Wang, Zifu and Rossman, George R. and Blake, Geoffrey A. (1998) A New Microsampling Visible-Infrared Spectrometer Based on Optical Parametric Oscillator Technology. Spectroscopy, 13 (4). pp. 44-47. ISSN 0887-6703 http://resolver.caltech.edu/CaltechAUTHORS:20121010-144934949
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This article describes the development of a new spectrometer based on tunable optical parametric oscillators (OPOs). Pumped at 355 or 532 nm, the OPOs, based on type II phase matching in β-BaB_2O_4, cover the wavelength range from 410 to 3200 nm. To test the feasibility of characterizing extremely small samples, we conducted absorption spectral measurements in the near-IR wavelength range on several single crystal samples masked with pinholes of diameters 5-12.5 µm. We also discuss potential future improvements of microsampling OPO spectrometers.
|Additional Information:||© 1998 Aster Publishing Corporation. The authors thank Casix (Monrovia, CA) for providing the BBO crystals. Z.W. thanks S. Wu and H. Zhang for their assistance in the experiments. This study was supported by grants from the National Science Foundation and the White Rose Foundation.|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||11 Oct 2012 16:48|
|Last Modified:||11 Oct 2012 16:48|
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