Zobrazeno 21 - 30
of 59
pro vyhledávání: '"Bai-Ou Guan"'
Publikováno v:
Asia Pacific Optical Sensors Conference.
We demonstrate an inline Mach-Zehnder interferometer (MZI) based on an air-clad thin-core fiber for strain and temperature sensing. The output spectrum of this MZI is insensitive to the variation of surrounding refractive index.
Publikováno v:
Optics express. 23(21)
A sensitive bio-probe to in situ detect unlabeled single-stranded DNA targets based on optical microfiber taper interferometer coated by a high ordered pore arrays conjugated polymer has been presented. The polymer coating serves as tentacles to catc
Publikováno v:
Optics Express. 26:11976
A new type of tunable broadband fiber-optic acousto-optic sensor was experimentally demonstrated by utilizing a bubble-on-fiber (BoF) interferometer. A single micro-bubble was generated by injecting a heating laser at λ = 980 nm on the metalized fac
Publikováno v:
2015 14th International Conference on Optical Communications and Networks (ICOCN).
A new multiple-tap microwave photonic signal processing structure that can realize a flat passband and large free spectral range notch filter response is presented. It is based on a polarization modulator followed by a length of polarization maintain
Publikováno v:
SPIE Proceedings.
Phase separation process of poly (N-isopropylacrylamide) (PNIPAM) aqueous solution was investigated by tapered optical fiber technique in this work. The optical transmission spectra revealed the transition of molecular conformation and aggregation of
Publikováno v:
SPIE Proceedings.
A high sensitivity biosensor based on graphene coated silica fiber taper interferometer is presented. Thank to the combination of graphene coating and the optical fiber taper interferometer structure, the biosensor demonstrates improved DNA concentra
Publikováno v:
Scopus-Elsevier
A high sensitivity biosensor in weak acid environment based on graphene coated taper interferometer is presented. The biosensor demonstrates improved DNA concentration sensitivity of 0.84 nm/log M and lower detection limit of 1 pM. OCIS codes: (060.2
Publikováno v:
Optics Express. 25:13305
Nucleic acid detection with label-free biosensors circumvents the need for costly fluorophore functionalization steps associated with conventional assays by utilizing optical fiber transducers. In spite of their technological prowess, however, these
Autor:
A. Ping Zhang, Zhengyong Liu, Chuang Wu, Ming Leung Vincent Tse, Bai-Ou Guan, Chao Lu, Hwa Yaw Tam
Publikováno v:
The Analyst. 139(21)
Photonic crystal fibres appear to be an ideal platform for the realisation of novel optofluidic devices and sensors due to their waveguide nature and microstructured architecture. In this paper, we present the fabrication and characterisation of an i
Publikováno v:
Optics letters. 39(12)
We propose a convenient method for achieving highly birefringent (HiBi) elliptic microfibers by use of the CO2-laser machining and the flame-brushing techniques. With optimization of fabrication process, a high birefringence of up to 2.10×10(-2) is