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Feature Articles

In-depth articles written by our editorial team focusing on the latest developments in materials science and technology

What is Ultraviolet Light (UV)?

Ultraviolet (UV) light is a portion of the electromagnetic spectrum between the visible rays and X-rays. It lies in the frequency range of 10 to 400 nm with photon energies from 3 to 124 eV.

5 Sep 2014

What is Optical Density?

Optical density is a term used in the field of optical spectroscopy for describing the propagation of a wave through a material.

6 Aug 2014

What is a Bandpass Filter?

Bandpass filter is a circuit or a device that allows transmission of signals at frequencies within a particular range and rejects signals at frequencies outside that range.

6 Aug 2014

How are Ballast Resistors Used in Laser Applications?

A ballast resistor is used for maintaining a constant current flowing through it, irrespective of the variations in the applied voltage or rest of the circuit. These resistors consist of a resistive element whose resistance increases with temperature.

5 Aug 2014

$The Diffraction Limits in Optical Microscopy$

The Diffraction Limits in Optical Microscopy

The optical microscope, also called the light microscope, is the oldest type of microscope which uses visible light and lenses in order to magnify images of very small samples. It is a standard tool frequently used within the fields of life and material science.

4 Aug 2014

What is Radiant Exposure?

Radiant exposure is a term used to describe characteristics of lasers. Radiant exposure is the measure of energy over a particular area.

4 Aug 2014

An Introduction to Light Amplification

Light amplification is the process of intensifying the amplitude of an electromagnetic light wave. This process is generally classified into three major categories: laser, parametric and scattering.

4 Aug 2014

An Introduction to Bandwidth-Distance Product

Bandwidth-Distance Product is a term used to describe the transmission of light through fiber optic cables. Data transmission through fiber optic cables is limited by attenuation and dispersion.

1 Aug 2014