Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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Even so, in an effort to method the crystal is very advanced producing strategies are required. Since the dawn of the crystal, working on this obstacle, we are now the only real firm on the earth which can be processed In this particular crystal.
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The standard power of the NIR laser still has the possible being improved to tens of watts like 70 W [26] Should the double-move configuration can be used to the Yb:YAG SCF amplifier stage. Hence, if the conversion performance of 31% from NIR to DUV could possibly be even now maintained at this bigger electric power condition, the typical output electricity in the DUV laser at 258 nm may be more than 20 W, which would certainly be a amazing power level for that DUV laser and bring about the unanticipated DUV laser machining effects. In addition, for high-energy DUV laser, the UV destruction of the nonlinear crystal, including the Home windows for CLBO crystal and also the mirrors, is an additional crucial parameter for lasting and stable Procedure.
However, the beam excellent of this better electrical power DUV laser would become worse on account of extra critical thermal and nonlinear consequences. Therefore, the frequency conversion processes needs to be thoroughly created to mitigate the aforementioned outcomes. Consequently, a superior-ability DUV laser at the FHG of 1 μm with a very good beam excellent could be obtained and will be beneficial for obtaining the shorter wavelength DUV lasers like 193 nm by SFG.
Both the 1040 nm and 1078 nm laser originate from a person twin-wavelength Yb-doped fiber laser. Every single laser is amplified by levels of fiber amplifier and Yb-doped resources amplifier, respectively.
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The heart beat duration of the next Stokes light-weight was shortened to five ns as revealed in Figure 7a, only one-shot photo from the oscilloscope, which can be a common phenomenon in Raman laser [44] while the heartbeat length with the pump laser was 10 ns.
Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics of the Nd:YAG elementary laser wavelength. As a way to improve the damage threshold, reduced CLBO area roughness, by ultra-precision machining, is necessary. Since the CLBO crystal has simple hydroscopic response and micro scratches in machining, ultra-exact machining from the CLBO crystal is usually a difficult complex difficulty.
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Its UV absorption edge reaches one hundred eighty nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as massive as that of KDP. CLBO crystals is usually grown from the stoichiometric soften with lower viscosity.
The development on the 193-nm laser was shown by stages of SFG. In an effort to scale the DUV laser power properly, a completely new idea with the 193-nm DUV laser technology is introduced based on the diamond Raman laser.