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Optical Device Guide

This page describes the fundamentals and properties of an SLD (Super Luminescent Diode), and the difference between an SLD and an LD or LED.

This page describes the principles of optical amplifiers, the difference between an OFA (Optical Fiber Amplifier) and SOA (Semiconductor Optical Amplifier), and the features of EDFA.

This page describes gas detection using laser absorption spectroscopy, which enables methane gas to be measured from a remote location in a short time.

Amplifiers are classified into different categories. One of these categories is linear and limiting amplifiers. The differences and features between the two are described below.

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