A Review Of CLBO Crystal
A Review Of CLBO Crystal
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During this paper, the new lapping slurry and sharpening slurry are released. Along with the deliquescence diploma of CLBO is fallen to cheapest. A brand new working technologies can be adopted. Just after tough sprucing, the focus of extremely-precision sharpening slurry is greater properly. So does the extremely-precision sprucing pace, along with the wiping pace is faster compared to deliquescence speed. The CLBO crystal surface area roughness can attain 1nm and maintain the surface high-quality perfectly. Entry by means of your institution
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We summarized the current enhancement status of the significant-electrical power DUV laser each for the wavelength of FHG from the one-μm laser and at 193 nm. The current growth from the stable-point out/fiber laser, plus the nonlinear optical crystals, prompts not only the common ability but additionally the beam good quality (coherence) of your DUV lasers to an unprecedented level.
For example, The existing concave OC could get replaced by a aircraft mirror which could mitigate the power density on the surface of M1 and the diamond. What's more, employing higher destruction threshold coatings for M1 and diamond would also Enhance the output power with no damages. Then, the NIR laser at the 2nd Stokes wavelength can be large more than enough, along with its very good beam quality, to create the ultimate DUV laser at 193 nm with a large common ability.
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On one other aspect, the ability scaling of your NIR laser is yet another factor to raise the typical power with the 193-nm DUV laser. Due to insufficient the superior-electricity amplification solution with the NIR laser (as an example at 1553 nm), nonlinear frequency procedures including optical parameter oscillation (OPO) might be placed on establish a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength and also acquiring relative bigger ability [21]. Not long ago, a diamond Raman laser confirmed its capability in reaching a high ability and also a high conversion performance with the 1st Stokes of the 1-μm laser [22,23], which implies the possibility being applied in the 193-nm DUV laser technology as a consequence of its substantial Raman acquire and large frequency change.
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The heartbeat length of the 2nd Stokes mild was shortened to five ns as revealed in Figure 7a, one-shot photo from your oscilloscope, which happens to be a common phenomenon in Raman laser [44] when the heart beat duration in the pump laser was 10 ns.
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The beam profile revealed in Determine 7b shown a great beam good quality as one of the merits of Raman laser, which would be advantageous to create a 193-nm DUV laser with a high quality beam.
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