The Greatest Guide To CLBO Crystal
The Greatest Guide To CLBO Crystal
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Even so, so that you can course of action the crystal is incredibly Sophisticated manufacturing techniques are demanded. For the reason that dawn of the crystal, focusing on this obstacle, we at the moment are the only enterprise on this planet that may be processed In this particular crystal.
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According to the proof-of-theory experiment, the conversion effectiveness of 23% implied the opportunity of obtaining high-electricity at the 2nd Stokes wavelength in the Raman laser. If the pump laser of 1078 nm could possibly be received at the standard energy of 50 W, the output energy of its 2nd Stokes wavelength at 1512 nm might be more than ten W. The design of the Raman laser cavity need to be optimized so as to stay away from the injury in the M1 and diamond area.
The typical power of the NIR laser nonetheless has the likely to generally be improved to tens of watts like 70 W [26] If your double-go configuration could possibly be used with the Yb:YAG SCF amplifier stage. Consequently, If your conversion performance of 31% from NIR to DUV could be continue to taken care of at this bigger energy issue, the standard output ability from the DUV laser at 258 nm may be in excess of twenty W, which might be described as a impressive electrical power amount with the DUV laser and produce the unanticipated DUV laser machining effects. Additionally, for high-electrical power DUV laser, the UV damage of your nonlinear crystal, such as the windows for CLBO crystal as well as mirrors, is an additional vital parameter for long term and secure operation.
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On another side, the facility scaling with the NIR laser is an additional factor to improve the regular energy of the 193-nm DUV laser. Because of the lack of the superior-electric power amplification Resolution from the NIR laser (for example at 1553 nm), nonlinear frequency procedures including optical parameter oscillation (OPO) could be placed on build a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength together with obtaining relative increased electricity [21]. Recently, a diamond Raman laser showed its potential in achieving a higher electricity in addition to a high conversion efficiency on the 1st Stokes on the 1-μm laser [22,23], which suggests the chance to become used inside the 193-nm DUV laser generation on account of its significant Raman attain and enormous frequency change.
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The pulse period of the 2nd Stokes mild was shortened to five ns as shown in Figure 7a, a single-shot image in the oscilloscope, and that is a standard phenomenon in Raman laser [forty four] though the heartbeat period of the pump laser was 10 ns.
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Its UV absorption edge reaches one hundred eighty nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as significant as that of KDP. CLBO crystals is often grown within the stoichiometric melt with reduce viscosity.
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