Check Your Understanding Key

Introduction - Basic Principles - Applied Principles - Optical Fiber Parameters - Fiber Manufacturing - Crossword Puzzle

Introduction
1. C: 1970s
2. A: local or long-distance telephone communications
3. B: are almost always more expensive than copper

Basic Principles
1. B: it carries light through the fiber
2. C: it is hollow in the center
3. A: the cladding and coating are stripped away

Applied Principles
1. A: it is a way of measuring the speed of light in a material
2. A: reflection that occurs when a light ray traveling in one material hits another material and reflects back into the original material without any loss of light

Optical Fiber Parameters
1. C: 850 nm, 1300 nm, 1550 nm
2. B: an operational range of wavelengths at which fiber best operates
3. C: it is measured in nanometers
4. A: a measure of the information-carrying capacity of an optical fiber

Fiber Manufacturing
1. B: laydown, consolidation, draw
2. C: the preform is highly impure until it reaches the consolidation phase
3. A: the removal of the target rod causes the core of the fiber to be hollow
4. C: coatings are applied and cured, using infrared lamps

Basic Principles of Fiber Optics