Output coupler design of unstable cavities for excimer lasers

Journal Article · Fri Jan 31 23:00:00 EST 1997 · Applied Optics

DOI:https://doi.org/10.1364/AO.36.001143· OSTI ID:655244

Giuri, C; Perrone, M R ^[1]; Piccinno, V ^[2]

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1. Istituto Nazionale di Fisica della Materia, Dipartimento di Fisica, Universita di Lecce, 73100 Lecce (Italy)
2. Istituto per lo Studio dell`Inquinamento Atmosferico e dell`Agrometeorologia, Consiglio Nazionale delle Ricerche, 73100 Lecce (Italy)

We tested the performance of a XeCl laser with unstable resonators using as an output coupler a phase unifying (PU) mirror, a super-Gaussian mirror, and a hard-edge mirror. The quantitative impact of the output coupler design on the energy extraction efficiency, near-field profile, far-field energy distribution, and spatial coherence time evolution has been investigated. Laser beams of larger brightness have been obtained with the PU unstable cavity. A faster growth of the laser beam spatial coherence has been observed with the PU cavity by time-resolved, far-field measurements. {copyright} 1997 Optical Society of America

• OSTI ID: 655244
• Journal Information: Applied Optics, Journal Name: Applied Optics Journal Issue: 6 Vol. 36; ISSN APOPAI; ISSN 0003-6935
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
DESIGN
EFFICIENCY
EXCIMER LASERS
LASER CAVITIES
PERFORMANCE
PULSE TECHNIQUES