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Artykuły w czasopismach na temat „Laser stabilization”

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Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 14 marca 2023

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1

Zhenglan Bian, Zhenglan Bian, Chongde Huang Chongde Huang, Dijun Chen Dijun Chen, Jiaobo Peng Jiaobo Peng, Min Gao Min Gao, Zuoren Dong Zuoren Dong, Jiqiao Liu Jiqiao Liu, Haiwen Cai Haiwen Cai, Ronghui Qu Ronghui Qu i Shangqing Gong Shangqing Gong. "Seed laser frequency stabilization for Doppler wind lidar". Chinese Optics Letters 10, nr 9 (2012): 091405–91407. http://dx.doi.org/10.3788/col201210.091405.

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2

Shiguang Wang, Shiguang Wang, Jianwei Zhang Jianwei Zhang, Zhengbo Wang Zhengbo Wang, Bo Wang Bo Wang, Weixin Liu Weixin Liu, Yanying Zhao Yanying Zhao i Lijun Wang Lijun Wang. "Frequency stabilization of a 214.5-nm ultraviolet laser". Chinese Optics Letters 11, nr 3 (2013): 031401–31403. http://dx.doi.org/10.3788/col201311.031401.

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3

Rodwell, M. J. W., D. M. Bloom i K. J. Weingarten. "Subpicosecond laser timing stabilization". IEEE Journal of Quantum Electronics 25, nr 4 (kwiecień 1989): 817–27. http://dx.doi.org/10.1109/3.17346.

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4

Wang, Bowen, Xiang Peng, Haidong Wang, Yang Liu i Hong Guo. "Laser-frequency stabilization with differential single-beam saturated absorption spectroscopy of ⁴He atoms". Review of Scientific Instruments 93, nr 4 (1.04.2022): 043001. http://dx.doi.org/10.1063/5.0084605.

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Differential single-beam saturated-absorption spectroscopy (DSSAS) is proposed to stabilize lasing frequency and suppress Doppler-broadened background and common-mode optical noise. The spectral first-derivative demodulated signal of metastable [Formula: see text] atoms is used as an error signal to stabilize a fiber laser around 1083 nm. Experimental results show that, compared with existing non-DSSAS frequency stabilization, DSSAS stabilization produces better stability and lower fluctuations, especially for frequency-noise-corrupted lasers. In DSSAS stabilization, for data acquired over 7000 s, the root mean square frequency fluctuation of the fiber laser is 16.4 kHz, and the frequency stability described by the modified Allan deviation is 4.1 × 10−12 at 100 s. Even for a defective laser with poor frequency stability, the proposed scheme demonstrates experimentally high capability of noise suppression and reduces the frequency fluctuations by two orders of magnitude. Given its simplicity and compact design, frequency stabilization by DSSAS is promising for quantum-sensor applications, such as atomic magnetometers, atomic gyroscopes, and atomic clocks.

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5

Zhou, Yueting, Jianxin Liu, Songjie Guo, Gang Zhao, Weiguang Ma, Zhensong Cao, Lei Dong i in. "Laser frequency stabilization based on a universal sub-Doppler NICE-OHMS instrumentation for the potential application in atmospheric lidar". Atmospheric Measurement Techniques 12, nr 3 (19.03.2019): 1807–14. http://dx.doi.org/10.5194/amt-12-1807-2019.

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Abstract. Lidar is an effective tool for high-altitude atmospheric measurement in which a weak absorption line for the target gas is selected to ensure a large optical depth. The laser frequency stabilization to the line center is required, and a sub-Doppler (sD) spectroscopy of the target line is preferred as a frequency reference. In this paper, a novel universal sD noise-immune cavity-enhanced optical heterodyne molecular spectroscopy (NICE-OHMS) instrumentation based on a fiber-coupled optical single-sideband electro-optic modulator (f-SSM) for the potential application in atmospheric lidar for different target gases with different types of lasers is reported. The f-SSM can replace all frequency actuators in the system, so as to eliminate the individual design of feedback servos that often are tailored for each laser. The universality of the instrumentation was demonstrated by the alternative use of either an Er-doped fiber laser or a whispering-gallery-mode laser. Then the instruments based on both lasers were used to produce the sD signals of acetylene, which worked as a frequency reference to stabilize the laser. By performing the lockings, relative frequency stabilizations of 8.3×10-13 and 7.5×10-13 at an integration time of 240 s were demonstrated.

