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Rapidly Tunable, High Throughput Spectral Filter for Plasma Diagnostics--NOVA Photonics, Inc., One Oak Place, Princeton, NJ 08540-4701; 609-243-3463
Dr. Fred M. Levinton, Principal Investigator,
Dr. Fred M. Levinton, Business Official,
DOE Grant No. DE-FG02-04ER84024
Amount: $99,900
Improving
the sensitivity and time resolution of spectroscopic plasma diagnostics is
required to further understanding and progress in the development of fusion
energy as an economically attractive energy source.
Higher throughput spectroscopic diagnostics not only will benefit present
experiments, but also will be important for the next generation of fusion
devices, such as ITER. Although a
very high throughput birefringent filter has been developed, it cannot be
rapidly tuned. This project will
address this deficiency by designing and developing a high frequency, high
voltage generator to electro-optically vary the pass-band of the spectral
filter. Phase I will design and
evaluate prototype concepts for a high voltage power supply for rapid tuning of
the birefringent filter. The
prototype will be tested on an existing single stage filter.
This will form the basis on which to build and test a set of filters in
Phase II.
Commercial
Applications and Other Benefits as described by the awardee:
A high throughput, high resolution spectral filter should benefit not
only plasma diagnostic applications, but other fields where visible light
emission is used. This includes such
activities as environmental monitoring, where continuous emission monitors (CEM)
play an important role in monitoring and remediation of environmental
pollutants.