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May 13, 2008  

Semrock Launches BrightLine® Dichroic Beamsplitters Optimized for Laser Fluorescence Instruments

ROCHESTER, N.Y. – Semrock's new BrightLine Laser Dichroics are ideal for laser-based fluorescence microscopy, and complement Semrock's well-established line of reliable, hard-coated fluorescence filters and dichroic beamsplitters for wideband fluorescence microscopy. The new Laser Dichroics are optimized for the most popular lasers used for fluorescence imaging, including newer all-solid-state lasers that are rapidly replacing older gas-laser technology. These 45 degree beamsplitters offer excellent reflection at the laser wavelengths, regardless of polarization, combined with high transmission and very low ripple over extremely wide passbands – out to 900 and even 1200 nm. And the transition from reflection to transmission is exceptionally steep (< 2.5% of the longest laser wavelength) to enable maximum capture of even weak signals close to the laser line.

Semrock's new Laser Dichroics are designed for use in laser-scanning and spinning-disk confocal microscopes, as well as total-internal-reflection fluorescence (TIRF) microscopes. They are also ideal for any fluorescence microscope or imaging system that demands premium spectral performance and/or beamsplitter flatness, such as structured illumination systems for reduction of out-of-plane noise. And, the Laser Dichroics are a perfect match to Semrock's value-priced EdgeBasic™ line of long-wave-pass filters for Raman spectroscopy and fluorescence imaging.

Like all of Semrock's thin-film optical filters, the new Laser Dichroic filters are hard-coated using Semrock's ion-beam sputtering deposition process for permanent "no burn-out" optical durability and lasting reliability even in harsh environmental conditions, and they are backed by an industry-leading five year warranty.

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About Semrock:
Semrock manufactures quality optical filters that set the standard in performance and reliability for the biotech and analytical instrumentation markets. All Semrock optical filters are made with hard Ion Beam Sputtered optical coatings. OEM filters are manufactured in volume. End-users benefit from a wide selection of standard catalog products that ship from stock. Semrock's patented and patent-pending products include the highly acclaimed BrightLine® series of fluorescence filters for research and clinical microscopy, high-throughput screening, real-time PCR, and other fluorescence-based instrumentation; state-of-the-art filters for Raman spectroscopy; and other unique laser analytical instrumentation filters. Semrock's innovative products, made possible by combining modern ion-beam sputtering with Semrock's proprietary volume manufacturing technology, are covered under an industry-leading five-year warranty.

Founded in September 2000, Semrock is based in Rochester, New York, a well-known center of optics, and has sales offices throughout the United States. For additional information about Semrock, its products, and its team of international distributors, visit the company website at www.semrock.com.

BrightLine and Semrock are registered trademarks.

Amanda Valek-MacDonald
Semrock, Inc.