Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Bai-Ou Guan"'
Publikováno v:
Journal of Lightwave Technology. 32:4410-4415
In this paper, we demonstrate the implementation of a 16-element array of heterodyning fiber grating laser sensors cascaded in a single optical fiber. Each laser consists of a Bragg grating pair inscribed in a short section of Er-doped fiber. The las
Publikováno v:
Optics letters. 41(11)
The secondary-type-In grating formed in a small-core photosensitivity active fiber is discovered and investigated. Due to the different grating types, the transmission dip of a secondary grating structure chases and integrates with the type-In gratin
Publikováno v:
Asia Pacific Optical Sensors Conference.
The phase-shift Bragg gratings inscribed into microfibers are proposed. Depending on the narrow notch in the reflection spectrum, the grating can detect outer refractive index change with higher accuracy.
Publikováno v:
Asia Pacific Optical Sensors Conference.
An abnormal phenomenon of secondary dip existing in type In Bragg grating formation is discovered and the laser applications based on those secondary-type In gratings are researched.
Publikováno v:
Journal of Lightwave Technology. 30:1097-1112
Fiber grating laser sensors have been attracting great interest because of their high signal-to-noise ratio and narrow linewidth that permit high resolution sensing. According to the working principle, fiber grating laser sensors can be classified in
Publikováno v:
SPIE Proceedings.
The noise performance of the beat note generated by a dual-polarization fiber grating laser is very critical for sensing applications. To reduce the noise of the beat note, external optical feedback is employed with a fiber Bragg grating as a reflect
Publikováno v:
Optics Communications. 202:331-334
A widely tunable erbium-doped fiber (EDF) grating ring laser has been demonstrated by varying the temperature of the polymer coated-grating. The fiber grating was coated with a special type of polymer material with large thermal expansion coefficient
Publikováno v:
Optics Letters. 41:4999
In this Letter, a 1-μm-wavelength fiber laser is proposed through the use of the ytterbium-doped active fiber and the third harmonic Bragg reflectors. Benefiting from the ratio below 0.5 between the core diameter of the fiber and the Talbot length o
Autor:
Shi-Ning Wang, Bai-Ou Guan
Publikováno v:
IEEE Photonics Technology Letters. 22:230-232
A novel fiber-optic current sensor based on a dual-polarization fiber grating laser is proposed and experimentally demonstrated. A permanent magnet exerts transversal force to the dual-polarization fiber grating laser due to the action of a magnetic
Publikováno v:
SPIE Proceedings.
The inscription of fiber Bragg gratings was demonstrated by 193 nm ArF excimer laser in microfibers drawn from the standard single mode telecommunication fiber. Fiber Bragg gratings are directly inscribed in a series of microfibers with diameter rang