Technical Articles

What are Electro-Optic Deflectors (EODs)?

Editorial Team - GoPhotonics

May 18, 2026

What are Electro-optic deflectors (EODs)?Electro-optic deflectors (EODs) are optical devices used to steer or deflect light beams by applying an electric field to a specialized optical crystal. Unlike...read more

What are White Light Sources?

Global

Editorial Team - GoPhotonics

May 18, 2026

White light sources are light sources that produce light perceived as white by the human eye. In some cases, the term is also used more broadly for sources emitting over a wide spectral range, includi...read more

What is a Waveguide?

Optical Components

Editorial Team - GoPhotonics

May 14, 2026

What is a Waveguide?A waveguide is a physical structure designed to confine and guide electromagnetic waves-such as radio waves, microwaves, and light-from one point to another with minimal loss. Opti...read more

What is a Pulse Stretcher?

Optical Components

Editorial Team - GoPhotonics

May 13, 2026

What are Pulse Stretchers?Pulse stretchers are optical devices used to increase the duration of ultrashort laser pulses by introducing controlled dispersion. Pulse stretching works by delaying differe...read more

What are Pulse Shapers?

Optical Components

Editorial Team - GoPhotonics

May 13, 2026

What are Pulse Shapers?Pulse shapers are optical devices used to modify the temporal and spectral characteristics of laser pulses, particularly ultrashort pulses in the picosecond and femtosecond rang...read more

What is an Optical Encoder?

Optical Components

Editorial Team - GoPhotonics

May 8, 2026

An optical encoder is a precision electro-optical device that converts mechanical motion into electrical signals using light-based sensing. It is widely used to measure position, displacement, velocit...read more

What is a Laser Rangefinder?

Optics Sensors

Editorial Team - GoPhotonics

May 4, 2026

A laser rangefinder is an optical instrument used to measure the distance between the device and a target by using a focused laser beam. It measures distance by emitting a short laser pulse towards an...read more

What are Laser Ellipsometers?

Optical Components

Editorial Team - GoPhotonics

Apr 13, 2026

A laser ellipsometer is a single-wavelength ellipsometry instrument that uses a monochromatic laser source, commonly a He-Ne laser operating at 632.8 nm, to characterize thin films. It measures the ch...read more

What is a Holographic Plate?

Editorial Team - GoPhotonics

Apr 13, 2026

A holographic plate is a recording medium used in holography to capture an interference pattern created by overlapping light wavefronts. Rather than recording a conventional image, the holographic pla...read more

What are Mode Field Converters?

Fiber Optics

Editorial Team - GoPhotonics

Feb 10, 2026

Mode field converters, also known as mode field adapters, are optical components designed to transform the transverse spatial properties of guided optical modes to enable efficient coupling between di...read more

What are Infrared Emitters?

Optics

Editorial Team - GoPhotonics

Jan 7, 2026

Infrared emitters are devices that generate light in the infrared (IR) region of the electromagnetic spectrum, typically covering wavelengths from approximately 700 nm to several micrometers. They ope...read more

What is a Spatial Light Modulator (SLM)?

Optical Components

Editorial Team - GoPhotonics

Dec 12, 2025

A Spatial Light Modulator (SLM) is an optical device that can dynamically modify the spatial properties of a light beam. Unlike fixed optical elements such as lenses or gratings, an SLM consists of a ...read more

What is Brillouin Spectroscopy?

Imaging Spectrometers

Editorial Team - GoPhotonics

Aug 28, 2025

Brillouin spectroscopy is a powerful optical technique used to study the mechanical and magnetoelastic properties of materials. It relies on Brillouin scattering, a form of inelastic light scattering ...read more

What is a Transimpedance Amplifier?

Fiber Optics

Editorial Team - GoPhotonics

Mar 6, 2025

A transimpedance amplifier is an active current-to-voltage converter that converts the input current to a proportional output voltage. It uses active electronic components like Operational Amplifier (...read more

What is a Contact Angle Meter?

Optical Components

Editorial Team - GoPhotonics

Mar 4, 2025

Contact Angle Meter is an instrument that measures the contact angle, which is the angle formed at the point where a liquid interface meets a solid surface. This angle is a key indicator of how well a...read more

Related News

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Technical Articles

What are Electro-Optic Deflectors (EODs)?

What are White Light Sources?

What is a Waveguide?

What is a Pulse Stretcher?

What are Pulse Shapers?

What is an Optical Encoder?

What is a Laser Rangefinder?

What are Laser Ellipsometers?

What is a Holographic Plate?

What are Mode Field Converters?

What are Infrared Emitters?

What is a Spatial Light Modulator (SLM)?

What is Brillouin Spectroscopy?

What is a Transimpedance Amplifier?

What is a Contact Angle Meter?

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