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8 May 2001 Shape-free coupling-hole-type CO2 laser with arbitrary beam pattern: application feasibility to micromachinery
Satoshi Tanaka, Heihachi Sato
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Proceedings Volume 4416, Optical Engineering for Sensing and Nanotechnology (ICOSN 2001); (2001) https://doi.org/10.1117/12.427007
Event: Optical Engineering for Sensing and Nanotechnology (ICOSN '01), 2001, Yokohama, Japan
Abstract
A shape-free coupling hole type laser is proposed to extract and transmit various output patterns by using the coupling hole mirror having an arbitrarily shaped hole. This configuration is demonstrated by combining a slow axial flow CO2 laser with two types of coupling mirrors having two holes or a ring-shaped hole. Two different coupling hole mirrors are fabricated by evaporating gold film on the ZnSe substrate onto which the masks for the coupling hole are attached. The lasing output is successfully obtained along with the pattern transmission characteristics.
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Satoshi Tanaka and Heihachi Sato "Shape-free coupling-hole-type CO2 laser with arbitrary beam pattern: application feasibility to micromachinery", Proc. SPIE 4416, Optical Engineering for Sensing and Nanotechnology (ICOSN 2001), (8 May 2001); https://doi.org/10.1117/12.427007
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KEYWORDS
Beam shaping
Carbon dioxide lasers
Micromachinery
Mirrors
Carbon monoxide
Gas lasers
Gold
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