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News

  • Omega Optical, Inc. Expands IR Filter Capabilities, Capacity with Acquisition

    Brattleboro, Vermont (July 13, 2016) - Omega Optical is pleased to announce the recent acquisition of Rugate Technologies, Inc., a research and development company focused on the design, process development, and manufacturing of optical thin films. Formed in 1996, Rugate Technologies has expertise in the fabrication of narrow notch infrared filters, dual-band infrared coatings, and spectral control filters for high-efficiency thermophotovoltaic devices.

    New capabilities already developed through this collaboration include athermal NIR narrow bandpass filters for LIDAR and freespace optical communications, and ultra-narrowband (sub-nanometer) bandpass filters for UV through MIR wavelengths. Omega Optical has presented papers on these new developments at recent SPIE and OSA conferences.

    As part of the acquisition, Rugate Technologies co-founder Thomas D. Rahmlow, Jr. has joined Omega Optical in the role of Senior Scientist, bringing 30 years of experience in thin-film coating design and fabrication to Omega’s engineering team. Omega also added an E-Beam/Ion-Assist coating chamber specifically configured to MWIR and LWIR coatings.

    “By bringing Omega’s custom and production capabilities to the IR, we’re able to offer high volume quantities and pricing to the market,” said Rahmlow. “We are currently producing 3rd Gen far-infrared coatings and sputter-coated mid-IR bandpass filters in volume.”

    This combined knowledge and experience will enhance the focus on new technologies and expand Omega’s technical capabilities, according to President and Technical Director Robert L. Johnson, Jr. “Adding research and resources from Rugate Technologies to our high-volume production capabilities fulfills our long-term goal of offering more filters in the mid- and far-infrared.”

    About Omega Optical, Inc.

    Founded in 1969 by Robert Johnson D. Sc., Omega Optical manufactures custom thin-film interference filters and coatings from UV to Far Infrared, including coatings on fiber tips. Omega’s filters are used worldwide for biomedical, defense, aerospace, astronomy, industrial and commercial applications. Environmentally-friendly manufacturing facilities in Brattleboro, Vermont bring together craftsmanship, innovation, and state-of-the-art technology to produce the most diverse offering of optical coatings in the industry.

    Omega offers engineering and prototyping services to assist with research and instrument design. Coating technologies include plasma-assisted reactive magnetron sputtering and e-beam ion assist for high volume production. Omega Optical is ITAR Registered, ISO 9001:2008 Certified, and an SBA Registered Small Business. For more information, please visit www.omegafilters.com.

  • Omega Optical, Inc. Awarded ISO 9001:2008 Certification

    Brattleboro, Vermont - Omega Optical, Inc. is pleased to announce that its quality management system for manufacturing thin-film optical filters has been awarded ISO 9001:2008 certification by ISO registrar NQA.

    “We are proud to be one of the few SBA-registered small businesses manufacturing thin-film filters to achieve ISO 9001:2008 certification,” said Dr. Robert Johnson, Omega Optical’s President and Technical Director. “Paired with the broadest capabilities and finest contemporary coating systems in our field, our quality management system demonstrates our ability to provide customers with a consistently superior product."

    Omega Optical is committed to continual improvement of its quality management system, and using that system to meet customer requirements and regulatory obligations, according to Omega’s COO, Kieran Gallagher.

    “From biomedical to aerospace, the markets we serve require optical filter manufacturing that consistently meets increasingly exacting requirements,” said Gallagher. “While Omega has used a quality management system modeled on the ISO 9001 standards for many years, our recent certification assures customers that our processes have been rigorously audited by an ISO registrar known for its expertise across diverse technical industries.”

    About Omega Optical, Inc.

    Founded in 1969 by Robert Johnson D. Sc., Omega Optical manufactures custom thin-film interference filters and coatings from UV to Far Infrared, including coatings on fiber tips. Omega’s filters are used worldwide for biomedical, defense, aerospace, astronomy, industrial and commercial applications. Environmentally-friendly manufacturing facilities in Brattleboro, Vermont bring together craftsmanship, innovation, and state-of-the-art technology to produce the most diverse offering of optical coatings in the industry. Omega offers engineering and prototyping services to assist with research and instrument design. Coating technologies include plasma-assisted reactive magnetron sputtering and e-beam ion assist for high volume production. Omega Optical is ITAR Registered, ISO 9001:2008 Certified, and an SBA Registered Small Business. For more information, please visit www.omegafilters.com.

