Definition of laser viewing cards

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Photonics Dictionary

laser viewing cards: Laser viewing cards, also known as laser alignment cards or laser safety cards, are specialized cards or sheets designed to visualize laser beams or assist in aligning optical equipment while ensuring safety precautions are followed. These cards typically consist of a material that reacts to the presence of laser light in a visible and often fluorescent manner.

The design of laser viewing cards varies, but commonly they feature materials that fluoresce or change color when exposed to laser light. This fluorescence or color change provides a visual indication of the laser beam's path, allowing users to accurately align optical components, such as mirrors or lenses, without directly viewing the laser beam, which could be harmful to the eyes.

In addition to assisting with alignment, laser viewing cards serve as a safety measure by allowing users to verify the presence and path of laser beams without risking accidental exposure. They are commonly used in laboratories, manufacturing facilities, research institutions, and educational settings where lasers are utilized for various purposes, including cutting, welding, engraving, and scientific experiments.

By providing a visible representation of laser beams, laser viewing cards contribute to safer working environments and help prevent accidents or injuries caused by inadvertent exposure to laser radiation. They are an essential tool for ensuring both precision and safety in laser-based applications.

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