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6

Kim, Junwoo, Keumhyun Kim, Dowon Lee, Yongha Shin, Sungsam Kang, Jung-Ryul Kim, Youngwoon Choi, Kyungwon An i Moonjoo Lee. "Locking Multi-Laser Frequencies to a Precision Wavelength Meter: Application to Cold Atoms". Sensors 21, nr 18 (18.09.2021): 6255. http://dx.doi.org/10.3390/s21186255.

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We herein report a simultaneous frequency stabilization of two 780-nm external cavity diode lasers using a precision wavelength meter (WLM). The laser lock performance is characterized by the Allan deviation measurement in which we find σy=10−12 at an averaging time of 1000 s. We also obtain spectral profiles through a heterodyne spectroscopy, identifying the contribution of white and flicker noises to the laser linewidth. The frequency drift of the WLM is measured to be about 2.0(4) MHz over 36 h. Utilizing the two lasers as a cooling and repumping field, we demonstrate a magneto-optical trap of 87Rb atoms near a high-finesse optical cavity. Our laser stabilization technique operates at broad wavelength range without a radio frequency element.

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7

Yuan Dandan, 苑丹丹, 胡姝玲 Hu Shuling, 刘宏海 Liu Honghai i 马静 Ma Jing. "Research of Laser Frequency Stabilization". Laser & Optoelectronics Progress 48, nr 8 (2011): 081401. http://dx.doi.org/10.3788/lop48.081401.

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8

Robins, N. P., B. J. J. Slagmolen, D. A. Shaddock, J. D. Close i M. B. Gray. "Interferometric, modulation-free laser stabilization". Optics Letters 27, nr 21 (1.11.2002): 1905. http://dx.doi.org/10.1364/ol.27.001905.

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9

Patel, A., M. Protopapas, D. G. Lappas i P. L. Knight. "Stabilization with arbitrary laser polarizations". Physical Review A 58, nr 4 (1.10.1998): R2652—R2655. http://dx.doi.org/10.1103/physreva.58.r2652.

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10

Plewinski, Paweł. "Closed-loop Laser Stabilization System". ELEKTRONIKA - KONSTRUKCJE, TECHNOLOGIE, ZASTOSOWANIA 1, nr 12 (5.12.2016): 24–28. http://dx.doi.org/10.15199/13.2016.12.3.

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11

TAKO, Toshiharu, i Yoshiaki AKIMOTO. "Laser frequency stabilization and tuning." Review of Laser Engineering 15, nr 6 (1987): 365–69. http://dx.doi.org/10.2184/lsj.15.365.

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12

Osipenko, Georgii V., Mikhail S. Aleynikov i Alina G. Sukhoverskaya. "Modulation transfer spectroscopy offset laser frequency stabilization laser". Izmeritel`naya Tekhnika, nr 1 (2023): 4–7. http://dx.doi.org/10.32446/0368-1025it.2023-1-4-7.

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13

Lili Wang, Lili Wang, Zhaoshuo Tian Zhaoshuo Tian, Yanchao Zhang Yanchao Zhang, Jing Wang Jing Wang, Shiyou Fu Shiyou Fu, Jianfeng Sun Jianfeng Sun i Qi Wang Qi Wang. "Frequency stabilization of pulsed CO2 laser using setup-time method". Chinese Optics Letters 10, nr 1 (2012): 011402–11404. http://dx.doi.org/10.3788/col201210.011402.

