The Ultimate Guide To CLBO Crystal

The Ultimate Guide To CLBO Crystal

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Nevertheless, in order to system the crystal is rather State-of-the-art production techniques are expected. Because the dawn of this crystal, working on this problem, we at the moment are the sole enterprise on this planet that could be processed in this crystal.

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We summarized the current enhancement position in the high-ability DUV laser equally at the wavelength of FHG on the one-μm laser and at 193 nm. The latest development with the strong-condition/fiber laser, along with the nonlinear optical crystals, prompts don't just the typical electric power but also the beam good quality (coherence) in the DUV lasers to an unparalleled amount.

The standard electric power on the NIR laser nevertheless has the possible to be enhanced to tens of watts like 70 W [26] Should the double-move configuration could be used for your Yb:YAG SCF amplifier phase. Consequently, if the conversion effectiveness of 31% from NIR to DUV might be however maintained at this increased power problem, the standard output energy with the DUV laser at 258 nm could be over twenty W, which might certainly be a exceptional electricity stage with the DUV laser and lead to the unanticipated DUV laser machining effects. What's more, for high-energy DUV laser, the UV injury in the nonlinear crystal, including the Home windows for CLBO crystal and the mirrors, is another essential parameter for long-term and secure Procedure.

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LBO is also a fantastic nonlinear crystal which is often placed on the SHG in the NIR on the environmentally friendly. The DUV laser is generally realized by two stages of SFG while in the LBO crystals considering the fact that there isn't any stage-matching angle for LBO to convert the environmentally friendly laser at 515 nm or 532 nm to the DUV straight by SHG [16]. Lately, the NSBBF crystal has also shown its potential to acquire a superior conversion performance from 532 nm to 266 nm. The stroll-off angle and deff in the NSBBF are Virtually similar to Individuals of CLBO [seventeen].

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While in the scientific and industrial apps, the beam good quality in the DUV laser is additionally a vital parameter. Specifically, the beam top quality from the DUV laser dramatically has an effect on the laser machining benefits. The beam high quality of the DUV laser is set by that of the fundamental laser and the crystal for the frequency conversion. Not long ago, a large-ability DUV laser (>10 W) at 258 nm was claimed using a beam high-quality of M2 < 1.5, which was produced by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would bring on a better laser machining end result compared to the earlier DUV lasers with more substantial M2.

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Also, combining the strong-condition laser with other nonlinear system including stimulated Raman scattering, NIR lasers can be accomplished at new wavelengths get more info with superior energy and substantial beam high-quality, which was tested from the proof-of-principle experiment. This Raman laser scheme gives a different route to the large-electric power DUV laser, Primarily within the wavelength of 193 nm.

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The event from the 193-nm laser was shown by levels of SFG. In an effort to scale the DUV laser power proficiently, a fresh concept of your 193-nm DUV laser era is offered based on the diamond Raman laser.