Microsphere ring resonator

Keywords Ring resonator Microsphere ring resonator Planar ring resonator Opto-fluidic ring resonator Whispering gallery modes Applied optics ... 

The surface density of the molecules on the ring resonator surface is directly related to the WGM spectral shift. In microsphere ring resonators, this relation is obtained by employing the first-order perturbation theory [35, 36] ... 

Ring Resonator Configurations 3.1 Microsphere Ring Resonator... 

Fig. 1 Various ring resonator sensor configurations, (a) Microsphere, (b) Silicon-on-insulator planar ring resonator, (c) Slot waveguide ring resonator, (d) Planar disc ring resonator, (e) Glass planar ring array, (f) Microtoroid, (g) Microknot, (h) Opto-fluidic ring resonator (OFRR) and the inset is the SEM image of the OFRR cross-section. Reprinted with permissions from refs [13, 28, 30, 32, 50, 53, 70, 86]...

Hanumegowda NM, White IM, Fan X (2005) Aqueous mercuric ion detection with microsphere optical ring resonator sensors. Sensors Actuators B Chem 120 207-212... 

An MLR, which is illustrated in Fig. 13.le, is a miniature version of a fiber loop resonator created from an MNF. An MNF/microsphere resonator and MNF/ microdisk resonator, which are illustrated in Fig. 13.lg, h, consist of an MNF coupled to a microsphere or a microdisk. The excited WGMs are localized in the neighborhood of the microsphere (microdisk) circumference situated in the plane of symmetry of these devices. The transmission power of an MLR, a microsphere, or a microdisk sensor, P(/1), near the resonance wavelength 20 can be found in the form similar to the transmission power of a ring, a disk, and a microsphere resonator66,67 ... 

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