Micro-optics in VCSEL and solid state laser resonators

James R. Leger; G. Q. Chen; Barry J. Koch; Siamak Makki; Anand Gopinath

doi:10.1117/12.308098

13 May 1998 Micro-optics in VCSEL and solid state laser resonators

James R. Leger, G. Q. Chen, Barry J. Koch, Siamak Makki, Anand Gopinath

Proceedings Volume 3267, Laser Resonators; (1998) https://doi.org/10.1117/12.308098
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

Several unconventional laser resonators are described, and their application to various laser systems is explored. Spatial mode control of vertical cavity surface emitting lasers is enhanced by two spatial filtering methods. The first employs a GRIN lens with a patterned mirror designed to reflect power only from desired modes. The angular selectivity of a Fabry-Perot etalon is used in the second system to improve spatial modal discrimination. Diffractive optical elements are used with a solid-state laser for beam shaping and aberration correction. An analysis of the effects of fabrication errors shows that higher-order diffraction terms and phase errors can result in distorted modes. However, proper cavity design can help to reduce these effects and insure proper mode shape.

Citation Download Citation

James R. Leger, G. Q. Chen, Barry J. Koch, Siamak Makki, and Anand Gopinath "Micro-optics in VCSEL and solid state laser resonators", Proc. SPIE 3267, Laser Resonators, (13 May 1998); https://doi.org/10.1117/12.308098

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