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14

Zhang, Shuang, Hao Qiao, Di Ai, Min Zhou i Xinye Xu. "Frequency stabilization of multiple wavelength lasers based on a broadband spectrum". Laser Physics Letters 19, nr 9 (27.07.2022): 095701. http://dx.doi.org/10.1088/1612-202x/ac8283.

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Abstract We report on frequency stabilization of multiple wavelength lasers operating at 1389 and 1695 nm simultaneously on a broadband spectrum. These lasers are implemented in ytterbium optical lattice clock experiments, which need to have a narrow enough linewidth and maintain high long-term frequency stability. A 1560 nm femtosecond mode-locked laser with a narrow mode spacing of 250 MHz is used as a master laser, which is referenced to a local ultrastable optical cavity with the instability better than 1 × 10−15 at 1 s averaging time. Through the combination of erbium-doped fiber amplifier and high nonlinear fiber, the spectral width of the maser laser is broadened from 10 nm to more than 300 nm. The range of the broadened spectrum can cover 1389 and 1695 nm. Meanwhile, the spectral intensity at the corresponding wavelength can ensure that the signal-to-noise ratio of the beat signals between the two lasers and the broadened spectrum is about 30 dB at a resolution bandwidth (RBW) of 100 kHz. After phase locking the 1389 and 1695 nm lasers on the broadband spectrum, the residual linewidths are obtained to be about 0.8 Hz at 1 Hz RBW, and the stabilities are 3.5 × 10−16 and 4.7 × 10−16 at 1 s averaging time respectively, improving about six orders of magnitude. Our result can be conducive to obtaining the stabilized laser sources for the atomic optical clock, and will be of great significance for simplifying and miniaturizing the optical clock system.

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15

Schuldt, Thilo, Klaus Döringshoff, Markus Oswald, Evgeny V. Kovalchuk, Achim Peters i Claus Braxmaier. "Absolute laser frequency stabilization for LISA". International Journal of Modern Physics D 28, nr 12 (wrzesień 2019): 1845002. http://dx.doi.org/10.1142/s0218271818450025.

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The LISA space mission requires laser frequency pre-stabilization of the 1064[Formula: see text]nm laser sources. While cavity-based systems are the current baseline, laser frequencies stabilized to a hyperfine transition in molecular iodine near 532[Formula: see text]nm are a possible alternative. Several setups with respect to space applications were developed, putting special emphasis on compactness and mechanical and thermal stability of the optical setup. Vibration testing and thermal cycling were performed. These setups show frequency noise below 20[Formula: see text]Hz/[Formula: see text] for frequencies between 4[Formula: see text]mHz and 1[Formula: see text]Hz with an absolute frequency reproducibility better than 1[Formula: see text]kHz. They fulfil the LISA requirements and offer an absolute laser frequency simplifying the initial spacecraft acquisition procedure. We present the current status of iodine-based frequency references and their applicability in space missions, especially within the LISA mission.

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16

Liu, Kaikai, John H. Dallyn, Grant M. Brodnik, Andrei Isichenko, Mark W. Harrington, Nitesh Chauhan, Debapam Bose i in. "Photonic circuits for laser stabilization with integrated ultra-high Q and Brillouin laser resonators". APL Photonics 7, nr 9 (1.09.2022): 096104. http://dx.doi.org/10.1063/5.0091686.

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The integration of stabilized lasers, sources that generate spectrally pure light, will provide compact, low-cost solutions for applications including quantum information sciences, precision navigation and timing, metrology, and high-capacity fiber communications. We report a significant advancement in this field, demonstrating stabilization of an integrated waveguide Brillouin laser to an integrated waveguide reference cavity, where both resonators are fabricated using the same CMOS-compatible integration platform. We demonstrate reduction of the free running Brillouin laser linewidth to a 292 Hz integral linewidth and carrier stabilization to a 4.9 × 10−13 fractional frequency at 8 ms reaching the cavity-intrinsic thermorefractive noise limit for frequencies down to 80 Hz. We achieve this level of performance using a pair of 56.4 × 106 quality factor Si3N4 waveguide ring-resonators that reduce the high-frequency noise by the nonlinear Brillouin process and the low-frequency noise by Pound–Drever–Hall locking to the ultra-low loss resonator. These results represent an important step toward integrated stabilized lasers with reduced sensitivity to environmental disturbances for atomic, molecular, and optical physics (AMO), quantum information processing and sensing, and other precision scientific, sensing, and communications applications.

