Srinuanjan, Keerayoot

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Preferred name
Srinuanjan, Keerayoot
Alternative Name
Srinuanjan, K.
Srinuanjan, Kerrayoot
Main Affiliation
Email
keerayoot.sr@kmitl.ac.th

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    Item type:Publication,
    Distributed sensors using a PANDA ring resonator type in multiwavelength router
    (2011-08-08)
    Tamee, Kreangsak
    ;
    Srinuanjan, Keerayoot
    ;
    Mitatha, Somsak
    ;
    Yupapin, Preecha P.
    We propose a new system of microring sensing transducer using a PANDA ring resonator type, in which the sensing unit is consisted of an optical add/drop filter and two nanoring resonators, where one ring is placed as a transducer (sensing unit), the other ring is set as a reference ring. In operation, the external force is assumed to exert on the sensing ring resonator. The method of finite difference time domain (FDTD) via the computer programming called Optiwave is used to simulate the sensing behaviors. The obtained results have shown that the change in wavelength due to the change in sensing ring radii is seen, in which the wavelength shift of 1 nm resolution is achieved. The distributed sensing system is designed, which is available for network sensing applications. The behavior of light within a PANDA ring resonator is also analyzed and reviewed. © 2006 IEEE.
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    Item type:Publication,
    Micro-optical gyroscope using a PANDA ring resonator
    (2012-06-20)
    Sa-Ngiamsak, Wisitsak
    ;
    Sirawattananon, Chaiwat
    ;
    Srinuanjan, Keerayoot
    ;
    Mitatha, Somsak
    ;
    Yupapin, Preecha P.
    We propose a new system of a micro-optical gyroscope (MOG) using a micro-embedded system. This system is comprised of a modified add/drop filter known as a PANDA ring resonator, which can be applied to navigate the direction with 3-D axes. The optical total path length of a MOG has been expanded by mean of an enhanced ring or PANDA ears. Simulation results obtained have shown that the precision signal at the phase difference of rotation orbit (straight line, ellipse, circle, etc.,) as a function of the inertial rotation rate Ω based on the Sagnac effect is achieved. The dependence of the transmission characteristics of the PANDA ring on the coupling coefficients of directional couplers is studied. The mathematical model of the system is analyzed and simulated. © 2012 IEEE.