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Phase-Contrast Microscope - Definition and Applications

Phase-contrast microscope is a type of light microscopy that intensifies contrasts of transparent and colorless objects by influencing the optical path of light. Phase-contrast microscopy is an optical microscopy method that is vital in biological and medical research.

6 May 2014

Amici Prism - Definition and Applications

Dispersive prism is a type of optical prism that divides the incident light into different colors of the electromagnetic spectrum.

6 May 2014

ant Critical Angle - Definition and Applications

Critical angle in optics refers to the angle of incidence beyond which total internal reflection of light occurs.

6 May 2014

Diverging Lens - Definition and Characteristics

A lens is an optical device that transmits light by refraction; the incident beam is either converged or diverged based on the nature of the lens.

6 May 2014

Diopter (unit) - Definition and Applications

Diopter is the unit of measurement of the optical power of lens or a curved mirror. In terms of numerical value, it is equal to the reciprocal of the focal length of a lens of curved mirror measured in meters. In other words, diopter is the unit of reciprocal length.

6 May 2014

Depth of Focus - Introduction and Meaning

Depth of focus in optics is a measure of the tolerance of placement of the image plane with respect to the lens. In photography, depth of focus refers to the tolerance of the films displacement within the camera.

6 May 2014

Catadioptric System Definition and Applications

Catadioptric systems may be defined as optical systems that make use of lenses and mirrors for the formation of images.

6 May 2014

What is High Harmonic Generation?

High harmonic generation may be described as an optical process of generating high harmonics of frequency from a fixed frequency laser light. For generation of high harmonics a high power laser source is required.

6 May 2014

What is Optical Parametric Amplification (OPA)?

Optical parametric amplification (OPA) may be described as a process of amplifying an input signal in the presence of a higher-frequency pump wave. Apart from signal amplification, an idler wave is also generated in the process.

6 May 2014

What are Optical Flats?

Optical flats can be described as an optical grade glass which is polished and made extremely flat on both surfaces, used for determining the flatness of various optical surfaces.

6 May 2014