CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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The important thing challenge of ultraviolet coherent light supply predominantly focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is probably the disorders for frequency transformation, so The expansion, dimensions, destruction resistance, conversion performance and allowable parameter choice of nonlinear optical crystal are expected Increasingly more.
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LBO is also a superb nonlinear crystal which is often applied to the SHG with the NIR to the eco-friendly. The DUV laser is often understood by two levels of SFG in the LBO crystals given that there isn't a period-matching angle for LBO to convert the green laser at 515 nm or 532 nm on the DUV straight by SHG [sixteen]. Lately, the NSBBF crystal has also proven its likely to get a substantial conversion effectiveness from 532 nm to 266 nm. The stroll-off angle and deff in the NSBBF are Virtually much like Individuals of CLBO [seventeen].
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The heartbeat period of the next Stokes light was shortened to five ns as revealed in Figure 7a, just one-shot image through the oscilloscope, which can be a common phenomenon in Raman laser [44] while the heart beat duration with the pump laser was 10 ns.
Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics of the Nd:YAG fundamental laser wavelength. To be able to boost the injury threshold, reduced CLBO surface roughness, by ultra-precision machining, is necessary. Since the CLBO crystal has effortless hydroscopic reaction and micro scratches in machining, extremely-precise machining of your CLBO crystal is usually a complicated complex difficulty.
The beam profile demonstrated in Determine 7b shown a good beam top quality as among the deserves of Raman laser, which would be advantageous to create a 193-nm DUV laser with a high quality beam.
The conversion performance from fundamental NIR to DUV is from 5% to 36% in accordance with the documented brings about Desk 1. Rising the conversion performance will reduce the load on the look and setup of the basic laser amplifier as well as the electrical ability consumption. A very good beam top quality of the elemental laser may also lead to your increasing from the conversion effectiveness together with the right ability depth of your NIR and green laser within the SHG and FHG method, respectively. The best conversion efficiencies from NIR more info to environmentally friendly and environmentally friendly to DUV laser by utilization of CLBO crystal are 70% and all around 50%, respectively [twelve], which corresponds to your conversion effectiveness of 35% from fundamental to DUV.
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