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Proceedings Paper

UV-sensitive scientific CCD image sensors
Author(s): Grigory I. Vishnevsky; Vladimir G. Kossov; A. F. Iblyaminova; Leonid Yu. Lazovsky; Michail G. Vydrevitch
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Paper Abstract

An investigation of probe laser irradiation interaction with substances containing in an environment has long since become a recognized technique for contamination detection and identification. For this purpose, a near and midrange-IR laser irradiation is traditionally used. However, as many works presented on last ecology monitoring conferences show, in addition to traditional systems, rapidly growing are systems with laser irradiation from near-UV range (250 - 500 nm). Use of CCD imagers is one of the prerequisites for this allowing the development of a multi-channel computer-based spectral research system. To identify and analyze contaminating impurities on an environment, such methods as laser fluorescence analysis, UV absorption and differential spectroscopy, Raman scattering are commonly used. These methods are used to identify a large number of impurities (petrol, toluene, Xylene isomers, SO2, acetone, methanol), to detect and identify food pathogens in real time, to measure a concentration of NH3, SO2 and NO in combustion outbursts, to detect oil products in a water, to analyze contaminations in ground waters, to define ozone distribution in the atmosphere profile, to monitor various chemical processes including radioactive materials manufacturing, heterogeneous catalytic reactions, polymers production etc. Multi-element image sensor with enhanced UV sensitivity, low optical non-uniformity, low intrinsic noise and high dynamic range is a key element of all above systems. Thus, so called Virtual Phase (VP) CCDs possessing all these features, seems promising for ecology monitoring spectral measuring systems. Presently, a family of VP CCDs with different architecture and number of pixels is developed and being manufactured. All CCDs from this family are supported with a precise slow-scan digital image acquisition system that can be used in various image processing systems in astronomy, biology, medicine, ecology etc. An image is displayed directly on a PC monitor through a software support.

Paper Details

Date Published: 11 August 1997
PDF: 4 pages
Proc. SPIE 3200, Third Conference on Photonic Systems for Ecological Monitoring, (11 August 1997); doi: 10.1117/12.284745
Show Author Affiliations
Grigory I. Vishnevsky, Electron National Research Institute (Russia)
Vladimir G. Kossov, Electron National Research Institute (Russia)
A. F. Iblyaminova, Electron National Research Institute (Russia)
Leonid Yu. Lazovsky, Electron National Research Institute (Russia)
Michail G. Vydrevitch, Electron National Research Institute (Russia)

Published in SPIE Proceedings Vol. 3200:
Third Conference on Photonic Systems for Ecological Monitoring
Milos Klima; Yuri A. Kuznetsov; Victor A. Shilin, Editor(s)

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