Fundamentals, fabrication and characterisation techniques of guided optical systems
Consiglio Nazionale delle Ricerche, Istituto di Fisica Applicata Nello Carrara
PhotonHub Demo centre
20. 6. 2024
1 day
Free-Space Photonic Components and Systems Glass and Polymer Specialty Fibres and Fibre Devices Other
Manufacturing Health Other

The Demo centre will firstly provide an introduction on the concepts behind planar waveguides, their fabrication and characterisation, the fiber gratings theory, fabrication techniques and applications of fiber gratings for sensing. These activities are related to the prototyping and characterization measurements of the Glass and Polymer Specialty Fibres and Fibre Devices Platform, with application in Telecom, Sensing, Light generation, and Light amplification.

The activity about fibre gratings and their application for sensing will focus on:

1. Fundamentals of fiber bragg gratings (FBG) and long period gratings (LPG); sensing techniques; grating based fiber laser.

2. Fabrication of fibre gratings.

3. Exemplative sensing applications: physical, (deformation, temperature) and bio-chemical parameters (refractive index change).

The activities about planar waveguides will focus on three main topics:

1. Ion-exchange as a technology for the fabrication of planar waveguides in glasses.

2. Coupling of light to guiding structures.

3. Characterisation of slab and channel waveguide structures (optical constants, propagation and coupling losses, near field, optical gain).

1) Acquiring the key principles of light guiding in optical devices and of fibre gratings.

2) Experiencing a key technology for waveguide fabrication (hands-on activity).

3) Gaining the capability of performing the most essential characterizations of planar (slab and channel) waveguides  (hands-on activity).

4) Acquiring the key principles of fiber gratings design and production (hands-on activity).

5) See and realize exemplative applications of fiber gratings for sensing (hands-on activity).

No experience Medium experience
A short introduction to the general topic will be provided, so that attendees will be prepared to understand the activities in which they will be involved. It is therefore desirable but not essential that course attendees have a basic understanding of photonics. The course is targeted to persons interested in gaining the capability of performing the main characterisations needed to test guiding structures.
Istituto di Fisica Applicata "Nello Carrara"
Sesto Fiorentino
200 EUR
The fee includes coffee breaks and lunch,  hand-out notes, consumables/safety devices for hands-on activities.
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