Details

Autor(en) / Beteiligte

• Lambert, Robert W
• Cortés-Martínez, Rodolpho
• Waddle, Andrew J
• Shephard, Jonathan D
• Taghizadeh, Mohammad R
• Greenaway, Alan H
• Hand, Duncan P

Titel

Compact optical system for pulse-to-pulse laser beam quality measurement and applications in laser machining

Ist Teil von

• Applied Optics, 2004-09, Vol.43 (26), p.5037-5046

Ort / Verlag

United States

Erscheinungsjahr

2004

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Fluctuations in beam quality (M2) have been observed on a pulse-to-pulse basis from an industrial Nd:YAG laser. This was achieved with a compact multiplane imaging method incorporating quadratically distorted diffraction gratings, which enabled simultaneous imaging of nine planes on a single CCD array. With this system, we measured across a range of beam qualities with an associated error (in M2 variation) of the order of 0.7%. Application of the system to fiber-optic beam delivery and laser drilling is demonstrated.