  • Omega Optical, Inc. Launches RapidBand Stock Program

    Brattleboro, Vermont - Omega Optical's newly-launched RapidBand stock program provides fast delivery for hundreds of bandpass filter combinations in a standard 25mm diameter ring that is only 3.5mm thick.

    RapidBand filters are constructed by combining longpass and shortpass edges produced at 10nm increments from 400nm to 700nm. These are assembled in a proprietary air-spaced ring designed to meet the size and quality requirements for many optical systems, and are ideal for applications from fluorescence microscopy to rapid prototyping. Longpass and shortpass edge filters can also be ordered as RapidEdge filters, and are mounted in the same 25mm ring.

    RapidBand filters are manufactured with durable plasma-assisted reactive magnetron sputtered coatings, and will have 90% typical transmission, OD5 average (OD4 minimum) blocking from UV-1100nm for silicon detectors, a minimum 20.9 mm clear aperture, and ¼ λ TWD @ 633nm. Theoretical spectral curves of the finished bandpass filters are available, calculated from measured edge filter spectra.

    Choose from over 400 possible RapidBand combinations and more than 55 longpass and shortpass RapidEdge filters, all shipped within three business days.

    Pricing is US $175.00 per filter for RapidBand, and US $100.00 per filter for RapidEdge. For full specifications and spectral data, see:
    RapidBand Filters
    RapidEdge Filters

    An exploded view of Omega Optical’s proprietary RapidBand filter assembly. Photo Courtesy Omega Optical, Inc. An exploded view of Omega Optical’s proprietary RapidBand filter assembly. Photo Courtesy Omega Optical, Inc.

    About Omega Optical, Inc.

    Founded in 1969 by Robert Johnson D. Sc., Omega Optical manufactures custom thin-film interference filters and coatings from UV to Far Infrared, including coatings on fiber tips. Omega’s filters are used worldwide for biomedical, defense, aerospace, astronomy, industrial and commercial applications. "Green" manufacturing facilities in Brattleboro, Vermont bring together craftsmanship, innovation, and state-of-the-art technology to produce the most diverse offering of optical coatings in the industry. Omega offers engineering and prototyping services to assist with research and instrument design. Coating technologies include plasma-assisted reactive magnetron sputtering and e-beam ion assist for high volume production. For more information, please visit www.omegafilters.com.

  • Advanced Spectroscopic Data

    In our continuing effort to improve the qualification of thin film solutions to meet optical industry tasks, Omega has extended its capabilities in representing spectral data.

    The performance of today's coatings in many cases exceeds the measurement capabilities of qualifying instruments. Spectrophotometer-based measurements using a reasonable spectral bandwidth (SBW) are limited by signal/noise to optical density (OD) levels of OD5 or OD6 at best. Although highly refined, these spectral analyzing devices cannot accurately represent both the precise wavelength and the intensity at that wavelength in a single measurement.

    In contrast, laser-based measurements may be used to verify filter performance to much higher OD, proving filter response matches theoretical models. Laser-based rocking curves demonstrate that OD does not collapse, even in the higher order modes. Furthermore, perturbation experiments show that transmission always fails before OD fails (see Measuring Sharp Spectral Edges to High Optical Density).

    To meet our customers' needs, Omega has developed dedicated measurement systems using specialized spectral analyzing equipment to overcome the limitations of current spectrophotometers. These systems intelligently combine spectral measurements with theoretical design predictions, thus increasing their capability. After carefully testing for validity, we are extending the dynamic range of our spectral representations to OD10, although performance beyond OD7 is subject to microscopic defects, such as voids, which are not quantified.

    As these new measurement systems combine spectral measurement with advanced data analysis, in addition to extended spectral measurements we are also able to provide statistical performance data. These detailed descriptions of part-to-part variability may help with your instrument design and operational analysis. Initially, we can offer statistics around one of several of the spectral specifications such as CWL, HBW, peak %T, or average %T over a range.

    We thank you for your business. We will continue our effort to provide a superior product.

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