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A model for the formation of complex coupling coefficients in a ring resonator of a laser gyroscope 激光陀螺仪环形谐振腔中复杂耦合系数的形成模型
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-04-01 DOI: 10.1070/QEL18019
E. A. Petrukhin, A. S. Bessonov
{"title":"A model for the formation of complex coupling coefficients in a ring resonator of a laser gyroscope","authors":"E. A. Petrukhin, A. S. Bessonov","doi":"10.1070/QEL18019","DOIUrl":"https://doi.org/10.1070/QEL18019","url":null,"abstract":"A model of the interference of fields from backscattering point sources in a ring optical resonator is presented. Examples of calculations of complex coupling coefficients in ring resonators of laser gyroscopes are given. Comparison of the calculation results with the results of model experiments demonstrates good agreement and makes it possible to determine dissipative and conservative backscattering components of individual resonator mirrors. The possibilities of reducing the dissipative and conservative backscattering components in the process of ring resonator alignment are discussed.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"72 1","pages":"391 - 401"},"PeriodicalIF":0.9,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80889558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IR laser oscillation on caesium and rubidium atomic transitions upon pumping to high-lying energy levels 红外激光振荡对铯和铷原子跃迁泵浦到高能级
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-04-01 DOI: 10.1070/qel18021
A. Babin, M. Volkov, S. Garanin, S. A. Kovaldov, A. V. Kopalkin, F. Starikov, A. Strakhov, V. Feoktistov
{"title":"IR laser oscillation on caesium and rubidium atomic transitions upon pumping to high-lying energy levels","authors":"A. Babin, M. Volkov, S. Garanin, S. A. Kovaldov, A. V. Kopalkin, F. Starikov, A. Strakhov, V. Feoktistov","doi":"10.1070/qel18021","DOIUrl":"https://doi.org/10.1070/qel18021","url":null,"abstract":"Laser oscillation is obtained in caesium and rubidium atoms with wavelengths in the range of 2 – 5.5 μm under pumping to high-lying energy levels. Longitudinal resonant pumping is implemented using the second harmonic of radiation from an optical parametric oscillator. The pump wavelength is tuned over discrete levels from 8P to 10P in caesium atoms and from 6P to 8P in rubidium atoms. The width of the pump radiation spectrum is 12 cm−1. When caesium atoms are pumped, the pump pulse energy is no more than 10 mJ; when rubidium atoms are pumped, it does not exceed 3 mJ. The pulse repetition rate is 10 Hz. The maximum output energy of IR laser radiation upon pumping the 9P3/2 level of caesium atoms is about 100 μJ at a cell temperature of ∼170°C, while the efficiency of pump conversion into radiation energy with a wavelength λ ∼ 3.1 μm turns out to be ∼1 %. For rubidium atoms, an estimate of the output energy of IR radiation gives a value of ∼80 μJ at a cell temperature of 180 °C, which corresponds to an energy efficiency of ∼2.7 %.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"45 1","pages":"351 - 358"},"PeriodicalIF":0.9,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87848321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multipass Yb : KGW disk amplifier 多路Yb: KGW磁盘放大器
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-04-01 DOI: 10.1070/qel18026
A. Potemkin, M. Martyanov, S. Mironov
{"title":"Multipass Yb : KGW disk amplifier","authors":"A. Potemkin, M. Martyanov, S. Mironov","doi":"10.1070/qel18026","DOIUrl":"https://doi.org/10.1070/qel18026","url":null,"abstract":"We have investigated a multipass Yb : KGW disk amplifier based on the White cell configuration and pumped by a laser diode with a fibre output. It is shown that the three-mirror layout of the cell is three times more efficient than the four-mirror one, since the size and position of the signal beam on the surface of the active element do not depend on the cell number of passes. For a three-mirror cell scheme, a small-signal gain G = 168 is obtained in experiments for a pump power of 360 W. The experimentally achieved gain of two such amplifiers arranged in series is 6 × 104, which exceeds G 2 approximately two-fold.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"91 1","pages":"332 - 339"},"PeriodicalIF":0.9,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72711998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Autler – Townes effect, the Rabi frequency, and determination of characteristics of the decay of excited states in the photoionisation scheme of lutetium 奥特勒-汤斯效应、拉比频率和镥光离方案中激发态衰变特性的测定
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-04-01 DOI: 10.1070/qel18029
