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Assessment of diffusion-bonded KTP crystals for efficient, low pulse energy conversion from 1 to 2 (mu)m

机译:评估扩散结合的KTP晶体从1到2μm的高效,低脉冲能量转换

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摘要

Diffusion bonded (DB) walk-off compensated KTP crystals offer an alternative nonlinear medium for efficient 1 to 2 (mu)m conversion within optical parametric oscillators (OPOs) at low pulse energies. Spatial variations in optical absorption and transmission values measured at 2 (mu)m are reported for two DB-KTP crystals. Finally, a comparison is made between the conversion efficiency obtained from a degenerate 1 (mu)m pumped OPO using a single 20 mm KTP crystal and an equivalent length DB-KTP crystal consisting of two bonded 10 mm crystals.
机译:扩散键合(DB)离散补偿KTP晶体提供了另一种非线性介质,可在低脉冲能量下在光学参量振荡器(OPO)内实现有效的1至2μm转换。对于两个DB-KTP晶体,报告了在2μm处测得的光吸收和透射值的空间变化。最后,将使用单个20 mm KTP晶体从简并的1μm抽运的OPO和由两个键合的10 mm晶体组成的等效长度DB-KTP晶体获得的转换效率进行比较。

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