What is the bandwidth of Pockel cell?

A Pockels cell, also known as an electro-optic modulator, is a device used to control the polarization of light by applying an electric field to a crystal. The bandwidth of a Pockels cell refers to the range of frequencies or wavelengths of light that it can effectively modulate.

The bandwidth of a Pockels cell depends on several factors, including the material used in the crystal, the applied voltage, and the design of the cell. Generally, Pockels cells can have a wide bandwidth spanning from the ultraviolet (UV) to the near-infrared (NIR) regions of the electromagnetic spectrum.

The specific bandwidth of a Pockels cell can vary significantly depending on its intended application and design parameters. For example, Pockels cells used in telecommunications applications may have narrower bandwidths optimized for specific wavelengths commonly used in optical communication systems, such as around 1550 nm for fiber-optic communications.

In research and other applications, Pockels cells with broader bandwidths may be used to modulate light over a wider range of frequencies or wavelengths. Some Pockels cells are designed to operate over multiple bands or even the entire visible spectrum.

Therefore, when considering the bandwidth of a Pockels cell, it's essential to refer to the specifications provided by the manufacturer or supplier, as it can vary depending on the specific model and intended use.