A. B. D’yachkov, A. A. Gorkunov, A. V. Labozin, S. Mironov, V. A. Firsov, G. O. Tsvetkov, V. Panchenko
{"title":"The Autler – Townes effect, the Rabi frequency, and determination of characteristics of the decay of excited states in the photoionisation scheme of lutetium","authors":"A. B. D’yachkov, A. A. Gorkunov, A. V. Labozin, S. Mironov, V. A. Firsov, G. O. Tsvetkov, V. Panchenko","doi":"10.1070/qel18029","DOIUrl":"https://doi.org/10.1070/qel18029","url":null,"abstract":"The splitting of the first and second transitions in the lutetium photoionisation scheme is studied in a wide range of laser radiation intensities, and the Rabi frequencies as functions of the radiation intensity are determined. Based on the results, we have obtained the decay branching coefficients of 0.54 and 0.41 for the first and second transitions, respectively.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"99 1","pages":"367 - 370"},"PeriodicalIF":0.9,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78546871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of PT-symmetry properties to increase the limiting sensitivity of resonator optical gyroscopes pt对称特性在提高谐振腔光学陀螺仪极限灵敏度中的应用
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-04-01 DOI: 10.1070/qel18020
E. Shalymov, T. M. Akhmadiev, V. B. Davydov
{"title":"Application of PT-symmetry properties to increase the limiting sensitivity of resonator optical gyroscopes","authors":"E. Shalymov, T. M. Akhmadiev, V. B. Davydov","doi":"10.1070/qel18020","DOIUrl":"https://doi.org/10.1070/qel18020","url":null,"abstract":"We propose and describe the use of a system with PT-symmetry properties in resonator optical gyroscopes. It is shown that this makes it possible to increase the limiting sensitivity and does not introduce disadvantages typical of PT-symmetric laser gyroscopes. In the example considered in the paper, the inclusion of a system with PT-symmetry properties in the composition of a resonator optical gyroscope allows one to increase the limiting sensitivity by a factor of 750.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"40 1","pages":"402 - 406"},"PeriodicalIF":0.9,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82207980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Transformation of polarisation singularities in nonlinear mixing of light beams with frequency conversion in a medium with cubic nonlinearity 三次非线性介质中光束非线性混频偏振奇点的变换
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-03-01 DOI: 10.1070/QEL17998
K. Grigoriev, V. Makarov
{"title":"Transformation of polarisation singularities in nonlinear mixing of light beams with frequency conversion in a medium with cubic nonlinearity","authors":"K. Grigoriev, V. Makarov","doi":"10.1070/QEL17998","DOIUrl":"https://doi.org/10.1070/QEL17998","url":null,"abstract":"We analyse the electric field transverse distributions in light beams with a tripled frequency and with a frequency of 2ω 1 – ω 2, which arise in the bulk of an isotropic cubic-nonlinear medium upon the propagation of nonuniformly polarised beams of fundamental radiation with a multimode transverse structure described by a superposition of Laguerre – Gaussian modes. A relation is found between the total topological indices of the circular polarisation singularity points in the transverse sections of the generated signal beams and the corresponding total indices in the beams of fundamental radiation.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"48 190 1","pages":"247 - 253"},"PeriodicalIF":0.9,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83281448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Broadband two-dimensional spectrochronography with ultrashort pulses in the mid-infrared 中红外超短脉冲宽带二维光谱测年
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-03-01 DOI: 10.1070/qel18004
E. A. Stepanov, A.N. Zhdanov, I. V. Savitskii, P. Glek, A. A. Lanin, A. Fedotov, A. Zheltikov
{"title":"Broadband two-dimensional spectrochronography with ultrashort pulses in the mid-infrared","authors":"E. A. Stepanov, A.N. Zhdanov, I. V. Savitskii, P. Glek, A. A. Lanin, A. Fedotov, A. Zheltikov","doi":"10.1070/qel18004","DOIUrl":"https://doi.org/10.1070/qel18004","url":null,"abstract":"A novel, 2.6-to-10-μm wavelength-tunable laser source of sub-70-fs pulses is combined with mid-IR heterodyne detection to provide a versatile laser platform for broadband two-dimensional Fourier-transform infrared spectrochronography. The mid-infrared laser output serves as both a short-pulse driver and a broadband probe for time-resolved studies of ultrafast molecular coherence, population dynamics, and multimodal energy transfer in a vast class of complex molecular systems.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"93 1","pages":"227 - 232"},"PeriodicalIF":0.9,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80479055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of second optical harmonic generation in terahertz pulse-induced antiferromagnetic NiO 太赫兹脉冲诱导反铁磁NiO中二次光谐波产生的研究
