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Laser specifications describe properties of a laser system, including performance parameters, dimensions, and operating conditions.
Specifications of a Laser. Beam Diameter: The beam diameter refers to the diameter of the laser beam measured at the exit face of the laser housing. The beam diameter can be defined in several different ways, and for Gaussian beams it is typically described by the 1/e 2 width.
This specification on laser beam welding discusses applicable specifications, safety, requirements, fabrication, quality examination, equipment calibration and maintenance, approval of work, and delivery of work.
A laser beam is an amplified concentration of light energy at a specific wavelength. It is coherent light, which allows focusing on a tight spot and a narrow beam over long distances. The word LASER is an acronym that stands for Light Amplification by Stimulated Emission of Radiation. Laser energy absorption of a material varies based on a
ISO 11252 covers both laser systems and laser products according to IEC 60825-1, and laser devices, units or laser processing machines according to ISO 11145, ISO 11553-1 and ISO 11553-2. Although within these standards different terminology, terms and definitions are used, ISO 11252 brings together basic requirements for documentation.
This part of ISO 15609 specifies requirements for the content of the welding procedure specification (WPS) for laser beam welding processes, including overlay welding. It is not applicable to other processes for cladding (e.g. thermal spraying).
This chapter reviews the characterization of a laser device by its beam power, propagation of the beam width (beam propagation ratio), the positional stability of the beam, the wavefront of the beam, and the lifetime of the device.
