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Efficient picosecond optical parametric oscillator based on periodically poled lithium tantalate
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View: Figures


Image of FIG. 1.
FIG. 1.

The experimental set up. OC—5%, GR—1200 grooves/mm diffraction grating, AC—autocorrelator, OSA—optical spectrum analyzer, Mono–grating monochromator, PM —power meter, BS—beamsplitters, F—edge filter, and P—dispersing prism.

Image of FIG. 2.
FIG. 2.

Output spectra for the OPO with (solid line) and without (dashed line) wavelength and bandwidth control using diffraction grating. The period section of the PPSLT crystal was pumped at while the crystal temperature was kept at .

Image of FIG. 3.
FIG. 3.

Left scale shows signal and idler beam power output (both solid circles) vs pump power at . Right scale corresponds to pump beam depletion data (open circles) in percent with trend-line shown in solid.

Image of FIG. 4.
FIG. 4.

The experimental temperature tuning data (solid circles) for two different pump wavelengths and QPM period values. Solid line represents calculated curves using dispersion and refractive index temperature relations given in Ref. 12 [note that the wavelength scale in part (a) is broken].

Image of FIG. 5.
FIG. 5.

Typical pulse spectra [(a)–(c)] for the OPO at different wavelengths and signal pulse intensity autocorrelation (d) at around 1140 nm.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Efficient picosecond optical parametric oscillator based on periodically poled lithium tantalate