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17

Fan, Le, Dongdong Jiao, Jun Liu, Long Chen, Guanjun Xu, Linbo Zhang, Jie Liu, Ruifang Dong, Tao Liu i Shougang Zhang. "Prompt Frequency Stabilization of Ultra-Stable Laser via Improved Mean Shift Algorithm". Electronics 11, nr 9 (21.04.2022): 1319. http://dx.doi.org/10.3390/electronics11091319.

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In many scientific fields, the continuous operation of ultra-stable lasers is crucial for applications. To speed up the frequency stabilization process in case of the occurence of unexpected interruptions, a prompt frequency stabilization approach based on an improved mean shift algorithm is proposed and verified with a homemade laser system. We developed a double-loop feedback controller to steer the laser frequency with fast and slow channels, respectively. In this study, an improved mean shift algorithm is utilized to intelligently search for the transmission signal, which involves adaptively updating the sliding window radius and incorporating a Gaussian kernel function to update the shift vector. The number of lock points on the left and right sides of the central point determines the scanning direction to search for the transmission signal quickly. The laser is intentionally interrupted 306 times within 10,000 s to evaluate the relocking performance. The median auto-locking time of the laser is improved from 16 s to 4 s. By beating with another ultra-stable laser system, the laser frequency instability is measured to be less than 2.1×10−14 and the linewidth is 5 Hz. This work improves the adaptation and relocking ability of the ultra-stable laser in a complex environment.

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18

Tran, Chieu D., i Ricardo J. Furlan. "Indirect Amplitude Stabilization of a Tunable Laser through Control of the Intensity of a Pump Laser by an Electro-Optic Modulator". Applied Spectroscopy 47, nr 2 (luty 1993): 235–38. http://dx.doi.org/10.1366/0003702934048172.

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A novel method has been developed to stabilize the intensity of a tunable laser. In this method, the tunable laser is amplitude-stabilized indirectly by controlling the intensity of the pump laser through an electro-optic modulator placed between the pump and the tunable lasers. A small portion of the tunable laser beam was split into a reference photodiode to provide a reference signal for the feedback driver to drive the Pockels cell. Any fluctuation in the intensity of the tunable laser is compensated for by varying the intensity of the pump laser through the feedback driven Pockels cell. Results obtained on the Ti-sapphire laser pumped by an ion laser demonstrate that up to 100 × reduction in the laser noise level can be accomplished by use of this method. Furthermore, with this method, it is possible to adjust the intensity of the laser to be exactly equal for different wavelengths, and to maintain this level for as long as the stabilization is activated. Applications of this method for different types of tunable lasers, including dye and F-center lasers, are discussed.

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19

Trad Nery, Marina, Jasper R. Venneberg, Nancy Aggarwal, Garrett G. Cole, Thomas Corbitt, Jonathan Cripe, Robert Lanza i Benno Willke. "Laser power stabilization via radiation pressure". Optics Letters 46, nr 8 (14.04.2021): 1946. http://dx.doi.org/10.1364/ol.422614.

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20

MORINAGA, Atsuo. "Dye laser spectrometer and frequency stabilization." Journal of the Spectroscopical Society of Japan 34, nr 2 (1985): 109–10. http://dx.doi.org/10.5111/bunkou.34.109.

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21

Chéron, B., H. Gilles, J. Hamel, O. Moreau i H. Sorel. "Laser frequency stabilization using Zeeman effect". Journal de Physique III 4, nr 2 (luty 1994): 401–6. http://dx.doi.org/10.1051/jp3:1994136.

