منابع مشابه
High Speed UV Laser Beam Scanning by Polygon Mirror
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A new method of moiré topography is suggested in which a slit beam is used in a scanning mode to generate moiré fringes. One remarkable feature of this method is that, as opposed to existing shadow and projection types, height differences between two consecutive fringes become constant so that absolute fringe orders need not be identified. This advantage makes it possible to measure three-dimen...
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We demonstrate the use of neareld scanning optical microscopy (NSOM) for the measurement of the beam properties of SQW-GRINSCH ridge laser diodes. Using NSOM, we measure the eld intensity in the transverse plane at neareld and as a function distance from the facet. The divergence of the laser beam and the beam waists in vertical and lateral dimensions are directly measured and the astigmatism o...
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ژورنال
عنوان ژورنال: Journal of Applied Physics
سال: 1975
ISSN: 0021-8979,1089-7550
DOI: 10.1063/1.321874