Temperature tuning of BaGa4Se7 optical parametric oscillator

Hui Kong; Jintian Bian; Jiyong Yao; Qing Ye; Xiaoquan Sun

doi:10.3788/COL202119.021901

Journals >Chinese Optics Letters >Volume 19 >Issue 2 >Page 021901 > Article

Chinese Optics Letters
Vol. 19, Issue 2, 021901 (2021)

Temperature tuning of BaGa4Se7 optical parametric oscillator

Hui Kong^1、2, Jintian Bian^1、2、*, Jiyong Yao³, Qing Ye^1、2, and Xiaoquan Sun^1、2、**

Author Affiliations

¹State Key Laboratory of Pulsed Power Laser Technology, National University of Defense Technology, Hefei 230037, China

²Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, China

³Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China

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DOI: 10.3788/COL202119.021901 Cite this Article Set citation alerts

Hui Kong, Jintian Bian, Jiyong Yao, Qing Ye, Xiaoquan Sun. Temperature tuning of BaGa4Se7 optical parametric oscillator[J]. Chinese Optics Letters, 2021, 19(2): 021901 Copy Citation Text

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Phase matching curves of BGSe at room temperature under (a) type I and (b) type II-B conditions (λ3=1064 nm).

Fig. 1. Phase matching curves of BGSe at room temperature under (a) type I and (b) type II-B conditions (

λ_{3} = 1064 nm

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Phase matching curve at 20°C, 80°C, and 140°C under (a) type I and (b) type II-B conditions (λ3=1064 nm, ∅=0°, 20°).

Fig. 2. Phase matching curve at 20°C, 80°C, and 140°C under (a) type I and (b) type II-B conditions (

λ_{3} = 1064 nm

\emptyset = 0 °, 20 °

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Fig. 3. Wavelength of idler light at T

= 20 ° C

and

Δ λ_{2} / Δ

T at each

θ

when

\emptyset = 0 °

under (a) type I and (b) type II-B conditions.

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Fig. 4. Schematic diagram of the experimental setup.

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Fig. 5. Output at 3611–3619 nm of BGSe (56.3°, 0°).

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Fig. 6. Idler light’s peak wavelength of BGSe (56.3°, 0°) at 30°C–140°C.

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$λ_{2}$ (20°C) [ $μm$ ]		3	3.2	3.4	3.6	3.8	4	4.2	4.4	4.6	4.8	5
I	$θ$ [°]	59.5	58.4	57.3	56.4	55.4	54.6	53.6	52.9	52.2	51.5	50.8
	$\emptyset$ [°]	4.1	4.5	5.3	3.4	4.3	1.8	5	3.3	2	1.9	3
	$λ_{2}$ (140°C) [μm]	3.28	3.48	3.69	3.90	4.11	4.32	4.53	4.75	4.96	5.18	5.40
	$Δ λ_{2} / Δ$ T [nm/°C]	2.36	2.36	2.39	2.47	2.55	2.66	2.77	2.90	3.03	3.18	3.33
II-B	$θ$ [ $°$ ]	89.3	77.6	72.6	68.8	66.1	63.9	61.9	60.2	58.7	57.4	56.2
	$\emptyset$ [ $°$ ]	8.5	3.4	1.9	5.9	4.4	1.3	2.6	2.4	2.5	1	1.4
	$λ_{2}$ (140°C) [μm]	3.12	3.33	3.55	3.76	3.97	4.19	4.40	4.62	4.84	5.05	5.27
	$Δ λ_{2} / Δ$ T [nm/°C]	0.99	1.10	1.21	1.33	1.44	1.57	1.70	1.83	1.97	2.12	2.27

Table 1. Peak of

Δ λ_{2} / Δ

T and Corresponding (

θ, \emptyset

), Matching Type When

λ_{2}

Is Fixed

View in the Article

$θ$ [ $°$ ]	56.3	56.4	56.5
$\emptyset$ [ $°$ ]	5.2	3.4	0
$λ_{2}$ (140°C) [nm]	3895	3896	3892
$Δ λ_{2} / Δ$ T [nm/°C]	2.458	2.467	2.433

Table 2.

Δ λ_{2} / Δ

T When

\emptyset

Is Close to 0° and

λ_{2}

at 140°C

Hui Kong, Jintian Bian, Jiyong Yao, Qing Ye, Xiaoquan Sun. Temperature tuning of BaGa4Se7 optical parametric oscillator[J]. Chinese Optics Letters, 2021, 19(2): 021901

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