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A New Microsampling Visible-Infrared Spectrometer Based on Optical Parametric Oscillator Technology

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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Abstract

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.


Item Type:Article
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.
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Record Number:CaltechAUTHORS:20121010-144934949
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20121010-144934949
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34832
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:11 Oct 2012 16:48
Last Modified:11 Oct 2012 16:48

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