5 Essential Elements For CLBO Crystal
5 Essential Elements For CLBO Crystal
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We summarized the current progress status with the higher-electric power DUV laser each with the wavelength of FHG with the 1-μm laser and at 193 nm. The the latest improvement in the reliable-condition/fiber laser, and also the nonlinear optical crystals, prompts not only the average electrical power but will also the beam high quality (coherence) of the DUV lasers to an unprecedented amount.
The common electrical power from the NIR laser still has the opportunity being improved to tens of watts for instance 70 W [26] In the event the double-pass configuration can be utilized for your Yb:YAG SCF amplifier phase. For this reason, In the event the conversion efficiency of 31% from NIR to DUV can be still preserved at this bigger electric power situation, the normal output ability from the DUV laser at 258 nm may very well be more than 20 W, which would become a amazing electric power degree with the DUV laser and result in the unanticipated DUV laser machining benefits. Also, for top-power DUV laser, the UV harm in the nonlinear crystal, including the windows for CLBO crystal as well as the mirrors, is another significant parameter for long lasting and stable operation.
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On the opposite side, the facility scaling with the NIR laser is an additional facet to boost the average electric power on the 193-nm DUV laser. A result of the lack of the superior-electricity amplification Answer with the NIR laser (as an example at 1553 nm), nonlinear frequency procedures including optical parameter oscillation (OPO) can be applied to build a wavelength converter by shifting here the wavelength from one μm to the specified wavelength along with getting relative larger electricity [21]. Recently, a diamond Raman laser confirmed its potential in achieving a substantial electric power and also a high conversion effectiveness on the 1st Stokes of the one-μm laser [22,23], which suggests the likelihood to become utilized during the 193-nm DUV laser generation due to its large Raman obtain and large frequency change.
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