What Does CLBO Crystal Mean?
What Does CLBO Crystal Mean?
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For example, The existing concave OC could be replaced by a plane mirror which could mitigate the ability density within the surface of M1 along with the diamond. Moreover, making use of large hurt threshold coatings for M1 and diamond would also Increase the output electrical power with no damages. Then, the NIR laser within the 2nd Stokes wavelength could be higher more than enough, in addition to its great beam high quality, to generate the ultimate DUV laser at 193 nm with a significant ordinary ability.
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Both equally the 1040 nm and 1078 nm laser come from one particular dual-wavelength Yb-doped fiber laser. Each laser is amplified by phases of fiber amplifier and Yb-doped materials amplifier, respectively.
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During the scientific and industrial apps, the beam quality from the DUV laser can also be a significant parameter. Specially, the beam top quality on the DUV laser dramatically affects the laser machining success. The beam top quality on the DUV laser is decided by that of the fundamental laser and also the crystal with the frequency conversion. Not too long ago, a significant-power DUV laser (>10 W) at 258 nm was noted that has a beam good quality of M2 < one.five, which was generated by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would cause a far better laser machining final result as compared to the past DUV lasers with bigger M2.
The heartbeat duration of the second Stokes gentle was shortened to five ns as shown in Figure 7a, one-shot image from your oscilloscope, that's a typical phenomenon in Raman laser [44] though the pulse duration with the pump laser was 10 ns.
Furthermore, combining the solid-condition laser with other nonlinear course of action for instance stimulated Raman scattering, NIR lasers could possibly be achieved at new wavelengths with significant electrical power and superior beam quality, which was tested via the proof-of-basic principle experiment. This Raman laser plan delivers a fresh path to the high-ability DUV laser, Specifically on the wavelength of 193 nm.
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