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Title: Incorporation of wavelength selective devices into waveguides with applications to a miniature spectrometer

Abstract

This report pertains to a Laboratory Directed Research and Development project which was funded for FY94 and FY95. The goal was to develop building blocks for small, cheap sensors that use optical spectroscopy as a means of detecting chemical analytes. Such sensors can have an impact on a wide variety of technologies, such as: industrial process control, environmental monitors, chemical analysis in medicine, and automotive monitors. We describe work in fabricating and demonstrating a waveguide/grating device that can serve as the wavelength dispersive component in a miniature spectrometer. Also, we describe the invention and modeling of a new way to construct an array of optical interference filters using sub-wavelength lithography to tune the index of refraction of a fixed Fabry-Perot cavity. Next we describe progress in more efficiently calculating the fields in grating devices. Finally we present the invention of a new type of near field optical probe, applicable to scanning microscopy or optical data storage, which is based on a circular grating constructed in a waveguide. This result diverges from the original goal of the project but is quite significant in that it promises to increase the data storage capacity of CD-ROMs by 10 times.

Authors:
; ; ; ; ; ; ;
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
10139803
Report Number(s):
SAND-96-0261
ON: TI96020394; BR: GB0103012
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: Feb 1996
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; OPTICAL SPECTROMETERS; RESEARCH PROGRAMS; WAVELENGTHS; MINIATURIZATION; WAVEGUIDES; GRATINGS; FABRICATION; DESIGN; 440600; OPTICAL INSTRUMENTATION

Citation Formats

Stallard, B. R., Kaushik, S., Hadley, G. R., Fritz, I. J., Howard, A. J., Vawter, G. A., Wendt, J. R., and Corless, R. Incorporation of wavelength selective devices into waveguides with applications to a miniature spectrometer. United States: N. p., 1996. Web. doi:10.2172/10139803.
Stallard, B. R., Kaushik, S., Hadley, G. R., Fritz, I. J., Howard, A. J., Vawter, G. A., Wendt, J. R., & Corless, R. Incorporation of wavelength selective devices into waveguides with applications to a miniature spectrometer. United States. doi:10.2172/10139803.
Stallard, B. R., Kaushik, S., Hadley, G. R., Fritz, I. J., Howard, A. J., Vawter, G. A., Wendt, J. R., and Corless, R. Thu . "Incorporation of wavelength selective devices into waveguides with applications to a miniature spectrometer". United States. doi:10.2172/10139803. https://www.osti.gov/servlets/purl/10139803.
@article{osti_10139803,
title = {Incorporation of wavelength selective devices into waveguides with applications to a miniature spectrometer},
author = {Stallard, B. R. and Kaushik, S. and Hadley, G. R. and Fritz, I. J. and Howard, A. J. and Vawter, G. A. and Wendt, J. R. and Corless, R},
abstractNote = {This report pertains to a Laboratory Directed Research and Development project which was funded for FY94 and FY95. The goal was to develop building blocks for small, cheap sensors that use optical spectroscopy as a means of detecting chemical analytes. Such sensors can have an impact on a wide variety of technologies, such as: industrial process control, environmental monitors, chemical analysis in medicine, and automotive monitors. We describe work in fabricating and demonstrating a waveguide/grating device that can serve as the wavelength dispersive component in a miniature spectrometer. Also, we describe the invention and modeling of a new way to construct an array of optical interference filters using sub-wavelength lithography to tune the index of refraction of a fixed Fabry-Perot cavity. Next we describe progress in more efficiently calculating the fields in grating devices. Finally we present the invention of a new type of near field optical probe, applicable to scanning microscopy or optical data storage, which is based on a circular grating constructed in a waveguide. This result diverges from the original goal of the project but is quite significant in that it promises to increase the data storage capacity of CD-ROMs by 10 times.},
doi = {10.2172/10139803},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {2}
}