Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Bai-Ou Guan"'
Superstructure microfiber grating characterized by temperature, strain, and refractive index sensing
Publikováno v:
Optics express. 28(6)
Microfiber gratings with diameters in the subwavelength scale have recently attracted much attention for developments of sensitive sensors; however, a specific structure is usually chosen for sensing one parameter according to the optical response. I
Publikováno v:
14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020).
A superstructure microfiber grating combined with microfiber Bragg grating and long-period microfiber grating is fabricated by ultraviolet laser inscription and femtosecond laser scratching techniques, providing a possible platform for simultaneous m
Publikováno v:
Optics & Laser Technology. 121:105775
In this paper, a tunable single-longitudinal-mode (SLM) fiber laser based on a chirped fiber Bragg grating (CFBG) is proposed and experimentally demonstrated. Multi-sub-cavities formed by a single CFBG inserted inside the laser loop greatly increase
Publikováno v:
2017 16th International Conference on Optical Communications and Networks (ICOCN).
A new wavelength-swept fiber laser is proposed and successfully demonstrated based on two linear chirped fiber Bragg gratings (LC-FBGs) with perfect opposite dispersion response. It is based on intra-cavity pulse stretching and compression provided r
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 chirped Bragg grating is inscribed in microfiber with a uniform phase mask. Characteristic of the spectrum in response to the ambient refractive index is studied.
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