HuaXing Wu,1,2
GuiLing Wang,1,*
Xiao Yang Wang,1
Xin Zhang,1
Yong Zhu,1
and Chuang Tian Chen1
1Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, P.O. Box 2711, Beijing 100190, China
2Graduate University of Chinese Academy of Sciences, Beijing 100190, China
We have successfully grown a new nonlinear optical crystal, (RBBF), which belongs to the group of borate-based nonlinear optical crystals. Its refractive indices in the visible spectral region and type I phase-matching angles from the deep ultraviolet to the near infrared have been determined. Based on the measured refractive indices and phase-matching angles, the Sellmeier equations of RBBF have also been derived.
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“Exp.” denotes measured angles. “Calc.” denotes the angles calculated from the Sellmeier equations. Δ is the difference between the measured and calculated values. “I”, “II”, “III”, and “IV” denote data from experiments 1, 2, 3, and 4, respectively.
Table 3
Phase-Matching Angles for type I Sum-Frequency Mixing () with RBBFa
Signal Output Wavelength (nm)
Idler Output Wavelength (nm)
Sum-Frequency Angle (deg)
Exp.
Calc.
Δ
664.5
760.8
29.37
29.41
629.7
812.2
29.02
29.25
610.0
847.5
28.88
29.11
589.7
890.1
28.73
28.90
570.2
938.5
28.48
28.64
549.7
999.9
28.23
28.29
529.6
1074.0
28.06
27.86
0.20
515.0
1139.6
27.51
27.47
0.04
“Exp.” denotes measured angles. “Calc.” denotes the angles calculated from the Sellmeier equations; Δ is the difference between the measured and calculated values.
Tables (3)
Table 1
Measured and Calculated Refractive Indices of RBBF
“Exp.” denotes measured angles. “Calc.” denotes the angles calculated from the Sellmeier equations. Δ is the difference between the measured and calculated values. “I”, “II”, “III”, and “IV” denote data from experiments 1, 2, 3, and 4, respectively.
Table 3
Phase-Matching Angles for type I Sum-Frequency Mixing () with RBBFa
Signal Output Wavelength (nm)
Idler Output Wavelength (nm)
Sum-Frequency Angle (deg)
Exp.
Calc.
Δ
664.5
760.8
29.37
29.41
629.7
812.2
29.02
29.25
610.0
847.5
28.88
29.11
589.7
890.1
28.73
28.90
570.2
938.5
28.48
28.64
549.7
999.9
28.23
28.29
529.6
1074.0
28.06
27.86
0.20
515.0
1139.6
27.51
27.47
0.04
“Exp.” denotes measured angles. “Calc.” denotes the angles calculated from the Sellmeier equations; Δ is the difference between the measured and calculated values.