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22

Karlson, Antonella, i Marvin H. Mittleman. "Stabilization of positronium by laser fields". Journal of Physics B: Atomic, Molecular and Optical Physics 29, nr 20 (28.10.1996): 4609–23. http://dx.doi.org/10.1088/0953-4075/29/20/016.

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Hammer, Daniel X., R. Daniel Ferguson, John C. Magill, Michael A. White, Ann E. Elsner i Robert H. Webb. "Image stabilization for scanning laser ophthalmoscopy". Optics Express 10, nr 26 (30.12.2002): 1542. http://dx.doi.org/10.1364/oe.10.001542.

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Dasgupta, Soura, i David R. Andersen. "Feedback stabilization of semiconductor laser arrays". Journal of the Optical Society of America B 11, nr 2 (1.02.1994): 290. http://dx.doi.org/10.1364/josab.11.000290.

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Gavrila, Mihai. "Atomic stabilization in superintense laser fields". Journal of Physics B: Atomic, Molecular and Optical Physics 35, nr 18 (10.09.2002): R147—R193. http://dx.doi.org/10.1088/0953-4075/35/18/201.

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26

Ereifej, Heider N., i J. G. Story. "Laser-induced stabilization of autoionizing states". Physical Review A 60, nr 5 (1.11.1999): 3947–51. http://dx.doi.org/10.1103/physreva.60.3947.

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Salomon, Ch, D. Hils i J. L. Hall. "Laser stabilization at the millihertz level". Journal of the Optical Society of America B 5, nr 8 (1.08.1988): 1576. http://dx.doi.org/10.1364/josab.5.001576.

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Wood, Roger M. "Frequency stabilization of semiconductor laser diodes". Optics & Laser Technology 27, nr 6 (grudzień 1995): xiii. http://dx.doi.org/10.1016/0030-3992(95)90064-0.

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Piraux, Bernard, Etienne Huens i Peter Knight. "Atomic stabilization in ultrastrong laser fields". Physical Review A 44, nr 1 (1.07.1991): 721–32. http://dx.doi.org/10.1103/physreva.44.721.

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Oksenhendler, T., F. Legrand, M. Perdrix, O. Gobert i D. Kaplan. "Femtosecond laser pulse energy self-stabilization". Applied Physics B 79, nr 8 (grudzień 2004): 933–35. http://dx.doi.org/10.1007/s00340-004-1681-5.

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31

Fellman, T., �. Lindberg i B. St�hlberg. "Laser-frequency stabilization using forward scattering". Applied Physics B Laser and Optics 59, nr 6 (grudzień 1994): 631–33. http://dx.doi.org/10.1007/bf01081184.

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Wang, Mengke, Jia Kong, Jiqing Fu, Hao Liu i Xiao-Ming Lu. "Modulation-free portable laser frequency and power stabilization system". Review of Scientific Instruments 93, nr 5 (1.05.2022): 053001. http://dx.doi.org/10.1063/5.0083923.

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The performance of laser-based instruments heavily depends on the stability of their laser source. Some instruments, such as the Cs–4He magnetometer, even require the frequency stabilization and the power stabilization at the same time. In this work, we design a double-locking system with a fiber-coupled output on a small bread board and apply it to the pump laser of a Cs–4He magnetometer. By carefully choosing the stabilization methods, we significantly improve the long-term simultaneous stability of frequency and power of the pump laser. The laser frequency drifts in 2 h are reduced from 100 to 10 MHz. For 10 h continuous measurements, their Allan deviation obtains about two orders of magnitude improvement for the averaging time larger than 200 s and reaches σ( τ) = 1.57 × 10−9 with a 200 s averaging time. The laser power stability for 1.8 h also obtains two orders of magnitude improvement from 3.22% to 0.031%, and its power noise reaches a level that is very close to the electronic noise of the detector. Applying this stabilization system to the pump laser of a fiber-coupled Cs–4He magnetometer, its magnetic sensor noise is significantly reduced from 0.158 to 0.009 nT, which is a reasonable noise for magnetic field detection. With this on-board design of the laser stabilization system, it is more convenient to transform the magnetometer into an outdoor device.

