Fiber bundles with integrated bandpass and notch filters for in-vivo Raman spectroscopy
Proc. SPIE 11233, Optical Fibers and Sensors for Medical DIagnostics and Treatment Applicaitons XX, 112230S (2020)
Hyperspectral imaging using a linear variable filter (LVF) based ultra-compact camera
Proc. SPIE 11287, Photonic Instrumentation Engineering VII;1128715 (2020)
Raman Filter Information
Omega offers several options for laser-line filtering and laser-wavelength blocking for Raman spectroscopy applications. Our hard coatings care prepared using plasma-assisted reactive magnetron sputtering for exceptional durability, low scatter, high blocking and high transmission at the desired wavelength.
Vision System Capability Information
Omega Optical, Inc. is an innovator in the field of photonics, located in Brattleboro, Vermont. Founded in 1969 by Robert Johnson D.Sc., Omega produces filters for Vision systems that can be applied to robotics, inspection stations or manufacturing process lines
Life Science Capability Information
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
General Capabilities Information
Omega Optical can manufacture filters from prototype to production. This flyer describes our primary applications, capabilities and how we can guide you to choosing the filter you need.
Optical filter
US Patent # 5,173,808 Granted April 10, 1989 Inventors: Willem F. Auer, John A. Brown, William A. Thornton
Optical filters for forming enhanced images
US Patent # 5,646,781 Granted July 8, 1997 Inventor: Robert L. Johnson, Jr.
Protective optical filter assembly
US Patent # 6,918,673 Granted July 19, 2005 Inventors: Robert L. Johnson, Natalia Gorawski, Barry O'Dwyer
System for multispectral imaging of fluorescence
US Patent # 9,155,474 Inventors: Gary E. Carver, Sheetal K. Chanda, William A. Morrison, Sarah A. Locknar, Robert L. Johnson, Jr.
Blocking in an Optical Filter
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.