New Step by Step Map For CLBO Crystal
New Step by Step Map For CLBO Crystal
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All-sound-condition ultraviolet lasers are actually widely used in the fields of mechanical flaw detection, lithography, micromachining and medication for the advantages of little volume, extensive lifetime, significant effectiveness, great beam high quality, wide tuning and slender spectral line, and so on. Making use of substantial power in close proximity to-infrared coherent mild supply as the fundamental frequency resource based upon nonlinear tuning technology, producing ultraviolet coherent radiation by multistage frequency conversion is considered to be a vital way to build the ultraviolet coherent light-weight source.
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The crucial element problem of ultraviolet coherent light supply largely concentrates on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal has become the circumstances for frequency transformation, so the growth, measurement, hurt resistance, conversion effectiveness and allowable parameter array of nonlinear optical crystal are needed An increasing number of.
However, the beam quality of this greater power DUV laser would develop into worse resulting from far more serious thermal and nonlinear results. As a result, the frequency conversion processes must be diligently made to mitigate the aforementioned results. Thus, a large-electric power DUV laser within the FHG of one μm with a very good beam high quality could possibly be acquired and will be beneficial for getting the shorter wavelength DUV lasers which include 193 nm by SFG.
Both the 1040 nm and 1078 nm laser originate from one particular twin-wavelength Yb-doped fiber laser. Each individual laser is amplified by levels of fiber amplifier and Yb-doped products amplifier, respectively.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics on the Nd:YAG fundamental laser wavelength. In order to enrich the hurt threshold, reduced CLBO area roughness, by ultra-precision machining, is needed. As the CLBO crystal click here has effortless hydroscopic reaction and micro scratches in machining, ultra-exact machining with the CLBO crystal is usually a challenging complex difficulty.
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Its UV absorption edge reaches 180 nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as substantial as that of KDP. CLBO crystals might be grown through the stoichiometric soften with decrease viscosity.
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