The Definitive Guide to CLBO Crystal
The Definitive Guide to CLBO Crystal
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In this particular paper, The brand new lapping slurry and sprucing slurry are released. And also the deliquescence degree of CLBO is fallen to least expensive. A new Functioning technological know-how is also adopted. Right after rough sprucing, the focus of extremely-precision polishing slurry is enhanced appropriately. So does the extremely-precision polishing speed, as well as wiping velocity is faster compared to deliquescence velocity. The CLBO crystal area roughness can obtain 1nm and maintain the floor good quality nicely. Entry as a result of your establishment
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We summarized The present enhancement status in the significant-power DUV laser the two for the wavelength of FHG of the 1-μm laser and at 193 nm. The modern enhancement of the strong-state/fiber laser, in addition to the nonlinear optical crystals, prompts not simply the normal electric power but will also the beam high-quality (coherence) from the DUV lasers to an unparalleled stage.
The common electrical power of the NIR laser even now has the potential to get enhanced to tens of watts including 70 W [26] Should the double-move configuration could be utilized to the Yb:YAG SCF amplifier phase. Hence, In case the conversion performance of 31% from NIR to DUV could be nonetheless taken care of at this increased electrical power affliction, the normal output electric power of your DUV laser at 258 nm could be more than 20 W, which would be described as a remarkable electrical power degree for that DUV laser and lead to the unanticipated DUV laser machining final results. In addition, for prime-power DUV laser, the UV damage of the nonlinear crystal, including the windows for CLBO crystal and the mirrors, is yet another vital parameter for long-lasting and secure Procedure.
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On the opposite side, the facility scaling in the NIR laser is another aspect to enhance the normal electrical power from the 193-nm DUV laser. Due to the deficiency of the substantial-energy amplification Option with the NIR laser (as an example at 1553 nm), nonlinear frequency procedures including optical parameter oscillation (OPO) can be applied to develop a wavelength converter by shifting the wavelength from one μm to the desired wavelength and also acquiring relative better energy [21]. Not too long ago, a diamond Raman laser confirmed its capability in obtaining a significant electrical power and also a superior conversion efficiency in the 1st Stokes in the 1-μm laser [22,23], which implies the possibility to be applied in the 193-nm DUV laser generation because of its higher Raman acquire and large frequency change.
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The heartbeat duration of the next Stokes light was shortened to five ns as demonstrated in Figure 7a, one-shot photo within the oscilloscope, which is a standard phenomenon in Raman laser [forty four] while the heart beat duration of the pump laser was 10 ns.
Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics in the Nd:YAG basic laser wavelength. As a way to boost the harm threshold, low CLBO area roughness, by extremely-precision machining, is needed. Since the CLBO crystal has straightforward hydroscopic reaction and micro scratches in machining, extremely-precise machining of your CLBO crystal can be a tough technological dilemma.
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