Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Dewen Duan"'
Publikováno v:
Photonics, Vol 11, Iss 8, p 763 (2024)
The majority of Fabry–Perot interferometer (FPI) tip refractive index (RI) sensors utilize silica optical fiber as the cavity material, with an RI of approximately 1.45. This restricts their applicability in measuring the RI of liquids with an RI o
Externí odkaz:
https://doaj.org/article/3c97e392adca4223a6f1a4b475c449ed
Autor:
Vinaya Kumar Kavatamane, Dewen Duan, Sri Ranjini Arumugam, Nicole Raatz, Sebastian Pezzagna, Jan Meijer, Gopalakrishnan Balasubramanian
Publikováno v:
New Journal of Physics, Vol 21, Iss 10, p 103036 (2019)
Phase transitions in soft matter systems reveal some of the interesting structural phenomena at the levels of individual entities constituting those systems. The relevant energy scales in soft matter systems are comparable to thermal energy ( k _B T
Externí odkaz:
https://doaj.org/article/bedecbfb33f84718b1d5c87f2b356758
Autor:
Dewen Duan, Guan-Xiang Du, Gopalakrishnan Balasubramanian, Sri Ranjini Arumugam, Yan-Kai Tzeng, Huan-Cheng Chang, Vinaya Kumar Kavatamane
Publikováno v:
Optics Express
Using an optical fiber to both excite the nitrogen-vacancy (NV) center in diamond and collect its fluorescence is essential to build NV-based endoscope-type sensor. Such endoscope-type sensor can reach inaccessible fields for traditional NV-based sen
Autor:
Gopalakrishnan Balasubramanian, Sri Ranjini Arumugam, Dewen Duan, Vinaya Kumar Kavatamane, Yan-Kai Tzeng, Huan-Cheng Chang
Publikováno v:
Applied Physics Letters. 116:113701
Fixing a diamond containing a high density of Nitrogen-Vacancy (NV) center ensembles on the apex of a multimode optical fiber (MMF) extends the applications of NV-based endoscope sensors. Replacing the normal MMF with a tapered MMF (MMF-taper) has en
Autor:
Gopalakrishnan Balasubramanian, Dewen Duan, Vinaya Kumar Kavatamane, Sri Ranjini Arumugam, Nicole Raatz, Jan Meijer, Sébastian Pezzagna
Publikováno v:
New Journal of Physics
Phase transitions in soft matter systems reveal some of the interesting structural phenomena at the levels of individual entities constituting those systems. The relevant energy scales in soft matter systems are comparable to thermal energy (k B T
Autor:
Ganesh Rahane, Guan-Xiang Du, Dewen Duan, Gopalakrishnan Balasubramanian, Huan-Cheng Chang, Vinaya Kumar Kavatamane, Sri Ranjini Arumugam, Yan-Kai Tzeng
Publikováno v:
Optics Letters. 44:2851
Among quantum sensors, the single nitrogen-vacancy (NV) defect in diamond has the highest sensitivity-to-size factor. For instance, a single-NV spin when used as a magnetometer could achieve sensitivities of the order of nT/Hz, while the dimensions o
Publikováno v:
Optics and Lasers in Engineering. 50:1391-1396
A new method for fabricating a fiber-optic Fabry–Perot interferometer (FPI) for high-temperature sensing is presented. The sensor is fabricated by fusion splicing a short section of endlessly single-mode photonic crystal fiber (ESM-PCF) to the clea
Publikováno v:
Sensors, Vol 12, Iss 8, Pp 10430-10449 (2012)
Sensors (Basel, Switzerland)
Sensors (Basel, Switzerland)
In-line fiber optic interferometers have attracted intensive attention for their potential sensing applications in refractive index, temperature, pressure and strain measurement, etc. Typical in-line fiber-optic interferometers are of two types: Fabr
Publikováno v:
Sensors and Actuators B: Chemical. 160:1198-1202
A versatile, compact and sensitive in-fiber open cavity Mach–Zehnder interferometer (MZI) gas refractive index (RI) sensor formed by fusion splicing a short section of single-mode fiber (SMF) between two sections of single-mode fibers with a large
Publikováno v:
Optics Communications. 284:5311-5314
Two kinds of in-line all-fiber interferometers, including tip Fabry–Perot interferometer and compact Mach–Zehnder interferometer, are proposed and demonstrated by fusion splicing a short section of hollow optical fiber (HOF) to the end of single-