast optical pulse measurement.
