Having said that, so as to procedure the crystal may be very Highly developed manufacturing approaches are expected. For the reason that dawn of this crystal, working on this problem, we at the moment are the sole corporation on earth which might be processed With this crystal.
When compared to BBO it attributes larger sized spectral and temperature acceptance, superior angle tolerance, along with a scaled-down wander-off angle. from 3289 $ shipping and delivery
Based on the evidence-of-basic principle experiment, the conversion efficiency of 23% implied the possibility of reaching higher-electrical power at the next Stokes wavelength on the Raman laser. If your pump laser of 1078 nm may very well be attained at the average energy of 50 W, the output electrical power of its 2nd Stokes wavelength at 1512 nm might be much more than ten W. The look on the Raman laser cavity must be optimized in an effort to avoid the damage of your M1 and diamond floor.
The important thing difficulty of ultraviolet coherent light source predominantly focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is probably the conditions for frequency transformation, so The expansion, size, harm resistance, conversion effectiveness and allowable parameter variety of nonlinear optical crystal are expected A lot more.
Alternatively, the beam quality of this bigger power DUV laser would turn into even worse as a result of additional serious thermal and nonlinear results. As a result, the frequency conversion processes should be meticulously designed to mitigate the aforementioned results. Consequently, a significant-power DUV laser on the FHG of 1 μm with a great beam top quality could possibly be received and will be advantageous for obtaining the shorter wavelength DUV lasers such as 193 nm by SFG.
Each the 1040 nm and 1078 nm laser originate from just one twin-wavelength Yb-doped fiber laser. Every single laser is amplified by phases of fiber amplifier and Yb-doped supplies amplifier, respectively.
On the opposite aspect, the power scaling of the NIR laser is yet another element to raise the ordinary electric power on the 193-nm DUV laser. As a result of insufficient the significant-energy amplification Resolution from the NIR laser (one example is at 1553 nm), nonlinear frequency procedures like optical parameter oscillation (OPO) may be placed on produce a wavelength converter by shifting the wavelength from one μm to the specified wavelength as well as obtaining relative greater electrical power [21]. A short while ago, a diamond Raman laser confirmed its ability in achieving a large electricity and also a superior conversion performance within the 1st Stokes of your one-μm laser [22,23], which suggests the likelihood for being applied in the 193-nm DUV laser technology because of its significant Raman get and huge frequency shift.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics with the Nd:YAG fundamental laser wavelength. So here as to enhance the problems threshold, very low CLBO surface roughness, by extremely-precision machining, is required. As the CLBO crystal has simple hydroscopic reaction and micro scratches in machining, ultra-precise machining in the CLBO crystal is really a challenging complex difficulty.
Tunable ultraviolet laser supply based upon stable-condition dye laser know-how and CsLiB6O10 harmonic era
Its UV absorption edge reaches a hundred and eighty nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as significant as that of KDP. CLBO crystals might be developed through the stoichiometric soften with lower viscosity.
The development in the 193-nm laser was shown by stages of SFG. So as to scale the DUV laser energy properly, a new notion with the 193-nm DUV laser technology is presented depending on the diamond Raman laser.