Intra-cavity round-trip loss measurement of all-solid-state single-frequency laser by introducing extra nonlinear loss

Yongrui Guo; Huadong Lu; Qiwei Yin; Jing Su

doi:10.3788/COL201715.021402

Chinese Optics Letters, Volume. 15, Issue 2, 021402(2017)

Intra-cavity round-trip loss measurement of all-solid-state single-frequency laser by introducing extra nonlinear loss

Yongrui Guo¹, Huadong Lu^1,2、*, Qiwei Yin¹, and Jing Su^1,2

¹State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

²Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

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Figures & Tables(8)

Fig. 1. Schematic diagram of the experimental setup. S1, S2: beam splitter; f1, f2: coupling lens; f3: lens; PBS: polarization beam splitter; PD: photodiode detector.

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Fig. 2. Long-term power stabilities of 1064 nm laser and 532 nm laser for 5 h.

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Fig. 3. Longitudinal-mode structure of the laser by scanning the confocal Fabry–Perot cavity.

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Fig. 4. Measured result of the beam quality.

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Fig. 5. Output powers of 1064 and 532 nm versus the temperature of the LBO crystal and the relevant temperature values for measurement of the intra-cavity round-trip loss.

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Table 1. Output Powers of 1064 and 532 nm and the Nonlinear Conversion Factors with the Temperature of the LBO Crystal at (A), (B), (C), (D), (E), and (F)

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Table 1. Output Powers of 1064 and 532 nm and the Nonlinear Conversion Factors with the Temperature of the LBO Crystal at (A), (B), (C), (D), (E), and (F)

Number	$T / ° C$	$Δ T / ° C$	$P_{f} / W$	$P_{s h} / W$	$η / (m^{2} / W)$
A	149.0	0	22.32	1.239	$6.5 \times 10^{- 11}$
B	149.4	0.4	22.40	1.182	$6.166 \times 10^{- 11}$
C	149.8	0.8	22.64	1.023	$5.662 \times 10^{- 11}$
D	150.2	1.2	22,94	0.789	$3.957 \times 10^{- 11}$
E	150.6	1.6	23.27	0.527	$2.582 \times 10^{- 11}$
F	151.0	2.0	23.53	0.287	$1.379 \times 10^{- 11}$

Table 2. Parameters of the Experimental Laser
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Table 2. Parameters of the Experimental Laser
$t$ 19%
$I_{0}$ $8.30827 \times 10^{6} W / m^{2}$
$P_{i n}$ 74 W
$l$ 18 mm
$d_{eff}$ $1.16 \times 10^{- 12} V / m$
$ε_{0}$ $8.85 \times 10^{- 12} F / m$
$c$ $3 \times 10^{8} m / s$
$n$ 1.56
$λ_{f}$ 1064 nm
$λ_{s h}$ 532 nm
$ω_{1}$ 390 μm
$ω_{2}$ 84 μm

Table 3. Calculated Results for the Intra-Cavity Round-Trip Loss and the Pump Factor Value, Average Value, and the Standard Deviation Value

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Table 3. Calculated Results for the Intra-Cavity Round-Trip Loss and the Pump Factor Value, Average Value, and the Standard Deviation Value

Eqs	$L$ (%)	$K$ (%. $W^{- 1}$ )
(A,B)	6.85	7.47
(A,C)	4.29	6.75
(A,D)	3.99	6.67
(A,E)	4.9	6.92
(A,F)	4.97	6.94
(B,C)	3.49	6.53
(B,D)	3.48	6.57
(B,E)	4.74	6.88
(B,F)	4.86	6.91
(C,D)	3.65	6.58
(C,E)	5.18	7
(C,F)	5.19	7
(D,E)	6.66	7.42
(D,F)	5.19	7.01
(E,F)	5.21	7.01
Average value	4.84	6.91
Standard deviation	0.26	0.07

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Yongrui Guo, Huadong Lu, Qiwei Yin, Jing Su. Intra-cavity round-trip loss measurement of all-solid-state single-frequency laser by introducing extra nonlinear loss[J]. Chinese Optics Letters, 2017, 15(2): 021402

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Paper Information

Category: Lasers and Laser Optics

Received: Sep. 24, 2016

Accepted: Dec. 6, 2016

Published Online: Jul. 26, 2018

The Author Email: Huadong Lu (luhuadong@sxu.edu.cn)

DOI:10.3788/COL201715.021402

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Output Powers of 1064 and 532 nm and the Nonlinear Conversion Factors with the Temperature of the LBO Crystal at (A), (B), (C), (D), (E), and (F)

Table 1. Output Powers of 1064 and 532 nm and the Nonlinear Conversion Factors with the Temperature of the LBO Crystal at (A), (B), (C), (D), (E), and (F)

Table 2. Parameters of the Experimental Laser

Table 2. Parameters of the Experimental Laser

Table 3. Calculated Results for the Intra-Cavity Round-Trip Loss and the Pump Factor Value, Average Value, and the Standard Deviation Value

Table 3. Calculated Results for the Intra-Cavity Round-Trip Loss and the Pump Factor Value, Average Value, and the Standard Deviation Value