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-03-01 DOI: 10.1070/qel17996
O. Chefonov, A. Ovchinnikov, M. Agranat
{"title":"Study of second optical harmonic generation in terahertz pulse-induced antiferromagnetic NiO","authors":"O. Chefonov, A. Ovchinnikov, M. Agranat","doi":"10.1070/qel17996","DOIUrl":"https://doi.org/10.1070/qel17996","url":null,"abstract":"Intense terahertz pulses and a process of second harmonic generation are promising methods for exciting and studying an ultrafast dynamic response in magnetically ordered systems, ferroelectrics, and multiferroics on the picosecond time scale. In the present work, we report experimental results on generation of second optical harmonic in centrosymmetric antiferromagnetic NiO induced by intense terahertz pulses with an electric field strength of up to 20 MV cm−1.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"466 1","pages":"269 - 273"},"PeriodicalIF":0.9,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82721289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Mid-IR optical parametric oscillation and second harmonic generation of repetitively pulsed output of a fibre-laser pumped Tm3+ :YAP laser in a fan-out periodically poled MgO:LiNbO3 crystal 扇出周期性极化MgO:LiNbO3晶体中光纤激光泵浦Tm3+:YAP激光器重复脉冲输出的中红外参量振荡和二次谐波产生
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-03-01 DOI: 10.1070/qel18006
O. Antipov, D. Kolker, A. Dobrynin, Yu.A. Getmanovskii, V. V. Sharkov, M. Chuvakova, A. Akhmatkhanov, V. Shur, I. Shestakova, S. Larin
{"title":"Mid-IR optical parametric oscillation and second harmonic generation of repetitively pulsed output of a fibre-laser pumped Tm3+ :YAP laser in a fan-out periodically poled MgO:LiNbO3 crystal","authors":"O. Antipov, D. Kolker, A. Dobrynin, Yu.A. Getmanovskii, V. V. Sharkov, M. Chuvakova, A. Akhmatkhanov, V. Shur, I. Shestakova, S. Larin","doi":"10.1070/qel18006","DOIUrl":"https://doi.org/10.1070/qel18006","url":null,"abstract":"The nonlinear optical frequency conversions of repetitively pulsed output of a 1941-nm Tm3+ : YAP laser pumped by a cw 1670-nm fibre laser are studied experimentally. Both mid-IR optical parametric oscillation (OPO) and second harmonic generation (SHG) are obtained in the same periodically poled MgO : LiNbO3 crystal with a fan-out domain design by tuning the grating period and temperature. The energy conversion efficiency of the degenerate OPO at 3820 – 3970 nm exceeds 43 % at a 0.5 kHz repetition rate, while the energy conversion efficiency of SHG at 970.5 nm reaches 34 %.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"18 1","pages":"254 - 261"},"PeriodicalIF":0.9,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86592748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measurements of small optical absorption and scattering coefficients of high-power polarised laser radiation in lithium triborate crystals 高功率偏振激光辐射在三硼酸锂晶体中的小光学吸收和散射系数的测量
IF 0.9 4区 工程技术
Quantum Electronics Pub Date : 2022-03-01 DOI: 10.1070/qel17999
I. Grishchenko, A.K. Vorob’ev, A. Ostapiv, Y. Stirmanov, A. V. Konyashkin, O. Ryabushkin
{"title":"Measurements of small optical absorption and scattering coefficients of high-power polarised laser radiation in lithium triborate crystals","authors":"I. Grishchenko, A.K. Vorob’ev, A. Ostapiv, Y. Stirmanov, A. V. Konyashkin, O. Ryabushkin","doi":"10.1070/qel17999","DOIUrl":"https://doi.org/10.1070/qel17999","url":null,"abstract":"We present the results of measurements of low optical absorption and scattering coefficients in lithium triborate crystals using the method of piezoelectric resonance laser calorimetry under the action of polarised single-mode laser radiation at wavelengths of 1070 and 532 nm in the power ranges of 50 – 300 and 5 – 50 W, respectively. It is shown that when radiation propagates along the crystal axis a, these coefficients remain constant in the specified power ranges and do not depend on the direction of laser radiation polarisation. The measured optical scattering coefficients are compared with the results obtained by the method of integrating spheres.","PeriodicalId":20775,"journal":{"name":"Quantum Electronics","volume":"1 1","pages":"301 - 305"},"PeriodicalIF":0.9,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88178615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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