Temperature distribution across the growth zone of sapphire (Al 2 O 3 ) and yttrium–aluminum garnet (YAG) single crystal fibers

Bufetova, G. A.; Rusanov, S. Ya.; Seregin, V. F.; Pyrkov, Yu. N.; Kamynin, V. A.; Цветков, В. Б.

doi:10.1016/j.jcrysgro.2015.06.010

Cited by 10 publications

(2 citation statements)

References 19 publications

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“…The integrated ultrasonic transducers (IUTs) and flexible ultrasonic transducers (FUTs) developed by Kobayashi et al [19] were used for non-destructive testing at high temperatures, and their operation frequencies ranged from 4.4 to 10.7 MHz with signal-to-noise ratios-above-20 dB. Bufetova et al [20,21] experimentally obtained temperature distribution along a source rod and molten zone in sapphire and yttrium-aluminum garnet single-crystal fibers under a growing LHPG process for the first time. The results obtained could be used for the improvement of crystal fiber growth methods.…”

Section: System Designmentioning

confidence: 99%

A Liquid Metal Temperature Detection System Based on Multi-Node Sapphire Fiber Sensor

Wang

Qian

Sun

et al. 2023

Sensors

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In order to accurately detect the temperature of molten aluminum and overcome the adverse influence of high temperature and corrosiveness on the sensing results, a temperature detection system based on a multi-node sapphire fiber sensor was proposed and developed. Through the structural parameter design of the fiber sensor, the scheme of utilizing the 0.7 mm diameter fiber and 0.5 mm groove was formulated. Simulation and analysis were carried out to determine the ultrasonic response distribution of the signal passing through the whole fiber sensor. The results indicate that the system is capable of distinguishing test signals from various positions and temperatures. Following the completion of the static calibration, the temperature of the molten aluminum was observed in real-time, and the data of the temperature measurements conducted at the two groove locations were compared. According to the obtained results, the test accuracy was greater than 1 degree Celsius and the temperature test stability was good, laying a solid foundation for the potential development of temperature measurement devices.

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Section: System Designmentioning

confidence: 99%

A Liquid Metal Temperature Detection System Based on Multi-Node Sapphire Fiber Sensor

Wang

Qian

Sun

et al. 2023

Sensors

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“…Therefore, it is common for cladding materials to have lower refractive indices and similar thermal expansion coefficients to that of the core. Effective cladding methods include the magnetron sputtering [12], Sol-Gel method [13,14], liquid phase epitaxy [15], co-drawing laser heating pedestal growth (LHPG) [16][17][18][19][20][21][22][23][24], ion implantation [25][26][27][28], and micro-structure cladding [7,29,30].…”

Section: Introductionmentioning

confidence: 99%

All-solid anti-resonant single crystal fibers

Ding

Meng

Zhao

et al. 2022

Front. Optoelectron.

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In this paper, a novel all-solid anti-resonant single crystal fiber (AR-SCF) with high refractive index tubes cladding is proposed. By producing the cladding tubes with high refractive index material, the AR guiding mechanism can be realized for the SCF, which can reduce the mode number to achieve single-mode or few-mode transmission. The influences of different materials and structures on the confinement loss and effective guided mode number for wavelengths of 2–3 μm are investigated. Then, the optimal AR-SCF structures for different wavelengths are determined. Furthermore, the influences of different fabrication errors are analyzed. This work would provide insight to new opportunities in the novel design of SCFs by AR, which would greatly impact the fields of laser application, supercontinum generation, and SCF sensors. Graphical Abstract

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Ruby Emission in the Range 400–800 nm with Excitation by Continuous-Wave CO2 Laser Pulses

Марченко

Kiselev

2017

J Appl Spectrosc

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Temperature distribution across the growth zone of sapphire (Al 2 O 3 ) and yttrium–aluminum garnet (YAG) single crystal fibers

Cited by 10 publications

References 19 publications

A Liquid Metal Temperature Detection System Based on Multi-Node Sapphire Fiber Sensor

A Liquid Metal Temperature Detection System Based on Multi-Node Sapphire Fiber Sensor

All-solid anti-resonant single crystal fibers

Ruby Emission in the Range 400–800 nm with Excitation by Continuous-Wave CO2 Laser Pulses

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