CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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When compared to BBO it options larger sized spectral and temperature acceptance, improved angle tolerance, and a more compact walk-off angle. from 3289 $ delivery
According to the evidence-of-theory experiment, the conversion performance of 23% implied the potential for accomplishing substantial-energy at the 2nd Stokes wavelength with the Raman laser. In case the pump laser of 1078 nm may very well be attained at the normal electric power of 50 W, the output energy of its 2nd Stokes wavelength at 1512 nm could be much more than ten W. The design with the Raman laser cavity ought to be optimized so as to avoid the problems from the M1 and diamond floor.
The typical power of your NIR laser even now has the opportunity to get enhanced to tens of watts like 70 W [26] Should the double-pass configuration could possibly be used with the Yb:YAG SCF amplifier stage. Therefore, In case the conversion performance of 31% from NIR to DUV might be nonetheless taken care of at this better energy issue, the standard output energy in the DUV laser at 258 nm may very well be much more than twenty W, which would be considered a outstanding energy stage to the DUV laser and bring about the unanticipated DUV laser machining final results. In addition, for high-ability DUV laser, the UV hurt in the nonlinear crystal, including the Home windows for CLBO crystal and also the mirrors, is another crucial parameter for long run and steady operation.
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On the other aspect, the ability scaling in the NIR laser is an additional element to boost the ordinary electric power on the 193-nm DUV laser. As a result of lack of the significant-electrical power amplification solution of your NIR laser (one example is at 1553 nm), nonlinear frequency processes for instance optical parameter oscillation (OPO) could possibly be placed on create a wavelength converter by shifting the wavelength from one μm to the specified wavelength together with getting relative higher electricity [21]. Lately, a diamond Raman laser showed its means in attaining a superior electrical power in addition to a higher conversion effectiveness for the 1st Stokes of your one-μm laser [22,23], which implies the possibility for being applied inside the 193-nm DUV laser generation as a result of its large Raman gain and huge frequency shift.
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Within the scientific and industrial programs, the beam good quality with the DUV laser is usually an important parameter. Notably, the beam good quality on the DUV laser substantially impacts the laser machining final results. The beam high quality of the DUV laser is decided by that of the fundamental laser plus the crystal to the frequency conversion. Lately, a high-electric power DUV laser (>10 W) at 258 nm was documented using a beam top quality of M2 < 1.5, which was created by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would lead to a greater laser machining outcome when compared with the previous DUV lasers with much larger M2.
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The beam profile shown in Determine 7b demonstrated a very good beam good quality as one of many deserves of Raman laser, which would be effective to create a 193-nm DUV CLBO Crystal laser with a top quality beam.
Its UV absorption edge reaches one hundred eighty nm. The successful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as significant as that of KDP. CLBO crystals might be grown through the stoichiometric soften with decreased viscosity.
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