- Aquila Instruments Ltd
http://www.aquila-instruments.com
Aquila manufactures the nkd spectrophotometer for thin film analysis, including refractive index, absorption coefficient and coating thickness measurement. similar to ellipsometers. Spectroscopy for thin film characterisation.
- Centre Optics
http://www.optica-filters.com/
Produces a variety of optical components, including thin film interference filters, in a range of bands, particularly for analytical determination of gaseous substance concentrations. Based in Kiev, Ukraine.
- DeltaNu
http://www.deltanu.com/
Raman spectrometers for academic use. Includes historical tutorial, applications, instrument specification and contacts at their division of CC Technology, Inc, Laramie, Wyoming.
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