5 Simple Statements About KGW Crystal Explained
5 Simple Statements About KGW Crystal Explained
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We applied a transmission grating (TG) to be a dispersive ingredient within our stretcher and compressor. A compact configuration was adopted, exactly where the stretcher as well as the compressor shared 1 grating just like that in Ref.
Thus There's very little flexibility for optimizing the dispersion payment effect. Sub-two hundred fs pulses could be anticipated with a broader bandwidth seed enter. Due to the dual-crystal configuration, the laser cavity provides a around diffraction minimal laser beam with M
In contrast, the seed laser is usually amplified to in excess of one mJ underneath the orthogonal orientation configuration.
For tungstates, the ytterbium doping focus can be very significant without having sizeable quenching since the replaced ions have an incredibly identical ion radius, as well as inter-ion distance is comparatively big.
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The mixed acquire is sophisticated and may be measured underneath different pumping ailments due to quasi-three-stage procedure conduct on the Yb-doped achieve medium. The blueshift, with a person peak from 1037 nm underneath the very same crystal placement orientation to 1035 nm beneath the orthogonal crystal placement orientation, could consequence within the reabsorption losses at a lengthy wavelength in the crystal where by the laser polarization is parallel to its Nm -axis, producing the obtain at 1035 nm greater than that at 1037 nm under orthogonal orientation.
Thermal outcomes are drastically more compact in KGW. This combined with the large damage threshold make the crystal a superb applicant for energy scaling. Comparing Ba(NO3)2 and KGW for Raman application Ba(NO3)two are simpler in case of ns pulses and KGW �?in case of ps pulses.
Figure four Beam radius variation on the two crystals though transforming the focal length of your thermal lensing result.
These elements can be employed for frequency conversion in more info lasers for extending of tuning assortment. SRS in crystals is compatible with current all-solid-condition technologies and gives a quite simple, compact indicates of frequency conversion.
A multi-go major amplifier will even further Strengthen the Electricity to over 40 mJ. We're going to use cryogenically cooled Yb:KGW technological innovation to restrain the thermal effect. Two stages of compression will probably be utilized just after amplification. The main phase entails a common Treacy-style compressor, and could compress the pulse length to below 300 fs having an efficiency of roughly 70%. The second phase consists of a gasoline-loaded multi-move mobile[
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