The best Side of CLBO Crystal

The best Side of CLBO Crystal

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Based on the proof-of-basic principle experiment, the conversion performance of 23% implied the opportunity of accomplishing substantial-electricity at the second Stokes wavelength of the Raman laser. In the event the pump laser of 1078 nm could possibly be obtained at the standard electricity of 50 W, the output electric power of its 2nd Stokes wavelength at 1512 nm could possibly be more than ten W. The look in the Raman laser cavity should be optimized so that you can stay away from the destruction in the M1 and diamond floor.

The standard electric power on the NIR laser even now has the possible to be improved to tens of watts like 70 W [26] When the double-go configuration may be utilized for that Yb:YAG SCF amplifier stage. For this reason, In the event the conversion performance of 31% from NIR to DUV could possibly be continue to taken care of at this bigger ability issue, the average output power in the DUV laser at 258 nm may very well be greater than 20 W, which would be described as a remarkable energy stage for that DUV laser and produce the unanticipated DUV laser machining outcomes. Additionally, for prime-electricity DUV laser, the UV problems with the nonlinear crystal, such as the windows for CLBO crystal as well as the mirrors, is an additional important parameter for long lasting and stable Procedure.

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The two the 1040 nm and 1078 nm laser come from a single dual-wavelength Yb-doped fiber laser. Each laser is amplified by phases of fiber amplifier and Yb-doped components amplifier, respectively.

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In the scientific and industrial applications, the beam quality of your DUV laser can be an essential parameter. Notably, the beam top quality in the DUV laser drastically influences the laser machining benefits. The beam good quality from the DUV laser is decided by that of the basic laser and the crystal for that frequency conversion. Not too long ago, a high-electricity DUV laser (>ten W) at 258 nm was documented which has a beam excellent of M2 < one.5, which was produced by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would result in an even better laser machining outcome in comparison with the past DUV lasers with greater M2.

The pulse period of the next Stokes light-weight was shortened to 5 ns as demonstrated in Figure 7a, a single-shot photo from your oscilloscope, that is a standard phenomenon in Raman laser [44] even though the pulse length of your pump laser was 10 ns.

Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics with the Nd:YAG elementary laser wavelength. So as to increase the damage threshold, small CLBO floor roughness, by ultra-precision machining, is necessary. As the CLBO crystal has uncomplicated hydroscopic reaction and micro scratches in machining, extremely-exact machining from the CLBO crystal is really a tough technological dilemma.

The beam profile shown in Figure 7b demonstrated an excellent beam excellent as one of the merits of click here Raman laser, which would be advantageous to create a 193-nm DUV laser with a high quality beam.

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