High laser damage threshold LiNa5Mo9O30 prism: for visible to mid-infrared range

Xiaoli Du; Zeliang Gao; Lijuan Chen; Youxuan Sun; Xutang Tao

doi:10.3788/COL202220.051602

Journals >Chinese Optics Letters >Volume 20 >Issue 5 >Page 051602 > Article

Chinese Optics Letters
Vol. 20, Issue 5, 051602 (2022)

High laser damage threshold LiNa₅Mo₉O₃₀ prism: for visible to mid-infrared range

Xiaoli Du¹, Zeliang Gao^1、*, Lijuan Chen², Youxuan Sun¹, and Xutang Tao^1、**

Author Affiliations

¹State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China

²School of Physics Science, University of Jinan, Jinan 250022, China

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DOI: 10.3788/COL202220.051602 Cite this Article Set citation alerts

Xiaoli Du, Zeliang Gao, Lijuan Chen, Youxuan Sun, Xutang Tao. High laser damage threshold LiNa₅Mo₉O₃₀ prism: for visible to mid-infrared range[J]. Chinese Optics Letters, 2022, 20(5): 051602 Copy Citation Text

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Fig. 1. Design of the two prisms.

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$Refractive index dispersion curves for the LiNa5Mo9O30 crystal.$

Fig. 2. Refractive index dispersion curves for the LiNa₅Mo₉O₃₀ crystal.

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Fig. 3. (a) Illustration of light propagation in the LiNa₅Mo₉O₃₀ prism; (b) and (c) prisms of the LiNa₅Mo₉O₃₀ crystal.

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Fig. 4. Schematic of the extinction ratio measurement.

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Wavelength (µm)	$n_{x}$	$α$ for $n_{x}$ (°)	$n_{z}$	$α$ for $n_{z}$ (°)	$Δ n$
0.435	1.8807412	32.12075	2.1430628	27.815238	0.262322
0.480	1.8606013	32.51094	2.1047378	28.367070	0.244137
0.546	1.8414265	32.89200	2.0689064	28.904238	0.22748
0.587	1.8332104	33.05823	2.0537403	29.138112	0.220530
0.643	1.8248497	33.22925	2.0384182	29.378478	0.213569
0.706	1.8180732	33.36927	2.0260654	29.575333	0.207992
0.768	1.8131116	33.47259	2.0170307	29.721084	0.203919
0.852	1.8080104	33.57955	2.0077730	29.872016	0.199763
1.014	1.8051898	33.63900	1.9983893	30.026666	0.193200
1.529	1.7947450	33.86115	1.9800734	30.333462	0.185328
1.970	1.7894868	33.97419	1.9703647	30.498796	0.180878
2.325	1.7858615	34.05261	1.9633567	30.619331	0.177495
3	1.7788370	34.20566	1.9491655	30.866540	0.170329
3.5	1.7727272	34.34000	1.9370040	31.081793	0.164277
4	1.7658269	34.49310	1.9232193	31.329669	0.157392
4.5	1.7580749	34.66686	1.9076748	31.614292	0.149600
5	1.7494329	34.86284	1.8902735	31.939532	0.140841

Table 1. Refractive Index of Polarized Light in LiNa₅Mo₉O₃₀ Crystal and Total Internal Reflection Angles (α)

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Crystal	${LiNa}_{5} {Mo}_{9} O_{30}$	$α - BTM$	${CaCO}_{3}$	${YVO}_{4}$	$α - BBO$
Space group	Fdd2	${Pca 2}_{1}$	R-3c	${I 4}_{1} / amd$	R3c
Cleavage	No	No	Yes	No	No
Deliquescence	No	No	No	No	Yes
Birefringence	0.2305@532 nm0.1852@1550 nm	0.24605@532 nm0.2000@1550 nm	0.1744@532 nm0.1564@1550 nm	0.2331@532 nm0.2039@1550 nm	0.1241@532 nm0.1202@1550 nm
Transmission range for prism	0.31–5.35 µm	0.4–5 µm	0.35–2.3 µm	0.5–4.0 µm	0.19–3.5 µm
Laser damage threshold	$2.64 {GW / cm}^{2}$	$350 {MW / cm}^{2}$	$300 - 600 {MW / cm}^{2}$	$1 {GW / cm}^{2}$	$1 {GW / cm}^{2}$

Table 2. Properties of Widely Used Crystals for Prisms

Xiaoli Du, Zeliang Gao, Lijuan Chen, Youxuan Sun, Xutang Tao. High laser damage threshold LiNa₅Mo₉O₃₀ prism: for visible to mid-infrared range[J]. Chinese Optics Letters, 2022, 20(5): 051602

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