Fluorescence Imaging
—New!
Technical and application notes

This tech note describes what wavefront is, how to specify it and how it is measured it with interferometry and direct wavefront sensing methods. 

Thin-film Metrology
Technical and application notes
Omega Optical, Inc. is an innovator in the field of photonics, located in Brattleboro, Vermont. Founded in 1969 by Robert Johnson D.Sc.. Omega has been producing filters for fluoerescence since the 1970! We have the experience and the technology to deliver you a custom solution that is tuned to your application. We are ready to solve your optics problems!
Patents
US Patent # 6,918,673
Granted July 19, 2005
Inventors: Robert L. Johnson, Natalia Gorawski, Barry O'Dwyer

A hermetic filter assembly which improves filter life and environmental stability. The elimination of optical epoxies in this air-spaced filter results in reduced auto-fluorescence, improved parallelism and flatness, and improved heat tolerance. 3rd Millennium filters were originally based on this technology- currently RapidBand filters are made with a similar technique. 

Filter Design
Patents
US Patent # 9,155,474
Inventors: Gary E. Carver, Sheetal K. Chanda, William A. Morrison, Sarah A. Locknar, Robert L. Johnson, Jr.

This 2015 patent describes a fiber-based confocal scanning system that indexes spectral information into the time domain. It enables the detection of up to 15 spectral bins within 2.5 microseconds using a single PMT detector. The technology leverages Omega's thin-film optics expertise with a serial array of coated fiber tips in the detection path. Omega has perfected the art of fiber-tip coating to accomplish this work.

Coated Fiber Tips
Technical and application notes
To understand blocking, one has to understand the concept of optical density (OD). In an interference filter, OD is generated by reflecting unwanted light back instead of letting it go through the filter.
Filter Design
Technical and application notes

Learn what a bandpass filter is and the features that should be considered when designing a bandpass filter. Omega can design and manufacture a custom filter that will differentiate your product.

Thin-film Metrology