New Step by Step Map For KGW Crystal
New Step by Step Map For KGW Crystal
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Past operate confirmed that the twin-crystal configuration may be used to compensate for that thermal lensing outcome[
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Determine 8 Intra-cavity pulse amplification approach monitored by an oscilloscope. The heartbeat underwent an unsaturated amplification due to mirror harm limitation.
Concurrently, a shorter laser wavelength could be obtained; it can be done to work by using a quantum defect very well under one%. As a consequence, the warmth technology is usually so smaller this partly compensates the decrease thermal conductivity.
-switched manner. The bandwidth inside the orthogonal orientation was Plainly Substantially broader. The calculated Fourier completely transform limited pulse period was as limited as sub-one hundred sixty fs. Beneath the configuration exactly where The 2 crystals were being placed in the identical orientation, Together with the seed enter, the amplified pulse bandwidth was only 3 nm with 180 μJ energy when it broke the dichroic mirrors.
Amplified pulses having an Vitality higher than 2.five mJ is usually anticipated by making use of a higher pump electric power into the regenerative amplifier and which makes it do the job within the saturation stage. The laser fluence of ~1 J/cm2 over the dichroic mirrors is believed being down below the destruction threshold of higher-quality dielectric-coated mirrors.
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The black line denotes the configuration with the crystals placed in the exact same orientation, while the pink line is beneath the configuration of crystals positioned in orthogonal orientation.
The particular spectra were being reconstructed by correcting the calculated spectra using an account for that filter transmission features and for your sensitivity features from the spectrometers at the data submit-processing stage. The spectral dynamics in Just about every sample was measured by fantastic tuning the pump pulse Strength with a computer-controlled attenuator that was built-in during the laser process. Thermal Power meter EM (Ophir 3A-PF-twelve) was utilized to measure the SC Electrical power which was thereafter utilized to estimate the spectral Vitality density of your SC radiation. All of the measurements had been carried out with no translation from the sample with regard to the pump beam.
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The origin from the element's title emanates from the English word 'potash,' which means pot ashes, plus the Arabic phrase qali