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What is a Photoelectric Sensor?

A photoelectric sensor is an instrument designed to detect the distance, absence, or presence of an object by using a light transmitter such as an infrared, and a photoelectric receiver. It is also referred to as photo eye.

18 Sep 2014

An Introduction to Fabry–Pérot Interferometers

An interferometer is a device used to measure various parameters of light by dividing the light into several light beams.

16 Sep 2014

Basics on Sensors: Output and Wiring

Most of the sensors carry out switching action through solid-state circuits. The connections between load devices and power supplies are made through two or more wires, and the entire setup is known as the electrical interface circuit.

15 Sep 2014

What are Fiber Optic Sensors?

Fiber optic sensors are fiber-based devices that use optical fibers to detect certain quantities such as mechanical strain or temperature, concentrations of chemical species, acceleration, rotations, pressure, vibrations and displacements.

12 Sep 2014

Using Sensors to Capture Body Movement

Motion capture, which is also referred to as motion tracking, is the method of recording movements of people and objects.

11 Sep 2014

Intelligent Sensors

A new generation of intelligent or smart sensors is fast replacing basic sensors across the spectrum of industries. An intelligent sensor comprises a sensing element, an analog interface circuit, a bus interface, and an analog-to-digital converter fitted inside a single housing.

9 Sep 2014

Types of Image Sensors

Image sensors are instruments used for converting optical images into electronic signals. The global image sensors market has grown immensely due to technological advancements in the last decade. This has stimulated diversification in image sensor applications. Image sensors have been placed on board NASA’s Interface Region Imaging Spectrograph (IRIS) spacecraft to capture the first images of the Sun.

8 Sep 2014