5 Tips about CLBO Crystal You Can Use Today
5 Tips about CLBO Crystal You Can Use Today
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All-stable-state ultraviolet lasers are actually greatly Utilized in the fields of mechanical flaw detection, lithography, micromachining and medication for some great benefits of tiny quantity, extended life, superior effectiveness, superior beam excellent, extensive tuning and slender spectral line, and so on. Making use of superior power in the vicinity of-infrared coherent mild supply as the fundamental frequency supply based on nonlinear tuning technology, creating ultraviolet coherent radiation by multistage frequency conversion is considered to be an important method to build the ultraviolet coherent mild source.
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We summarized The existing progress status on the higher-ability DUV laser equally with the wavelength of FHG from the one-μm laser and at 193 nm. The current enhancement in the stable-condition/fiber laser, as well as the nonlinear optical crystals, prompts don't just the normal electric power but in addition the beam high-quality (coherence) from the DUV lasers to an unparalleled level.
The common energy of your NIR laser still has the possible to become enhanced to tens of watts including 70 W [26] In the event the double-move configuration might be used for the Yb:YAG SCF amplifier stage. For this reason, In the event the conversion effectiveness of 31% from NIR to DUV may very well be still managed at this bigger power situation, the typical output electrical power of your DUV laser at 258 nm can be more than twenty W, which might certainly be a amazing energy amount with the DUV laser and bring on the unanticipated DUV laser machining benefits. In addition, for top-ability DUV laser, the UV problems on the nonlinear crystal, including the Home windows for CLBO crystal as well as the mirrors, is yet another critical parameter for long term and secure operation.
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On another side, the facility scaling in the NIR laser is yet another factor to increase the ordinary electrical power of your 193-nm DUV laser. A result of the lack of the large-electricity amplification Alternative from the NIR laser (one example is at 1553 nm), nonlinear frequency procedures for instance optical parameter oscillation (OPO) could possibly be placed on create a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength and also getting relative greater electric power [21]. Recently, a diamond Raman laser confirmed its ability in attaining a substantial ability along with a substantial conversion performance within the 1st Stokes of the one-μm laser [22,23], which means the chance to generally be used in the 193-nm DUV laser technology because of its high Raman attain and huge frequency shift.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics of your Nd:YAG elementary laser wavelength. So that you can enhance the damage threshold, minimal CLBO surface area roughness, by ultra-precision machining, is needed. Since the CLBO crystal has easy hydroscopic response and micro scratches in machining, extremely-precise machining from the CLBO crystal is really a tricky specialized challenge.
Tunable ultraviolet laser resource based upon good-point out dye laser technology and CsLiB6O10 harmonic technology
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The event from the 193-nm laser was demonstrated by levels of SFG. As a way to scale the DUV laser ability properly, a completely new notion with the 193-nm DUV laser generation is presented based upon the diamond Raman laser.