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Edwin Jan Klein - Universiteit Twente

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Chapter 2<br />

The Micro-Resonator<br />

In this chapter the basic principle behind the operation of the<br />

micro-resonator will be given and the basic equations that<br />

describe its operation will be derived. In addition it will be<br />

shown that the resonator has certain limitations concerning its<br />

Free Spectral Range and filter response. For this several<br />

solutions such as, for instance, the use of higher order filters are<br />

offered. In the final section of this chapter several methods of<br />

active tuning will be discussed because it is this tuning that<br />

gives the micro-resonator its attractive functionality as will be<br />

shown in several other chapters.

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