CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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All-reliable-condition ultraviolet lasers happen to be commonly Employed in the fields of mechanical flaw detection, lithography, micromachining and medicine for some great benefits of small quantity, extended daily life, higher effectiveness, fantastic beam quality, wide tuning and slender spectral line, and so forth. Using significant electrical power near-infrared coherent light supply as the basic frequency resource based on nonlinear tuning technologies, making ultraviolet coherent radiation by multistage frequency conversion is considered an important way to produce the ultraviolet coherent mild supply.
In comparison to BBO it capabilities greater spectral and temperature acceptance, greater angle tolerance, and also a more compact wander-off angle. from 3289 $ delivery
We summarized The existing development position with the substantial-ability DUV laser both of those on the wavelength of FHG of the 1-μm laser and at 193 nm. The recent growth of your strong-condition/fiber laser, and also the nonlinear optical crystals, prompts not just the common ability but also the beam high quality (coherence) from the DUV lasers to an unprecedented amount.
The average ability on the NIR laser nonetheless has the potential to be enhanced to tens of watts including 70 W [26] if the double-go configuration could possibly be used for your Yb:YAG SCF amplifier phase. Therefore, if the conversion effectiveness of 31% from NIR to DUV might be still maintained at this better electrical power ailment, the common output power on the DUV laser at 258 nm could be more than 20 W, which might be a extraordinary power level for your DUV laser and bring about the unanticipated DUV laser machining outcomes. Moreover, for high-power DUV laser, the UV hurt from the nonlinear crystal, including the Home windows for CLBO crystal and the mirrors, is yet another crucial parameter for long run and steady operation.
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LBO is additionally a superb nonlinear crystal which is often applied to the SHG in the NIR to your eco-friendly. The DUV laser is usually recognized by two phases of SFG during the LBO crystals because there is no phase-matching angle for LBO to transform the inexperienced laser at 515 nm or 532 nm on the DUV straight by SHG [sixteen]. Lately, the NSBBF crystal has also revealed its probable to acquire a substantial conversion efficiency from 532 nm to 266 nm. The wander-off angle and deff with the NSBBF are Virtually similar to These of CLBO [17].
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In the scientific and industrial programs, the beam quality on the DUV laser is also a significant parameter. Specially, the beam top quality on the DUV laser considerably impacts the laser machining effects. The beam good quality of your DUV laser is set by that of the elemental laser as well as crystal for the frequency conversion. Just lately, a higher-energy DUV laser (>10 W) at 258 nm was documented by using a beam high-quality of M2 < one.5, which was generated by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would bring about an even better laser machining end result when compared with the previous DUV lasers with bigger M2.
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The beam profile demonstrated in Determine 7b shown a superb beam quality as one of many merits of Raman laser, which might be advantageous to deliver a 193-nm DUV laser with a high quality beam.
Its UV absorption edge reaches one hundred eighty nm. The successful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as massive as that of KDP. CLBO crystals could be developed with the stoichiometric melt with lessen viscosity.
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