Results 21 to 30 of about 78,837 (291)

BIREFRINGENT ELECTROWEAK DEFECTS [PDF]

open access: yesInternational Journal of Modern Physics A, 2002
In this paper we examine the propagation of electromagnetic waves through electroweak textures and W-strings. The photon is associated with a negative mass squared term as a consequence of its coupling to the intermediate vector bosons from which the electroweak defect is constructed.
Thatcher, M. J., Morgan, M. J.
openaire   +1 more source

PCF Based Sensor with High Sensitivity, High Birefringence and Low Confinement Losses for Liquid Analyte Sensing Applications [PDF]

open access: yes, 2015
In this paper, we report a design of high sensitivity Photonic Crystal Fiber (PCF) sensor with high birefringence and low confinement losses for liquid analyte sensing applications.
Ademgil, Huseyin, Haxha, Shyqyri
core   +3 more sources

Pushing Purcell-enhancement beyond its limits [PDF]

open access: yes, 2020
Purcell-enhanced emission from a coupled emitter-cavity system is a fundamental manifestation of cavity quantum electrodynamics. Starting from a theoretical description we derive a scheme for photon emission from an emitter coupled to a birefringent ...
Barrett, Thomas D.   +2 more
core   +3 more sources

Measurement of Birefringence of Low-Loss, High-Reflectance Coating of M-Axis Sapphire [PDF]

open access: yes, 2001
The birefringence of a low-loss, high-reflectance coating applied to an 8-cm-diameter sapphire crystal grown in the m-axis direction has been mapped. By monitoring the transmission of a high-finesse Fabry-Perot cavity as a function of the polarization of
Camp, Jordan B.   +3 more
core   +1 more source

Visible to mid-infrared giant in-plane optical anisotropy in ternary van der Waals crystals

open access: yesNature Communications, 2023
Birefringence is at the heart of photonic applications. Layered van der Waals materials inherently support considerable out-of-plane birefringence.
Yanze Feng   +15 more
doaj   +1 more source

A note on polarized light from magnetars [PDF]

open access: yes, 2017
In a recent paper it is claimed that vacuum birefringence has been experimentally observed for the first time by measuring the degree of polarization of visible light from a magnetar candidate, a neutron star with a magnetic field presumably as large as ...
Capparelli, L. M.   +3 more
core   +3 more sources

Laser-stimulated birefringence of Ga2O3-La2S2.95Se0.05 glasses for optical recording of information

open access: yesResults in Physics, 2019
We show an opportunity to change the birefringence of Ga2O3 – La2S2.95Se0.05 glasses doped by Er3+ and La3+ ions at λ = 1150 nm wavelength of cw He-Ne laser under illumination of the femtosecond laser.
A.M. El Naggar   +9 more
doaj   +1 more source

The PVLAS experiment: measuring vacuum magnetic birefringence and dichroism with a birefringent Fabry-Perot cavity [PDF]

open access: yes, 2015
Vacuum magnetic birefringence was predicted long time ago and is still lacking a direct experimental confirmation. Several experimental efforts are striving to reach this goal, and the sequence of results promises a success in the next few years.
Della Valle, F.   +7 more
core   +4 more sources

A Linear Birefringence Measurement Method for an Optical Fiber Current Sensor

open access: yesSensors, 2017
In this work, a linear birefringence measurement method is proposed for an optical fiber current sensor (OFCS). First, the optical configuration of the measurement system is presented.
Shaoyi Xu   +5 more
doaj   +1 more source

Comparison of intensity, phase retardation, and local birefringence images for filtering blebs using polarization-sensitive optical coherence tomography

open access: yesScientific Reports, 2018
Polarization-sensitive optical coherence tomography (PS-OCT) allows the recording of depth-resolved polarimetric measurements. It has been reported that phase retardation and local birefringence images can noninvasively detect fibrotic area in blebs ...
Shinichi Fukuda   +6 more
doaj   +1 more source

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