Mapping WGMs of erbium doped glass microsphere using near-field optical probe

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Mapping WGMs of erbium doped glass microsphere using near-field optical probe

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. Hanoi College of Technology Ho Duc Vinh Mapping WGMs of Erbium doped glass microsphere using Near-field optical probe Mapping WGMs of Erbium doped glass microsphere using Near-field optical probe Master. 2 Coupling Microsphere WGMs based on near-field optics Ho Duc Vinh K10N 22 Chapter 2: Coupling Microsphere WGMs based on Near-field Optics 2.1. Introduction of Near-field optics Near-field optics. Resonances (MDRs -WGMs) 1.1. Dielectric Microsphere - A simple Model of WGMs: Microspheres act as high Q resonators in optical regime. The curved surface of a microshere leads to efficient confinement of light

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Mục lục

  • CONTENT

  • 1.1. Dielectric Microsphere - A simple Model of WGMs:

  • 1.1.1 Ray and Wave Optics Approach:

  • 1.1.2 Lorenz-Mie Theory:

  • 1.2. Characteristics of Dielectric Microsphere:

  • 1.2.1. WGM Position:

  • 1.2.2. WGM Separation:

  • 1.2.3. WGM Density:

  • 1.2.4. Spatial Distribution of WGMs:

  • 1.2.5. Resonator Quality of Microsphere WGMs:

  • 1.2.6. Mode volume of microsphere WGMs:

  • 2.1. Introduction of Near-field optics

  • 2.2. Evanescent coupling techniques for optical micro-cavities:

  • 2.2.1. What is evanescent-field?

  • 2.2.2. Methods of coupling

  • 2.3. Optical Near-Field Distribution around a Dielectric Microsphere:

  • 2.4. Fields of a tapered Fiber:

  • 2.5. Tapered Fiber – Microsphere Coupling:

  • 3.1. Materials and fabricating methods of microsphere:

  • 3.1.1. Introduction of Erbium doped host glasses for micospheres

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