Little Known Facts About KGW Crystal.
Little Known Facts About KGW Crystal.
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We utilised a transmission grating (TG) to be a dispersive ingredient inside our stretcher and compressor. A compact configuration was adopted, exactly where the stretcher and also the compressor shared a person grating similar to that in Ref.
As well as its use as being a Raman crystal, KGW can also be Employed in other optical purposes, such as in laser programs and to be a scintillator in health-related imaging.
In distinction, the seed laser may be amplified to above one mJ beneath the orthogonal orientation configuration.
The measured Slice-off wavelengths for the brief-wavelength aspect are consistent with the general craze of blue-shifted spectral broadening to the bandgap of nonlinear materials. The many nonlinear resources created acceptable red-shifted spectral broadenings less than situations of optimum pump pulse energies, with the most important purple-shift exceeding 2000 nm measured in GGG crystal. Our results revealed that GGG and BGO (which also had the lowest supercontinuum technology threshold) offer you durable, optical destruction-free functionality in a laser repetition fee of two hundred kHz, suggesting that these supplies are excellent possibilities to YAG and KGW for very low get more info threshold, significant average electric power supercontinuum era inside the near- and shorter-wave infrared spectral ranges. We also demonstrated that scintillating properties of bulk products can be conveniently analyzed from the filamentation routine, via multiphoton excitation utilizing around-infrared femtosecond laser pulses.
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KGW (potassium gadolinium tungstate) is really a crystal that is commonly employed as being a Raman crystal in Raman spectroscopy. This is a colorless, clear crystal that features a high Raman scattering effectiveness and a strong Raman spectrum, rendering it well suited for A variety of Raman applications.
We plan to boost the heartbeat Power to over 40 mJ in two-phase multi-move amplifiers, akin to a get aspect of 20. In Every single amplifier, we may also undertake two cascaded crystals placed under orthogonal orientation to lessen the thermal load on Each and every crystal and compensate for the obtain-narrowing outcome.
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-switched laser output under the two crystal placement configurations. The black line denotes the configuration with the crystals placed in the identical orientation, even though the crimson line is underneath the configuration of crystals placed in orthogonal orientation.
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