The OPA 9800/9850 optical parametric amplifiers extend the wavelength coverage of the RegA 9050 high repetition-rate regenerative amplifiers into the visible and infrared spectral ranges.
The OPA 9800 and OPA 9850 are similar to the 9400 versions, using the pump beam to generate a white light continuum, but they do not frequency double the remaining pump beam. Signal output is from 1.1 to 1.6 μm and the idler ranges from 1.6 to 2.4 μm. Pulses from the RegA amplifier are split into two beams. One beam produces whitelight continuum to seed the parametric amplification process while the other beam pumps the BBO non-linear crystal.
Multiple outputs are available and all beams are inherently synchronized, because they originate from the same pump pulse. Tuning involves a simple manual adjustment of the OPA crystal and a delay line.
The main outputs consist of a signal beam tunable from 480-700 nm, and an idler beam tunable from 930-2300 nm.
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