Design of a high frequency accuracy heterodyne laser source working in a wide temperature range

Hongxing Yang; Yan Wang; Ziqi Yin; Pengcheng Hu; Ruitao Yang; Jing Li

doi:10.3788/COL202422.041407

Journals >Chinese Optics Letters >Volume 22 >Issue 4 >Page 041407 > Article

Chinese Optics Letters
Vol. 22, Issue 4, 041407 (2024)

Design of a high frequency accuracy heterodyne laser source working in a wide temperature range

Hongxing Yang^1、2, Yan Wang^1、2, Ziqi Yin^1、2, Pengcheng Hu^1、2、*, Ruitao Yang^1、2, and Jing Li^1、2

Author Affiliations

¹Center of Ultra-precision Optoelectronic Instrument, Harbin Institute of Technology, Harbin 150080, China

²Key Laboratory of Ultra-precision Intelligent Instrumentation (Harbin Institute of Technology), Ministry of Industry and Information Technology, Harbin 150080, China

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DOI: 10.3788/COL202422.041407 Cite this Article Set citation alerts

Hongxing Yang, Yan Wang, Ziqi Yin, Pengcheng Hu, Ruitao Yang, Jing Li. Design of a high frequency accuracy heterodyne laser source working in a wide temperature range[J]. Chinese Optics Letters, 2024, 22(4): 041407 Copy Citation Text

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(a) Thermal equilibrium state; (b) thermal equilibrium temperature of the laser free-running experiment; (c) comparison of the preset temperature and actual temperature of the laser cavity.

Fig. 1. (a) Thermal equilibrium state; (b) thermal equilibrium temperature of the laser free-running experiment; (c) comparison of the preset temperature and actual temperature of the laser cavity.

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(a) Laser beat frequency at different temperatures; (b) nonequilibrium power-locking principle; (c) variation in laser frequency with error signal.

Fig. 2. (a) Laser beat frequency at different temperatures; (b) nonequilibrium power-locking principle; (c) variation in laser frequency with error signal.

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Fig. 3. (a) Structural solution of laser; (b) frequency stabilization system.

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Fig. 4. Beat frequency with ISL at different ambient temperatures. (a) −20.13°C, (b) −9.22°C, (c) 8.64°C, (d) 16.13°C, (e) 28.32°C, (f) 40.13°C.

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Fig. 5. (a) Comparison of nonequilibrium power and equilibrium power frequency stabilization schemes; (b) beat frequencies of the other two lasers at different temperatures.

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Sampling Time/s	Ambient Temperature/°C
Sampling Time/s	−20.13	−9.22	8.64	16.13	28.32	40.13
0.1	2.44 × 10⁻¹⁰	7.51 × 10⁻¹¹	6.39 × 10⁻¹¹	3.29 × 10⁻¹⁰	4.40 × 10⁻¹⁰	1.17 × 10⁻¹⁰
1	6.40 × 10⁻¹¹	1.15 × 10⁻¹⁰	3.41 × 10⁻¹¹	1.14 × 10⁻¹⁰	1.65 × 10⁻¹⁰	1.32 × 10⁻¹⁰
10	3.97 × 10⁻¹¹	3.98 × 10⁻¹¹	5.07 × 10⁻¹¹	3.41 × 10⁻¹¹	5.14 × 10⁻¹¹	4.00 × 10⁻¹¹
100	5.28 × 10⁻¹¹	2.53 × 10⁻¹¹	5.22 × 10⁻¹¹	1.58 × 10⁻¹¹	4.37 × 10⁻¹¹	6.74 × 10⁻¹¹
1000	6.12 × 10⁻¹¹	2.85 × 10⁻¹¹	3.17 × 10⁻¹¹	2.52 × 10⁻¹¹	5.44 × 10⁻¹¹	2.33 × 10⁻¹¹