Measurement of the chi(2) tensor of GdCa4O(BO3)3 and YCa4O(BO3)3 crystals

Michael V. Pack; Darrell J. Armstrong; Arlee V. Smith; Gerard Aka; Bernard Ferrand; Denis Pelenc

doi:10.1364/JOSAB.22.000417

Measurement of the χ⁽²⁾ tensor of GdCa₄O(BO₃)₃ and YCa₄O(BO₃)₃ crystals

Michael V. Pack, Darrell J. Armstrong, Arlee V. Smith, Gerard Aka, Bernard Ferrand, and Denis Pelenc

Journal of the Optical Society of America B
Vol. 22,
Issue 2,
pp. 417-425
(2005)
•https://doi.org/10.1364/JOSAB.22.000417

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Michael V. Pack, Darrell J. Armstrong, Arlee V. Smith, Gerard Aka, Bernard Ferrand, and Denis Pelenc, "Measurement of the chi(2) tensor of GdCa4O(BO3)3 and YCa4O(BO3)3 crystals," J. Opt. Soc. Am. B 22, 417-425 (2005)

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Previously assigned OCIS codes
- Nonlinear optical materials (160.4330)
- Nonlinear optics, materials (190.4400)

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Abstract

Using the separated-beam method, we have measured the full second-order nonlinear optical tensors of the crystals ${GdCa}_{4} O ({BO}_{3})_{3}$ and ${YCa}_{4} O ({BO}_{3})_{3} .$ Our d tensors $(d = χ^{(2)} / 2)$ differ from those of previous reports but give nearly the same values of $d_{eff}$ for type-I doubling of 1064-nm light. However, for other wavelengths or for type-II doubling, our tensors give values for $d_{eff}$ distinctly different from the alternative tensors.

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Crystal Sample	$n_{x}$ (1064 nm)	$n_{x}$ (532 nm)	$n_{y}$ (1064 nm)	$n_{y}$ (532 nm)	$n_{z}$ (1064 nm)	$n_{z}$ (532 nm)
GCOB (x cut)			1.7055	1.7277	1.7143	1.7367
GCOB (y cut)	1.6810	1.7015			1.7145	1.7369
GCOB (z cut)	1.6812	1.7015	1.7059	1.7276
Sellmeier7	1.6806	1.7010	1.7048	1.7272	1.7138	1.7362
YCOB (x cut)			1.6975	1.7192	1.7081	1.7302
YCOB (y cut)	1.6670	1.6864			1.7081	1.7302
YCOB (z cut)	1.6673	1.6867	1.6980	1.7196
Sellmeier7	1.6669	1.6861	1.6979	1.7191	1.7080	1.7299

Crystal Sample	$d_{xxx}$	$d_{xyy}$	$d_{yyx}$	$d_{xzz}$	$d_{zxz}$	$d_{xxz}$	$d_{zxx}$	$d_{yyz}$	$d_{zyy}$	$d_{zzz}$
GCOB x cut								1.66 ±0.043	1.67 ±0.037	-1.18 ±0.028
GCOB y cut	0.27 ±0.022			-0.58 ±0.018	-0.61 ±0.024	-0.36 ±0.023	-0.32 ±0.017			-1.21 ±0.028
GCOB z cut	0.29 ±0.025	0.21 ±0.035	0.23 ±0.025
YCOB x cut								1.62 ±0.039	1.62 ±0.036	-1.19 ±0.035
YCOB y cut					-0.59 ±0.020		-0.30 ±0.016			-1.20 ±0.035
YCOB z cut	0.155 ±0.012	0.235 ±0.024	0.24 ±0.023

Reference	$d_{xxx}$	$d_{xyy} / d_{yyx}$	$d_{xzz} / d_{zxz}$	$d_{xxz} / d_{zxx}$	$d_{yyz} / d_{zyy}$	$d_{zzz}$
This paper	0.28	0.212/0.228	-0.58/-0.61	-0.36/-0.32	1.66/1.67	-1.20
Wang10	0	0.27	-0.85	0.2	2.23	-1.87
Aka7	—	0.33	-0.87	—	2.4	—
Adams8	—	$0.22 \pm 0.05$	—	—	$1.72 \pm 0.13$	—
Chen12 (gaussian)	0.04	0.128	-0.17	0.148	0.74	-0.92
Chen12 (cndo)	0.05	0.166	-0.22	0.162	1.0	-1.14

Reference	$d_{xxx}$	$d_{xyy} / d_{yyx}$	$d_{xzz} / d_{zxz}$	$d_{xxz} / d_{zxx}$	$d_{yyz} / d_{zyy}$	$d_{zzz}$
This paper	0.155	0.235/0.24	-0.59/-0.59	-0.30/-0.30	1.62/1.62	-1.20
Wang10	0	0.24	-0.73	0.41	2.35	-1.6
Aka7	—	0.34	-0.71	—	2.03	—
Adams8	—	$0.26 \pm 0.04$	—	—	$1.69 \pm 0.17$	—
Chen11 (measured)	—	—	—	—	1.36	-0.93
Chen11 (gaussian)	-0.104	-0.015	-0.253	0.12	0.757	-1.02
Chen11 (cndo)	0.056	0.128	-0.186	0.151	1.081	-1.236

Crystal Sample	$n_{x}$ (1064 nm)	$n_{x}$ (532 nm)	$n_{y}$ (1064 nm)	$n_{y}$ (532 nm)	$n_{z}$ (1064 nm)	$n_{z}$ (532 nm)
GCOB (x cut)			1.7055	1.7277	1.7143	1.7367
GCOB (y cut)	1.6810	1.7015			1.7145	1.7369
GCOB (z cut)	1.6812	1.7015	1.7059	1.7276
Sellmeier7	1.6806	1.7010	1.7048	1.7272	1.7138	1.7362
YCOB (x cut)			1.6975	1.7192	1.7081	1.7302
YCOB (y cut)	1.6670	1.6864			1.7081	1.7302
YCOB (z cut)	1.6673	1.6867	1.6980	1.7196
Sellmeier7	1.6669	1.6861	1.6979	1.7191	1.7080	1.7299

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