The Definitive Guide to CLBO Crystal
The Definitive Guide to CLBO Crystal
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The key issue of ultraviolet coherent light-weight resource mainly focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is among the situations for frequency transformation, so The expansion, size, damage resistance, conversion efficiency and allowable parameter range of nonlinear optical crystal are demanded Increasingly more.
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Each the 1040 nm and 1078 nm laser originate from just one dual-wavelength Yb-doped fiber laser. Each and every laser is amplified by stages of fiber amplifier and Yb-doped products amplifier, respectively.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics on the Nd:YAG basic laser wavelength. In order to greatly enhance the problems threshold, reduced CLBO area roughness, by ultra-precision machining, is necessary. Because the CLBO crystal has easy hydroscopic reaction and micro scratches in machining, extremely-precise machining in the CLBO crystal is a hard technical dilemma.
The beam profile shown in Figure 7b demonstrated a superb beam high-quality as among the merits of Raman laser, which would be advantageous to deliver a 193-nm DUV laser with a top quality beam.
The conversion effectiveness from essential NIR to DUV is from five% to 36% based on the claimed results in Table one. Increasing the conversion effectiveness will lessen the stress on the design and setup of the elemental laser amplifier in addition to the electrical power consumption. An excellent beam excellent of the elemental laser may also contribute for the rising on the conversion effectiveness and the right power depth of here the NIR and eco-friendly laser while in the SHG and FHG approach, respectively. The very best conversion efficiencies from NIR to eco-friendly and green to DUV laser by usage of CLBO crystal are 70% and all over 50%, respectively [12], which corresponds into the conversion effectiveness of 35% from fundamental to DUV.
The development on the 193-nm laser was shown by stages of SFG. In an effort to scale the DUV laser power properly, a new notion with the 193-nm DUV laser technology is introduced depending on the diamond Raman laser.