Published April 1998
| public
Journal Article
A New Microsampling Visible-Infrared Spectrometer Based on Optical Parametric Oscillator Technology
Chicago
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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.
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.Additional details
- Eprint ID
- 34832
- Resolver ID
- CaltechAUTHORS:20121010-144934949
- NSF
- White Rose Foundation
- Created
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2012-10-11Created from EPrint's datestamp field
- Updated
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2019-10-03Created from EPrint's last_modified field
- Caltech groups
- Division of Geological and Planetary Sciences (GPS)