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Liu, Chang, Ziqian Yue, Zitong Xu, Ming Ding i Yueyang Zhai. "Far Off-Resonance Laser Frequency Stabilization Technology". Applied Sciences 10, nr 9 (7.05.2020): 3255. http://dx.doi.org/10.3390/app10093255.

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In atomic physics experiments, a frequency-stabilized or ‘locked’ laser source is commonly required. Many established techniques are available for locking close to an atomic resonance. However, in many instances, such as atomic magnetometer and magic wavelength optical lattices in ultra-cold atoms, it is desirable to lock the frequency of the laser far away from the resonance. This review presents several far off-resonance laser frequency stabilization methods, by which the frequency of the probe beam can be locked on the detuning as far as several tens of gigahertz (GHz) away from atomic resonance line, and discusses existing challenges and possible future directions in this field.

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Li, Wenjun, Lin Zhang, Yading Guo, Zhongzheng Chen, Chongfeng Shao, Yang Li, Jinquan Chang i in. "Active Disturbance Rejection Control Based Feedback Control System for Quasi-Continuous-Wave Laser Beam Pointing Stabilization". Journal of Physics: Conference Series 2112, nr 1 (1.11.2021): 012016. http://dx.doi.org/10.1088/1742-6596/2112/1/012016.

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Abstract Because of the significant nonlinearity of fast steering mirror (FSM), which is actuated by lead zirconate titanate (PZT) stacks, designing a high-performance laser beam pointing stabilization system is always a difficult work. This paper reports an active disturbance rejection control (ADRC) based feedback control system for laser beam pointing stabilization of a high-power quasi-continuous-wave (QCW) Nd:YAG slab laser with a repetition frequency of 160 Hz and an average output power of 1.5 kW. The simulation and experiment show that the ADRC is faster and smoother than traditional proportional-integral-differential (PID) control, and the ADRC can effectively reduce overshoot in the laser beam pointing stabilization process.

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Hu, Peng Cheng, Jiu Bin Tan, Qi Wang i Pei Zhang. "Asymmetric Thermal Structure for Frequency Stabilized Two-Mode Lasers". Key Engineering Materials 437 (maj 2010): 416–20. http://dx.doi.org/10.4028/www.scientific.net/kem.437.416.

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In order to improve the frequency stabilization and the anti-interference ability of two-mode power-balance lasers, the asymmetric thermal structure made up of several thermal transfer layers with different heat transfer coefficient is proposed. Through the heat isolation effect of the middle layer in the structure, the laser has asymmetric thermal responses to electric heater control and air interference. So the anti-interference ability of the system is improved by keeping a low speed in air disturbance while keeping a high speed in thermal stabilization. Several experiments were made with two-mode laser to prove the effectiveness of the proposed method. The experimental results indicate that, frequency stability of the two-mode power-balance laser based on asymmetric thermal structure can be locked in 4.1×10-10 in ordinary lab condition, while it becomes 1.9×10-9 where the air velocity is 1m/s.

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Mio, Norikatsu, Takafumi Ozeki, Kosuke Machida i Shigenori Moriwaki. "Laser Intensity Stabilization System Using Laser-Diode-Pumped Nd:YAG Rod-Laser Amplifier". Japanese Journal of Applied Physics 46, nr 8A (6.08.2007): 5338–41. http://dx.doi.org/10.1143/jjap.46.5338.

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Liu, Xiao Dong, Hai Dong Lei i Jian Jun Zhang. "Frequency Stabilization of the Diode Laser to the Extra Reference Cavity". Applied Mechanics and Materials 198-199 (wrzesień 2012): 1235–40. http://dx.doi.org/10.4028/www.scientific.net/amm.198-199.1235.

