Results 231 to 240 of about 648 (272)

Thermally induced depolarization in multipass faraday isolators

Optics Communications
Aleksey Starobor, Oleg Palashov
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Faraday Effect Devices, Optical Isolators

MRS Proceedings, 1998
AbstractAlthough discovered over 150 years ago, it was not until the 1970's that materials were developed that enabled magneto-optic (Faraday) effect devices of practical sizes. These developments are: magneto-optic materials with high Verdet constants, and the rare-earth magnet materials, capable of extremely high magnetic fields.The magneto-optic ...
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Broadband Faraday isolator for gravitational wave detectors

Classical and Quantum Gravity, 2002
In this paper, we report on the concept and performance of a highly effective broadband Faraday isolator. This device is based on Nd:Fe:B permanent magnets and can be used in interferometric gravitational wave detectors in which lasers oscillating in the visible or near infrared region are used. The degree of optical isolation of 30 dB, provided by the
Vadim A Parfenov, Vladimir A Parfenov
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Adaptive compensation of thermal lens in Faraday isolators

SPIE Proceedings, 2004
Two methods of compensation of thermal lensing in high wer terbium gallium garnet (TGG) Faraday isolators have been investigated in detail: compensation by means of an ordinary negative lens and compensation using FK51 Schott glass possessing a negative dn/dT. Key thermo-optic constants for TGG crystals and FK51 glass were measured.
Efim A. Khazanov, Anatoly Poteomkin, Victor Zelenogorsky, Andrey Shaykin, Anantoly Mal'shakov, Oleg Palashov, David H. Reitze   +6 more
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Application of Faraday rotator in transceiver isolation system

2019 12th UK-Europe-China Workshop on Millimeter Waves and Terahertz Technologies (UCMMT), 2019
Compared to conventional waveguides or strips to make circulators or isolators, their ease of processing and low loss characteristics can be applied to isolation devices in quasi-optical systems. It can realize the separation function of the transceiver channel. In this paper, the structure of a single-layer Faraday rotator is proposed.
Sanchuan Yu, Haiyang Yu, Junsheng Yu, Yuan Yao, Xiaodong Chen, Xiaoming Liu   +5 more
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The 45° Faraday-rotation ferrite isolator

Proceedings of the IEE - Part B: Radio and Electronic Engineering, 1957
The wave propagation in a dielectric rod is used to explain the behaviour of ferrite rods in 45° Faraday-rotation isolators. The influence of the diameter of the rod and of variations in wavelength upon the Faraday rotation are considered.
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Slab-based Faraday isolators and Faraday mirrors for 10-kW average laser power

Applied Optics, 2004
It is shown that the use of slabs instead of rods makes it possible to fabricate Faraday isolators and Faraday mirrors operating at a multikilowatt power. Analytical dependences of thermally induced depolarization in Faraday devices on radiation power and on slab aspect ratio have been obtained.
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Terbium-doped phosphate glass for Faraday isolators

2018 International Conference Laser Optics (ICLO), 2018
The results of synthesis and investigation of the magneto-optical properties of phosphate glasses heavily doped by terbium ions are presented. The maximum value of Verde constant was obtained for glass with 25 mol% Tb ions and reached 0.375 min/ (Oe cm) at 632 nm and 3.2 mT magnetic field.
Anastasiia Babkina, Yurii Fedorov, Vladimir Aseev, Dmitrij Sobolev   +3 more
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Investigation of Faraday isolator and Faraday mirror designs for multi-kilowatt power lasers

SPIE Proceedings, 2003
We have studied theoretically the depolarization thermally induced in an optical medium with disc or rectangular (slabs) geometry. Analytical dependences of the thermally induced depolarization in different Faraday devices on radiation power and on aspect ratio of slab or disc are obtained.
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Control of the Isolation Ratio of Faraday Isolators with the Help of Inhomogenity of Magnetic Field

Frontiers in Optics 2013, 2013
New method of compensation of polarization distortions in Faraday isolators was developed and experimentally investigated. Control of the isolation ratio is realized by creating a definite magnetic field profile in the magnetic system.
E.A. Mironov, A.V. Voitovich, A.V. Starobor, O.V. Palashov   +3 more
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