CLBO Crystal Can Be Fun For Anyone
CLBO Crystal Can Be Fun For Anyone
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During this paper, The brand new lapping slurry and sprucing slurry are launched. Along with the deliquescence degree of CLBO is fallen to most affordable. A new working technological know-how is also adopted. Immediately after rough polishing, the concentration of ultra-precision sprucing slurry is improved thoroughly. So does the extremely-precision sprucing velocity, as well as wiping velocity is quicker than the deliquescence pace. The CLBO crystal surface roughness can accomplish 1nm and maintain the surface high-quality perfectly. Entry as a result of your establishment
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According to the proof-of-theory experiment, the conversion performance of 23% implied the possibility of attaining substantial-ability at the 2nd Stokes wavelength of the Raman laser. When the pump laser of 1078 nm could possibly be acquired at the common electricity of 50 W, the output electrical power of its 2nd Stokes wavelength at 1512 nm could possibly be over 10 W. The look with the Raman laser cavity really should be optimized so as to stay away from the harm of the M1 and diamond floor.
The true secret challenge of ultraviolet coherent gentle resource primarily focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is amongst the problems for frequency transformation, so the growth, dimensions, damage resistance, conversion efficiency and allowable parameter range of nonlinear optical crystal are expected more and more.
On the other hand, the beam top quality of this increased ability DUV laser would turn out to be worse on account of more serious thermal and nonlinear results. For this reason, the frequency conversion procedures ought to be thoroughly designed to mitigate the aforementioned effects. Therefore, a substantial-electric power DUV laser within the FHG of one μm with a very good beam quality could be obtained and may be advantageous for obtaining the shorter wavelength DUV lasers such as 193 nm by SFG.
LBO is additionally a wonderful nonlinear crystal which is always applied to the SHG with the NIR on the environmentally friendly. The DUV laser is normally recognized by two phases of SFG from the LBO crystals since there is not any phase-matching angle for LBO to transform the green laser at 515 nm or 532 nm to the DUV straight by SHG [16]. Lately, the NSBBF crystal has also revealed its possible to obtain a higher conversion efficiency from 532 nm to 266 nm. The wander-off angle and deff with the NSBBF are Just about similar to those of CLBO [seventeen].
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The heart beat length of the 2nd Stokes mild was shortened to five ns as proven in Figure 7a, one-shot picture within the oscilloscope, that is a standard phenomenon in Raman laser [44] even though the heart beat length of your pump laser was 10 ns.
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The beam profile shown in Figure 7b demonstrated a good beam top quality as among the list of deserves of Raman laser, which might be beneficial to produce a 193-nm DUV laser with a high quality beam.
Its UV absorption edge reaches a hundred and eighty read more nm. The helpful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as large as that of KDP. CLBO crystals is usually grown from the stoichiometric soften with reduced viscosity.
The development of the 193-nm laser was shown by stages of SFG. In an effort to scale the DUV laser ability efficiently, a completely new notion of your 193-nm DUV laser generation is offered based upon the diamond Raman laser.