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The Semiconductor laser frequency stabilization is the important study topic because of its increasing popular. We introduce a simply experimental setup method of the frequency stabilization of a 780 nm diode laser by only a tiny current in the laser audio modulation, photodiode receiver, and locking the transmission peaks. Use this method, the laser can be locked to the resonance peak of the Fabry-Perot cavity. The linewidth of laser is below 400 kHz, and it runs continually above 3 hours.

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Hrabina, J., O. Acef, F. du Burck, N. Chiodo, Y. Candela, M. Sarbort, M. Hola i J. Lazar. "Comparison of Molecular Iodine Spectral Properties at 514.7 and 532 nm Wavelengths". Measurement Science Review 14, nr 4 (1.08.2014): 213–18. http://dx.doi.org/10.2478/msr-2014-0029.

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Abstract We present results of investigation and comparison of spectral properties of molecular iodine transitions in the spectral region of 514.7 nm that are suitable for laser frequency stabilization and metrology of length. Eight Doppler-broadened transitions that were not studied in detail before were investigated with the help of frequency doubled Yb-doped fiber laser, and three of the most promising lines were studied in detail with prospect of using them in frequency stabilization of new laser standards. The spectral properties of hyperfine components (linewidths, signal-to-noise ratio) were compared with transitions that are well known and traditionally used for stabilization of frequency doubled Nd:YAG laser at the 532 nm region with the same molecular iodine absorption. The external frequency doubling arrangement with waveguide crystal and the Yb-doped fiber laser is also briefly described together with the observed effect of laser aging.

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Ye Li, Ye Li, Yige Lin Yige Lin, Qiang Wang Qiang Wang, Tao Yang Tao Yang, Zhen Sun Zhen Sun, Erjun Zang Erjun Zang i Zhanjun Fang Zhanjun Fang. "An improved strontium lattice clock with 10?16 level laser frequency stabilization". Chinese Optics Letters 16, nr 5 (2018): 051402. http://dx.doi.org/10.3788/col201816.051402.

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Dobosz, Marek. "Laser diode distance measuring interferometer - metrological properties". Metrology and Measurement Systems 19, nr 3 (1.10.2012): 553–64. http://dx.doi.org/10.2478/v10178-012-0048-1.

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Abstract A novel laser diode based length measuring interferometer for scientific and industrial metrology is presented. Wavelength the stabilization system applied in the interferometer is based on the optical wedge interferometer. Main components of the interferometer such as: laser diode stabilization assembly, photodetection system, measuring software, air parameters compensator and base optical assemblies are described. Metrological properties of the device such as resolution, measuring range, repeatability and accuracy are characterized.

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Miyashita, Takuto, Takeshi Kondo, Kohei Ikeda, Kazumichi Yoshii, Feng-Lei Hong i Tomoyuki Horikiri. "Offset-locking-based frequency stabilization of external cavity diode lasers for long-distance quantum communication". Japanese Journal of Applied Physics 60, nr 12 (10.11.2021): 122001. http://dx.doi.org/10.35848/1347-4065/ac2e67.

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Abstract Quantum repeaters are required for long-distance quantum communication. For efficient coupling of quantum entangled photon sources with narrow-linewidth quantum memories, we performed the frequency stabilization of two lasers at 1514 and 1010 nm. The 1514 nm pump laser of the entangled photon source exhibited a frequency stability of 3.6 × 10–12 (τ = 1 s). The 1010 nm pump laser of the wavelength conversion system exhibited a frequency stability of 3.4 × 10–12 (τ = 1 s). The stabilities of both lasers were approximately two orders of magnitude smaller than the frequency width of 4 MHz of the Pr:YSO quantum memory. Such frequency-stabilized lasers can realize the remote coupling of a quantum memory and an entangled photon source in quantum repeaters.

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42

Fomin A.V., Usmanov S.R., Ignatev A.N. i Kadigrob E.V. "Fiber laser module with brightness exceeding 10 MW/(cm-=SUP=-2-=/SUP=-·sr)". Technical Physics 92, nr 4 (2022): 523. http://dx.doi.org/10.21883/tp.2022.04.53610.305-21.

