The smart Trick of KGW Crystal That Nobody is Discussing
The smart Trick of KGW Crystal That Nobody is Discussing
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Past do the job showed that the dual-crystal configuration may be used to compensate to the thermal lensing result[
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Simultaneously, a shorter laser wavelength might be attained; it is achievable to function using a quantum defect properly under one%. Like a consequence, the heat technology might be so tiny this partly compensates the lower thermal conductivity.
Its pump laser needs a brief pulse length, a very low time jitter, and easy temporal and spatial distributions due to intrinsic instantaneous approach. Therefore, the OPCPA method is much more complicated and expensive.
Amplified pulses with an Electricity over two.5 mJ is usually envisioned by implementing a better pump electrical power towards the regenerative amplifier and which makes it function on the saturation amount. The laser fluence of ~one J/cm2 to the dichroic mirrors is considered to get beneath the hurt threshold of higher-quality dielectric-coated mirrors.
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KGW (potassium gadolinium tungstate) is really a crystal that is commonly utilised for a click here Raman crystal in Raman spectroscopy. It is just a colorless, transparent crystal that has a significant Raman scattering performance and a solid Raman spectrum, rendering it ideal for A selection of Raman applications.
Request RP Photonics for just about any guidance relating to tungstate lasers, together with femtosecond lasers and superior-power lasers.
We formulated a diode-pumped Yb:KGW regenerative amplifier as the front conclude on the kilohertz terawatt laser program. Wide bandwidth pulses have been received by implementing dual crystals with different orientations of their optical axes[
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A multi-move primary amplifier will additional Raise the Strength to over 40 mJ. We are going to implement cryogenically cooled Yb:KGW know-how to restrain the thermal result. Two stages of compression will likely be made use of after amplification. The primary stage requires a typical Treacy-style compressor, and could compress the heartbeat duration to beneath 300 fs by having an efficiency of close to 70%. The next stage involves a gas-stuffed multi-pass mobile[
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