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The work was dedicated to the laser modules for the spectral range of 975 nm based on single laser diodes with fiber output to be designed and manufactured. The installation of an optical system for the seven laser diodes radiation input into a silica-silica fiber with a core diameter of 105 μm and a numerical aperture of 0.15 has been carried out while investigating their power and spectral characteristics. The maximum output power of the laser module was 65 W in CW operation at a nominal current of 12 A and a thermal stabilization temperature of 25oC, the total efficiency of the laser module was 43%, and the brightness of the laser module amounted to 10.6 MW/(cm2·sr). Keywords: laser module, optical system, laser diodes, fiber lasers.

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Cai, Yindi, Baokai Feng, Qi Sang i Kuang-Chao Fan. "Real-Time Correction and Stabilization of Laser Diode Wavelength in Miniature Homodyne Interferometer for Long-Stroke Micro/Nano Positioning Stage Metrology". Sensors 19, nr 20 (22.10.2019): 4587. http://dx.doi.org/10.3390/s19204587.

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A low-cost miniature homodyne interferometer (MHI) with self-wavelength correction and self-wavelength stabilization is proposed for long-stroke micro/nano positioning stage metrology. In this interferometer, the displacement measurement is based on the analysis of homodyne interferometer fringe pattern. In order to miniaturize the interferometer size, a low-cost and small-sized laser diode is adopted as the laser source. The accuracy of the laser diode wavelength is real-time corrected by the proposed wavelength corrector using a modified wavelength calculation equation. The variation of the laser diode wavelength is suppressed by a real-time wavelength stabilizer, which is based on the principle of laser beam drift compensation and the principle of automatic temperature control. The optical configuration of the proposed MHI is proposed. The methods of displacement measurement, wavelength correction, and wavelength stabilization are depicted in detail. A laboratory-built prototype of the MHI is constructed, and experiments are carried out to demonstrate the feasibility of the proposed wavelength correction and stabilization methods.

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Balakshy, V. I., Yu I. Kuznetsov i S. N. Mantsevich. "Acousto-Optic Stabilization of Laser Beam Intensity". Bulletin of the Russian Academy of Sciences: Physics 77, nr 12 (grudzień 2013): 1463–67. http://dx.doi.org/10.3103/s1062873813130029.

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Julsgaard, B., A. Walther, S. Kröll i L. Rippe. "Understanding laser stabilization using spectral hole burning". Optics Express 15, nr 18 (2007): 11444. http://dx.doi.org/10.1364/oe.15.011444.

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Sonnenmoser, K. "Stabilization of atoms in superintense laser fields". Journal of Physics B: Atomic, Molecular and Optical Physics 26, nr 3 (14.02.1993): 457–75. http://dx.doi.org/10.1088/0953-4075/26/3/017.

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Hjelme, D. R., A. R. Mickelson i R. G. Beausoleil. "Semiconductor laser stabilization by external optical feedback". IEEE Journal of Quantum Electronics 27, nr 3 (marzec 1991): 352–72. http://dx.doi.org/10.1109/3.81333.

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Fellman, Tomas, Peter Jungner i Birger Stahlberg. "Stabilization of a green He–Ne laser". Applied Optics 26, nr 14 (15.07.1987): 2705. http://dx.doi.org/10.1364/ao.26.002705.

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Jeong, Taek, i Han Seb Moon. "Laser frequency stabilization using bichromatic crossover spectroscopy". Journal of Applied Physics 117, nr 9 (7.03.2015): 093102. http://dx.doi.org/10.1063/1.4913880.

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Lee, Dae-Sic, Jung-Wan Ryu, Young-Jai Park, Won-Ho Kye, Michael S. Kurdoglyan i Chil-Min Kim. "Stabilization of a chaotic laser and quenching". Applied Physics Letters 86, nr 18 (2.05.2005): 181104. http://dx.doi.org/10.1063/1.1915542.

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